The first 1 Series was built from 2004 to 2013 as a three-door, five-door, coupé and convertible. Engines included the N43, N45 and N46 fours, the N52 and N54 sixes and the M47 and N47 diesels.
In total, 11 model and engine combinations are listed for the BMW E81, E82, E87 and E88 1 Series in our data, using 6 engine families: N43, N54, M47, N42 and N46 and N47. Production covered 2007–2012, 2007–2013 and 2004–2011. We currently hold 141 engines that suit these cars.
Every BMW E81, E82, E87 and E88 1 Series engine at a glance
| Model | Engine code | Fuel | Power | Torque | Years |
|---|---|---|---|---|---|
| E81 116i | N43B16 | Petrol | 122 hp | 160 Nm | 2007–2011 |
| E81 120i | N43B20 | Petrol | 170 hp | 210 Nm | 2007–2011 |
| E82 135i | N54B30 | Petrol | 306 hp | 400 Nm | 2006–2016 |
| E87 120d | M47TUD20 | Diesel | 150 hp | 330 Nm | 2001–2007 |
| E87 116i | N45B16 | Petrol | 116 hp | 150 Nm | 2004–2011 |
| E87 118i | N46B20 | Petrol | 150 hp | 200 Nm | 2004–2012 |
| E87 316i | N46B18 | Petrol | 115 hp | 175 Nm | 2004–2007 |
| E87 120i | N45B20S | Petrol | 173 hp | 200 Nm | 2005–2007 |
| E87 116d | N47D20A | Diesel | 116 hp | 260 Nm | 2007–2015 |
| E87 116i | N43B16 | Petrol | 122 hp | 160 Nm | 2007–2011 |
| E87 116d | N47D16 | Diesel | 116 hp | 260 Nm | 2010–2015 |
BMW E81, E82, E87 and E88 1 Series: petrol engines
N43 in the BMW E81, E82, E87 and E88 1 Series
For the E81 116i, BMW fitted the N43B16 — 1.6 L, naturally aspirated, 122 hp. See every N43B16 in stock.
For the E81 120i, BMW fitted the N43B20 — 2.0 L, naturally aspirated, 170 hp. See every N43B20 in stock.
For the E87 116i, BMW fitted the N43B16 — 1.6 L, naturally aspirated, 122 hp. See every N43B16 in stock.
BMW launched the N43 in 2007 alongside the N53 six.
On the N43, our workshop watches for piezo injectors, ignition coils and spark plugs and nox sensor and catalyst. Use good-quality, low-sulphur petrol. Fit new coils and plugs to a used N43 before first start.
N54 in the BMW E81, E82, E87 and E88 1 Series
E82 135i: N54B30, 3.0 L, 306 hp and 400 Nm (2006–2016). See every N54B30 in stock.
BMW launched the N54 in 2006 with two small turbochargers, piezo direct injection, double VANOS and an aluminium block with a closed deck.
On the N54, our workshop watches for high-pressure fuel pump, wastegate rattle and piezo injectors. Fit new plugs, check injectors and confirm the HPFP revision before installing.
We have 62 N54 engines that suit the BMW E81, E82, E87 and E88 1 Series, from 1.688,00 €.
N42 and N46 in the BMW E81, E82, E87 and E88 1 Series
The E87 116i uses the N45B16, a 1.6 L inline-4 rated at 116 hp and 150 Nm, built 2004–2011.
The E87 120i uses the N45B20S, a 2.0 L inline-4 rated at 173 hp and 200 Nm, built 2005–2007.
BMW introduced the N42 in 2001 with Valvetronic, double VANOS and balance shafts.
On the N42 and N46, our workshop watches for oil consumption, timing chain stretch and valvetronic motor and eccentric shaft sensor. Replace the timing chain, tensioner and valve stem seals when fitting a high-mileage used N46.
Read our full N42 and N46 guide
N42 and N46 in the BMW E81, E82, E87 and E88 1 Series
For the E87 118i, BMW fitted the N46B20 — 2.0 L, naturally aspirated, 150 hp. See every N46B20 in stock.
E87 316i: N46B18, 1.8 L, 115 hp and 175 Nm (2004–2007).
BMW introduced the N42 in 2001 with Valvetronic, double VANOS and balance shafts.
On the N42 and N46, our workshop watches for oil consumption, timing chain stretch and valvetronic motor and eccentric shaft sensor. Replace the timing chain, tensioner and valve stem seals when fitting a high-mileage used N46.
Read our full N42 and N46 guide
BMW E81, E82, E87 and E88 1 Series: diesel engines
M47 in the BMW E81, E82, E87 and E88 1 Series
E87 120d: M47TUD20, 2.0 L, 150 hp and 330 Nm (2001–2007).
BMW launched the M47 in 1998 with a distributor injection pump.
On the M47, our workshop watches for swirl flaps, egr valve and cooler and injectors. Fit swirl flap blanks and clean the intake when installing a used M47.
We have 49 M47 engines that suit the BMW E81, E82, E87 and E88 1 Series, from 1.073,00 €.
N47 in the BMW E81, E82, E87 and E88 1 Series
E87 116d: N47D20A, 2.0 L, 116 hp and 260 Nm (2007–2015). See every N47D20A in stock.
For the E87 116d, BMW fitted the N47D16 — 1.6 L, turbocharged, 116 hp.
BMW launched the N47 in 2007 with an aluminium block, common-rail injection and a rear-mounted timing chain.
On the N47, our workshop watches for timing chain, swirl flaps and egr cooler. Replace the timing chain and guides when fitting a used N47 unless they were recently done.
We have 25 N47 engines that suit the BMW E81, E82, E87 and E88 1 Series, from 857,00 €.
Will it fit? BMW E81, E82, E87 and E88 1 Series engine questions
Will the N43B16 fit my BMW E81 116i?
Yes, the BMW E81 116i left the factory with the N43B16, so an N43B16 from another car is the direct replacement. The first 1 Series three-door was built 2007–2012, and the N43B16 was produced 2007–2011, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E81 116i?
We do not have an N43B16 on the shelf for the E81 116i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the M47TUD20 fit my BMW E87 120d?
The M47TUD20 is the original engine for the BMW E87 120d, which makes it the straightforward choice. The first 1 Series five-door was built 2004–2011, and the M47TUD20 was produced 2001–2007, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 120d?
We do not have an M47TUD20 on the shelf for the E87 120d at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N45B16 fit my BMW E87 116i?
The N45B16 is the original engine for the BMW E87 116i, which makes it the straightforward choice. The first 1 Series five-door was built 2004–2011, and the N45B16 was produced 2004–2011, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 116i?
We do not have an N45B16 on the shelf for the E87 116i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N46B20 fit my BMW E87 118i?
Yes, the BMW E87 118i left the factory with the N46B20, so an N46B20 from another car is the direct replacement. The first 1 Series five-door was built 2004–2011, and the N46B20 was produced 2004–2012, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 118i?
We do not have an N46B20 on the shelf for the E87 118i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N46B18 fit my BMW E87 316i?
For the BMW E87 316i, the N46B18 is the factory engine and the one to order. The first 1 Series five-door was built 2004–2011, and the N46B18 was produced 2004–2007, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 316i?
We do not have an N46B18 on the shelf for the E87 316i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N45B20S fit my BMW E87 120i?
The N45B20S is the original engine for the BMW E87 120i, which makes it the straightforward choice. The first 1 Series five-door was built 2004–2011, and the N45B20S was produced 2005–2007, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 120i?
We do not have an N45B20S on the shelf for the E87 120i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N47D20A fit my BMW E87 116d?
The N47D20A is the original engine for the BMW E87 116d, which makes it the straightforward choice. The first 1 Series five-door was built 2004–2011, and the N47D20A was produced 2007–2015, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 116d?
We have 5 N47D20A engines from E87 donor cars, priced from 857,00 € to 2.614,00 €. Delivery to your door is included, and the engine carries a 12-month warranty when fitted by a qualified workshop. Add fitting labour and the parts you replace at the same time — seals, cooling parts and mounts — to estimate the total.
Will the N43B16 fit my BMW E87 116i?
Yes, the BMW E87 116i left the factory with the N43B16, so an N43B16 from another car is the direct replacement. The first 1 Series five-door was built 2004–2011, and the N43B16 was produced 2007–2011, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 116i?
We do not have an N43B16 on the shelf for the E87 116i at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Will the N47D16 fit my BMW E87 116d?
Yes, the BMW E87 116d left the factory with the N47D16, so an N47D16 from another car is the direct replacement. The first 1 Series five-door was built 2004–2011, and the N47D16 was produced 2010–2015, so check that your car's build date falls inside that window. Confirm the drive type (rear-drive or xDrive), the gearbox (manual or automatic) and the emissions standard, because these can change the sump, the flywheel and the software. Send us the VIN and we check all of it for you.
How much is a replacement engine for a BMW E87 116d?
We do not have an N47D16 on the shelf for the E87 116d at the moment. Units arrive regularly; send us your VIN and we will tell you when the next one is ready and what it will cost, including delivery.
Engine swap questions for the BMW E81, E82, E87 and E88 1 Series
Owners often ask whether a more powerful engine from another BMW E81, E82, E87 and E88 1 Series model can be fitted. These answers show what each upgrade involves.
Can I fit the N46B20 from the E87 118i into an E81 116i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N46B20 needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 28 hp and 40 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E81 116i?
It is a conversion rather than a replacement. The N54B30 is an inline-6 and the N43B16 an inline-4, so mounts, sump, cooling, exhaust, wiring and ECU all change. The gain is 184 hp and 240 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E81 120i?
It is a conversion rather than a replacement. The N54B30 is an inline-6 and the N43B20 an inline-4, so mounts, sump, cooling, exhaust, wiring and ECU all change. The gain is 136 hp and 190 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N45B20S from the E87 120i into an E81 120i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N45B20S needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 3 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N43B20 from the E81 120i into an E87 120d?
It is a full conversion: the N43B20 runs on petrol and the M47TUD20 on diesel, so the fuel system, wiring, ECU, instrument coding and usually the gearbox change too. The gain is 20 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N45B20S from the E87 120i into an E87 120d?
It is a full conversion: the N45B20S runs on petrol and the M47TUD20 on diesel, so the fuel system, wiring, ECU, instrument coding and usually the gearbox change too. The gain is 23 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N46B20 from the E87 118i into an E87 116i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N46B20 needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 28 hp and 40 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E87 116i?
It is a conversion rather than a replacement. The N54B30 is an inline-6 and the N43B16 an inline-4, so mounts, sump, cooling, exhaust, wiring and ECU all change. The gain is 184 hp and 240 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E87 118i?
It is a conversion rather than a replacement. The N54B30 is an inline-6 and the N46B20 an inline-4, so mounts, sump, cooling, exhaust, wiring and ECU all change. The gain is 156 hp and 200 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N43B20 from the E81 120i into an E87 118i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N43B20 needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 20 hp and 10 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N43B16 from the E81 116i into an E87 316i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N43B16 needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 7 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N43B16 from the E87 116i into an E87 316i?
It is possible, and it is one of the more common upgrades. Both engines are petrol inline-4 units, so the engine bay and mounting points are similar, but the N43B16 needs its own wiring harness and ECU, the matching gearbox or clutch, and often a different sump, cooling and exhaust. The gain is 7 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E87 120i?
It is a conversion rather than a replacement. The N54B30 is an inline-6 and the N45B20S an inline-4, so mounts, sump, cooling, exhaust, wiring and ECU all change. The gain is 133 hp and 200 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N54B30 from the E82 135i into an E87 116d?
It is a full conversion: the N54B30 runs on petrol and the N47D16 on diesel, so the fuel system, wiring, ECU, instrument coding and usually the gearbox change too. The gain is 190 hp and 140 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Can I fit the N43B20 from the E81 120i into an E87 116d?
It is a full conversion: the N43B20 runs on petrol and the N47D16 on diesel, so the fuel system, wiring, ECU, instrument coding and usually the gearbox change too. The gain is 54 hp and 0 Nm. In Germany and most of Europe a swap must be inspected and registered; check with your testing station first.
Fitment and swap notes for the BMW E81, E82, E87 and E88 1 Series
- The 135i uses the N54, later the N55.
- The 1M uses the N54B30T0.
Engines from the same family usually share mounts and gearbox bolt patterns, but wiring, ECU, sump and cooling differ between versions. Moving to a different family is a conversion, not a replacement.
N43: Gains are small. The N43 is for economy and originality.
N54: The N54 responds strongly to remaps and bigger turbos. Well-built examples exceed 500 hp with upgraded fuelling.
M47: Remaps add around 30 hp.
N42 and N46: Tuning potential is limited. Most owners looking for more power choose a six-cylinder swap.
N42 and N46: Tuning potential is limited. Most owners looking for more power choose a six-cylinder swap.
N47: Remaps add around 30 hp; check the chain first.
Known problems by engine in the BMW E81, E82, E87 and E88 1 Series
N43
- Piezo injectors. Check misfire counters and injector correction values.
- Ignition coils and spark plugs. Read the misfire history and inspect the plugs.
- NOx sensor and catalyst. Check for NOx sensor fault codes.
- Timing chain. Listen at cold start.
- Vacuum pump and oil leaks. Look at the back of the head.
N54
- High-pressure fuel pump. Check the part number and for fuel pressure codes.
- Wastegate rattle. Listen when lifting off throttle and check for oil smoke.
- Piezo injectors. Check the injector index revisions.
- Electric water pump. Ask when it was replaced.
- Charge pipe and oil leaks. Look for oil and listen for boost leaks.
- Carbon build-up. Borescope inspection.
M47
- Swirl flaps. Check whether the flaps have been removed or replaced with blanks.
- EGR valve and cooler. Check for EGR fault codes and coolant loss.
- Injectors. Read injector correction values.
- Turbocharger. Check shaft play.
- Glow plugs. Check the glow plug system.
N42 and N46
- Oil consumption. Ask for consumption figures and check the spark plugs for oil fouling.
- Timing chain stretch. Listen for a rattle on a cold start and check the camshaft timing values.
- Valvetronic motor and eccentric shaft sensor. Check for Valvetronic fault codes.
- Vacuum pump and oil leaks. Look at the back of the head.
- Crankcase ventilation. Check for a whistle at idle.
N42 and N46
- Oil consumption. Ask for consumption figures and check the spark plugs for oil fouling.
- Timing chain stretch. Listen for a rattle on a cold start and check the camshaft timing values.
- Valvetronic motor and eccentric shaft sensor. Check for Valvetronic fault codes.
- Vacuum pump and oil leaks. Look at the back of the head.
- Crankcase ventilation. Check for a whistle at idle.
N47
- Timing chain. Listen for a rattle at the gearbox end on a cold start and ask whether the chain has been replaced.
- Swirl flaps. Check the intake for damage.
- EGR cooler. Check the recall status and for coolant loss.
- Diesel particulate filter. Read the soot load and DPF fault codes.
- Injectors. Read injector correction values.
How to identify the right engine for your BMW E81, E82, E87 and E88 1 Series
Start with the VIN. The last seven characters identify your car in BMW's systems, and from them we can confirm the engine code, the production date, the gearbox and whether the car has xDrive. That is the only reliable way to order.
Next, check the stamp on the block. On most BMW four- and six-cylinder engines it sits on the left side of the block below the intake; on V engines it is usually at the back near the gearbox. The stamp shows the engine code and serial number.
Finally, compare the ancillaries. Two engines with the same code can carry different turbos, injectors, manifolds or sensors depending on the model and market. Our listings show what is fitted to each unit.
BMW E81, E82, E87 and E88 1 Series engine prices
Across 141 BMW E81, E82, E87 and E88 1 Series engine units in our stock today, prices start at 857,00 € and reach 5.821,00 €. The median — the price in the middle of the range — is 2.614,00 €.
Prices depend on the exact version, the donor's mileage, how complete the engine is and the demand for that code. Higher-output versions, low mileage and dressed engines with turbo, injectors and ancillaries cost more; long blocks and higher mileage cost less.
BMW E81, E82, E87 and E88 1 Series engine prices by model year
| Model years | Units | From | Median | To |
|---|---|---|---|---|
| 2000–2004 | 24 | 1.138,00 € | 1.517,00 € | 2.449,00 € |
| 2005–2009 | 90 | 857,00 € | 3.015,00 € | 5.630,00 € |
| 2010–2014 | 23 | 1.523,00 € | 3.799,00 € | 5.821,00 € |
Engines from 2000–2004 have a median of 1.517,00 €, while units from 2010–2014 sit at 3.799,00 €. Newer engines usually cost more because they come from younger donor cars with lower mileage and later updates.
BMW E81, E82, E87 and E88 1 Series engine prices by mileage
| Donor mileage | Units | From | Median |
|---|---|---|---|
| under 50,000 km | 15 | 1.178,00 € | 3.190,00 € |
| 50,000 to 100,000 km | 19 | 1.166,00 € | 2.914,00 € |
| 100,000 to 150,000 km | 32 | 1.073,00 € | 3.015,00 € |
| over 150,000 km | 46 | 1.302,00 € | 2.283,00 € |
Mileage matters less than history on a well-maintained BMW engine, but it is a useful guide. A low-mileage unit from a younger car gives you more life for a modest premium.
| Engine family | Units in stock | From | Median |
|---|---|---|---|
| N54 | 62 | 1.688,00 € | 3.818,00 € |
| M47 | 49 | 1.073,00 € | 1.517,00 € |
| N47 | 25 | 857,00 € | 2.287,00 € |
BMW E81, E82, E87 and E88 1 Series engines in stock now
These BMW E81, E82, E87 and E88 1 Series engine units are in our Hamburg yard right now. Each listing shows real photographs of the engine you receive, its mileage and what is fitted.
BMW E87 120d M47D20TU2 Engine 2003, 120,300 km1.270,00 €BMW E82 135i N54B30 Engine 2010, 154,200 km3.973,00 €
BMW E82 135i N54B30 Engine 2008, 181,100 km4.054,00 €
BMW E87 120d M47D20TU2 Engine 2004, 152,800 km1.603,00 €
BMW E87 120d M47D20TU2 Engine 2004, 125,800 km1.331,00 €
BMW E82 135i N54B30 Engine 2010, 21,800 km3.595,00 €
BMW E87 120d M47D20TU2 Engine 2007, 50,700 km1.467,00 €
BMW E82 135i N54B30 Engine 2007, 196,000 km3.306,00 €
BMW E82 135i N54B30 Engine 2007, 50,600 km3.507,00 €
BMW E87 120d M47D20TU2 Engine 2002, 192,000 km1.696,00 €
BMW E87 120d M47D20TU2 Engine 2004, 97,100 km1.166,00 €
BMW E82 135i N54B30 Engine 2008, 75,100 km4.123,00 €BMW E87 120d M47D20TU2 Engine 2003, 120,300 km — 1.270,00 €, reduced from 1.850,00 €. It comes from a 2003 donor car with 120,300 km, and 13 units are available. The listing shows every side of the engine and the fitted parts.
BMW E82 135i N54B30 Engine 2010, 154,200 km — 3.973,00 €, reduced from 4.850,00 €. It comes from a 2010 donor car with 154,200 km, and 16 units are available. The listing shows every side of the engine and the fitted parts.
BMW E82 135i N54B30 Engine 2008, 181,100 km — 4.054,00 €, reduced from 5.500,00 €. It comes from a 2008 donor car with 181,100 km, and 11 units are available. We can confirm fitment against your VIN the same day.
BMW E87 120d M47D20TU2 Engine 2004, 152,800 km — 1.603,00 €, reduced from 2.350,00 €. It comes from a 2004 donor car with 152,800 km, and 18 units are available. The listing shows every side of the engine and the fitted parts.
BMW E87 120d M47D20TU2 Engine 2004, 125,800 km — 1.331,00 €, reduced from 2.400,00 €. It comes from a 2004 donor car with 125,800 km, and 29 units are available. We can confirm fitment against your VIN the same day.
BMW E82 135i N54B30 Engine 2010, 21,800 km — 3.595,00 €, reduced from 4.500,00 €. It comes from a 2010 donor car with 21,800 km, and 20 units are available. Ask the desk for compression figures or extra photographs before you order.
BMW E87 120d M47D20TU2 Engine 2007, 50,700 km — 1.467,00 €, reduced from 2.300,00 €. It comes from a 2007 donor car with 50,700 km, and 28 units are available. The listing shows every side of the engine and the fitted parts.
BMW E82 135i N54B30 Engine 2007, 196,000 km — 3.306,00 €, reduced from 4.550,00 €. It comes from a 2007 donor car with 196,000 km, and 17 units are available. Ask the desk for compression figures or extra photographs before you order.
BMW E82 135i N54B30 Engine 2007, 50,600 km — 3.507,00 €, reduced from 4.250,00 €. It comes from a 2007 donor car with 50,600 km, and 27 units are available. Ask the desk for compression figures or extra photographs before you order.
BMW E87 120d M47D20TU2 Engine 2002, 192,000 km — 1.696,00 €, reduced from 2.950,00 €. It comes from a 2002 donor car with 192,000 km, and 8 units are available. Ask the desk for compression figures or extra photographs before you order.
BMW E87 120d M47D20TU2 Engine 2004, 97,100 km — 1.166,00 €, reduced from 2.250,00 €. It comes from a 2004 donor car with 97,100 km, and 26 units are available. The listing shows every side of the engine and the fitted parts.
BMW E82 135i N54B30 Engine 2008, 75,100 km — 4.123,00 €, reduced from 5.450,00 €. It comes from a 2008 donor car with 75,100 km, and 15 units are available. We can confirm fitment against your VIN the same day.
Buying checklist for a BMW E81, E82, E87 and E88 1 Series engine
- Confirm the exact engine code. Read the code stamped on the block and compare it with the code for your car. Send us the last seven characters of the VIN and we confirm the match before anything is paid.
- Ask how the donor car was damaged. Most good used engines come from cars with body damage. A front-end impact can crack sensors, the timing cover or the sump; a rear or side impact usually leaves the engine untouched. The yard records the damage on each unit.
- Compression or leak-down figures. Even compression across all cylinders tells you more than mileage. Ask for the figures, not just a pass or fail, and compare the highest and lowest readings: a spread above 10 to 15 percent deserves a question.
- Look at the oil and coolant. Clean oil without metal particles and coolant without oil are good signs. Milky oil, oily coolant or a burnt smell mean the engine needs further checks before it is fitted.
- Photographs from every side. Good suppliers photograph the actual engine you will receive. Look for the block stamp, the sump, the timing cover and any broken brackets or connectors in the pictures.
- List of what is fitted. Engines are sold with different ancillaries: some have the turbo, injectors, manifolds, alternator and starter, others are long blocks. Agree the list in writing so you know which parts must come from your old engine.
- Sump, oil pickup and drive variants. Rear-drive, xDrive and front-drive cars can use different sumps, oil pickups and engine mounts even with the same engine code. Check that the sump matches your subframe and front axle.
- Gearbox and flywheel match. Manual and automatic engines differ at the flywheel or flexplate, and sometimes at the crankshaft spigot. Make sure the engine you buy matches your gearbox or that you transfer the right parts.
- Warranty terms in writing. Read what the warranty covers, how long it runs and what fitting conditions apply. Most warranties require a qualified workshop, new fluids and filters, and replacement of the cooling parts that caused the original failure.
- Why your old engine failed. Before fitting a replacement, find out why the original failed. An overheating radiator, a blocked intercooler or a failed turbo can destroy a second engine if they are not fixed.
- Turbocharger shaft play and oil. Rotate the compressor wheel by hand. A small amount of side play is normal; in-and-out play or wheel contact with the housing is not. Oil pooled in the intake or intercooler pipes points to worn seals.
- Injector correction values. On a diesel that can be run before removal, the injector correction values show whether one injector is delivering more or less fuel than the others. Large deviations mean an injector is on its way out.
- Particulate filter and EGR history. Short-trip diesels clog their DPF and EGR systems. The engine may be fine, but ask whether the donor car had DPF warnings, and plan to clean or check your own filter before fitting.
- Swirl flaps. Check whether the swirl flaps are in place, blanked or removed. Broken swirl flaps are a known cause of engine failure on several BMW diesels, so many owners fit blanking plates when the intake is off.
- Timing chain noise. Listen for a rattle at the front of the engine for the first seconds after a cold start. On an engine that cannot be run, look at the chain guides through the oil filler or with the valve cover off.
- Gearbox-end timing chain. On this engine the timing chain sits at the gearbox end, so replacing it normally means removing the engine. If the chain has not been replaced, the time to do it is before the engine goes into your car.
- VANOS operation. Rough idle, a rattle from the front of the head and a loss of torque at low revs point to VANOS seals or solenoids. These are serviceable parts and are easier to renew with the engine out.
- Double VANOS units and solenoids. Ask for the adaptation values or fault history if the engine was running. Solenoids are inexpensive and are often replaced as a matter of course on a used engine.
- Valvetronic motor and eccentric shaft sensor. The Valvetronic motor and its sensor cause limp-mode faults when they fail. Inspect the connector and the seal around the motor for oil.
- Injectors and high-pressure fuel pump. Direct-injection engines rely on high-pressure pumps and precise injectors. Ask whether the injectors are original or updated and whether there were fuel pressure faults.
- Electric water pump. This engine uses an electric water pump. It fails without warning and needs a diagnostic bleeding routine when it is replaced or the system is refilled.
Fitting an engine to your BMW E81, E82, E87 and E88 1 Series
- Compare the engines side by side. Put the replacement next to the old engine and compare sensors, brackets, connectors, the sump, the starter and the flywheel or flexplate. Note anything that must be transferred.
- Transfer the parts that differ. Move the parts that are specific to your car, such as the engine harness on some models, the sump on xDrive cars or the air conditioning compressor bracket. Use new seals and gaskets for everything you move.
- Replace the rear main seal and drive parts. With the engine out, the rear crankshaft seal is easy to reach. Fit a new one, inspect the flywheel and clutch on manual cars or the converter seal on automatics.
- Renew the cooling system. Most engine failures start with cooling. Fit a new water pump, thermostat and hoses, check the radiator and fan, and use the correct coolant.
- Fit new engine mounts. Old mounts transfer vibration and can let the engine move enough to damage hoses. They are cheap and easy to replace with the engine out.
- Inspect or replace the timing chain parts. Look at the guides and tensioner. On high-mileage engines, replacing them now costs far less than doing it later.
- Replace the rear timing chain if in doubt. On engines with the chain at the gearbox end, chain work needs the engine out. If the history is unknown, replace the chain, guides and tensioner before fitting.
- Prepare the turbo. Fit new oil feed and return seals, clean the intercooler and pipes of any oil or debris from the old engine, and prime the turbo with oil before starting.
- Code the injectors and bleed the fuel. Enter the injector correction codes into the ECU, check the glow plugs and bleed the fuel system so the engine does not crank dry.
- Check the particulate filter. If the old engine failed with oil or coolant entering the exhaust, the DPF may be contaminated. Check its back-pressure before relying on it.
- Clean the intake. If the old engine failed internally, debris can be in the intake or intercooler. Clean them so nothing reaches the new engine.
- Fill with the right oil and prime it. Fill with new oil of the correct specification and a new filter. Crank with the fuel and ignition disabled until oil pressure builds.
- Coding and adaptations. On modern BMWs, the engine ECU must be matched to the car's immobiliser (CAS, FEM or BDC). Reset adaptations, register the battery and clear faults with diagnostic software.
- Reset VANOS adaptations. Clear the VANOS adaptations so the ECU learns the camshaft positions of the new engine.
- Teach the Valvetronic limit stops. Run the Valvetronic learning routine so the ECU knows the eccentric shaft limits.
- First start and leak check. Start the engine, let it idle and watch oil pressure, temperature and fault codes. Check for leaks and bleed the cooling system.
- First 1,000 km. Drive gently for the first few hundred kilometres, vary the engine speed and avoid full load. Change the oil and filter after about 1,000 km to remove any assembly debris.
Diagnosing engine trouble in a BMW E81, E82, E87 and E88 1 Series
If your current engine is showing one of these symptoms, this table helps you judge whether it can be repaired or whether a replacement engine is the better route.
| Symptom | Likely cause |
|---|---|
| Knocking from the bottom of the engine | A deep knock that rises with engine speed usually means worn rod or main bearings. |
| Overheating or losing coolant | Coolant loss without visible leaks points to a head gasket or a cracked head; visible leaks point to the water pump, hoses, thermostat housing or expansion tank. |
| White smoke that smells sweet | Coolant burning in the cylinders, from a head gasket, a cracked head or, on diesels, a leaking EGR cooler. |
| Blue smoke | Oil burning in the cylinders. |
| Rough idle or misfire | Ignition coils, spark plugs, injectors and vacuum leaks are the usual causes. |
| Loss of power | Start with the simple things: air filter, boost leaks on turbo engines, fuel pressure and fault codes. |
| Rattle for a few seconds after a cold start | The classic sign of a weak timing chain tensioner or stretched chain. |
| Rattle or whine from the gearbox end | On engines with the timing chain at the rear, a rattle or whine from the back of the engine is the warning sign of chain stretch or guide wear. |
| Whistle, loss of boost or limp mode | A split charge pipe, a sticking wastegate or worn turbo bearings. |
| Black smoke under acceleration | Too much fuel for the air available: boost leaks, a sticking EGR valve, a dirty air mass meter or a leaking injector. |
| Hard starting when cold | Glow plugs or the glow plug control unit. |
| Particulate filter warning | Short trips stop the DPF from regenerating. |
| Sudden metallic noise followed by misfire | On diesels with swirl flaps, a broken flap or screw can enter a cylinder. |
| Poor low-down torque and uneven idle | VANOS seals or solenoids. |
| Limp mode with a Valvetronic fault | The Valvetronic motor, its eccentric shaft sensor or the wiring. |
| Long cranking before the engine starts | On direct-injection engines, a weak high-pressure fuel pump or leaking injector lets pressure drop when the engine is off. |
Knocking from the bottom of the engine. A deep knock that rises with engine speed usually means worn rod or main bearings. Stop driving: bearing failure ends with a broken connecting rod. A used engine is normally the most economical fix once the bottom end is damaged.
Overheating or losing coolant. Coolant loss without visible leaks points to a head gasket or a cracked head; visible leaks point to the water pump, hoses, thermostat housing or expansion tank. Overheating should be fixed before it warps the head.
White smoke that smells sweet. Coolant burning in the cylinders, from a head gasket, a cracked head or, on diesels, a leaking EGR cooler. Check the coolant level and look for oil in the coolant.
Blue smoke. Oil burning in the cylinders. A puff on start-up points to valve stem seals; constant smoke under load points to piston rings or, on turbo engines, turbo seals.
Rough idle or misfire. Ignition coils, spark plugs, injectors and vacuum leaks are the usual causes. A misfire on one cylinder that moves when you swap coils is a coil; one that stays is a plug, injector or compression problem.
Loss of power. Start with the simple things: air filter, boost leaks on turbo engines, fuel pressure and fault codes. A gradual loss with poor compression on a test points to internal wear.
Rattle for a few seconds after a cold start. The classic sign of a weak timing chain tensioner or stretched chain. It must be checked quickly: a chain that jumps a tooth can bend valves.
Rattle or whine from the gearbox end. On engines with the timing chain at the rear, a rattle or whine from the back of the engine is the warning sign of chain stretch or guide wear.
Whistle, loss of boost or limp mode. A split charge pipe, a sticking wastegate or worn turbo bearings. Check the pipes first, then the turbo shaft for play.
Black smoke under acceleration. Too much fuel for the air available: boost leaks, a sticking EGR valve, a dirty air mass meter or a leaking injector.
Hard starting when cold. Glow plugs or the glow plug control unit. On older diesels, also check the injection pump and fuel lines for air leaks.
Particulate filter warning. Short trips stop the DPF from regenerating. A long motorway run often clears it; a filter that keeps blocking may be covering an injector, EGR or turbo problem.
Sudden metallic noise followed by misfire. On diesels with swirl flaps, a broken flap or screw can enter a cylinder. Stop the engine immediately; continued running usually destroys the piston and head.
Poor low-down torque and uneven idle. VANOS seals or solenoids. The engine may run well at high revs but feel flat and lumpy at low speed.
Limp mode with a Valvetronic fault. The Valvetronic motor, its eccentric shaft sensor or the wiring. The engine runs on a reduced throttle until it is repaired.
Long cranking before the engine starts. On direct-injection engines, a weak high-pressure fuel pump or leaking injector lets pressure drop when the engine is off.
Repair or replace the engine in your BMW E81, E82, E87 and E88 1 Series?
As a rule, bolt-on faults are worth repairing and internal damage is not. Seals, sensors, coils, injectors, pumps and turbos can be replaced in the car. Once the bearings, crankshaft, bores or head of an engine are damaged, a used engine is usually cheaper and quicker than a rebuild.
Timing chain work on the engine needs the engine removed. When the chain has failed and damaged valves or pistons, a replacement engine with a sound chain is often the same price as the repair.
Ask your workshop for a written diagnosis before deciding. A compression test, an oil analysis and a borescope inspection take an hour or two and remove most of the guesswork.
Delivery, warranty and payment
Every BMW E81, E82, E87 and E88 1 Series engine we sell is drained, sealed at each opening, strapped to a heat-treated pallet and shrink-wrapped before it leaves Hamburg. You receive photographs of the packed engine and a tracking number.
Delivery is door to door and included in the price. Most European addresses receive the engine within five to ten working days; Germany and its neighbours are usually faster.
Every engine carries a 12-month warranty on eligible internal failure when a qualified workshop fits it with new fluids and filters. Payment is by card, bank transfer or crypto; your invoice is emailed as soon as you order.
We deliver BMW E81, E82, E87 and E88 1 Series engines from Hamburg to customers across Europe and beyond. Typical door-to-door times and customs status:
| Country | Typical delivery | Customs and VAT |
|---|---|---|
| Germany | 2–4 working days | No customs; German VAT on the invoice |
| Netherlands | 3–5 working days | EU delivery, no customs |
| Belgium | 3–5 working days | EU delivery, no customs |
| Austria | 3–5 working days | EU delivery, no customs |
| Denmark | 3–5 working days | EU delivery, no customs |
| Poland | 3–6 working days | EU delivery, no customs |
| Czech Republic | 3–6 working days | EU delivery, no customs |
| France | 4–7 working days | EU delivery, no customs |
| Italy | 5–8 working days | EU delivery, no customs |
| Spain | 5–8 working days | EU delivery, no customs |
| Portugal | 6–9 working days | EU delivery, no customs |
| Sweden | 5–8 working days | EU delivery, no customs |
| Norway | 6–10 working days | Export; import VAT and duty in Norway |
| Switzerland | 5–8 working days | Export; import VAT and duty in Switzerland |
| United Kingdom | 5–10 working days | Export; UK import VAT and duty on arrival |
| Ireland | 6–10 working days | EU delivery, no customs |
| United States | Quoted per order | Export; US import duties apply |
| United Arab Emirates | Quoted per order | Export; UAE import duties apply |
Times are typical for pallet delivery after dispatch and can vary with holidays and remote addresses. Business buyers in the EU with a valid VAT number can order without German VAT.
Questions about BMW E81, E82, E87 and E88 1 Series engines
Will the N47D20A engine fit my BMW E87 120d?
Yes, if your BMW E87 120d was built with the N47D20A. BMW used this 2.0 liter (1,995 cc) diesel engine with 130 kW (177 HP) in the E87 120d from about 2007 to 2012.
Some E87 120d cars were built with a different engine: the M47D20TU2. These look alike from the outside, so check the code on your engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N47 Engines · Search N47D20A in the shop
How much is a replacement N47D20A engine for a BMW E87 120d?
A used N47D20A for the BMW E87 120d costs from about 1.250 € to 2.100 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N47D20A you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N47 Engines · Search N47D20A in the shop
Will the M47D20TU2 engine fit my BMW E87 120d?
Yes, if your BMW E87 120d was built with the M47D20TU2. BMW used this 2.0 liter (1,995 cc) diesel engine with 120 kW (163 HP) in the E87 120d from about 2001 to 2007.
Some E87 120d cars were built with a different engine: the N47D20A. These look alike from the outside, so check the code on your engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all M47 Engines · Search M47D20TU2 in the shop
How much is a replacement M47D20TU2 engine for a BMW E87 120d?
A used M47D20TU2 for the BMW E87 120d costs from about 1.050 € to 1.850 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The M47D20TU2 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all M47 Engines · Search M47D20TU2 in the shop
Will the N52B30 engine fit my BMW E87 130i?
Yes, if your BMW E87 130i was built with the N52B30. BMW used this 3.0 liter (2,996 cc) petrol engine with 190 kW (258 HP) in the E87 130i from about 2005 to 2011.
In our records the N52B30 is the engine for the E87 130i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N52 Engines · Search N52B30 in the shop
How much is a replacement N52B30 engine for a BMW E87 130i?
A used N52B30 for the BMW E87 130i costs from about 1.800 € to 2.950 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N52B30 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N52 Engines · Search N52B30 in the shop
Will the N52B25 engine fit my BMW E87 125i?
Yes, if your BMW E87 125i was built with the N52B25. BMW used this 2.5 liter (2,497 cc) petrol engine with 160 kW (218 HP) in the E87 125i from about 2005 to 2011.
In our records the N52B25 is the engine for the E87 125i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N52 Engines · Search N52B25 in the shop
How much is a replacement N52B25 engine for a BMW E87 125i?
A used N52B25 for the BMW E87 125i costs from about 1.400 € to 2.350 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N52B25 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N52 Engines · Search N52B25 in the shop
Will the N54B30 engine fit my BMW E82 135i?
Yes, if your BMW E82 135i was built with the N54B30. BMW used this 3.0 liter (2,979 cc) petrol engine with 225 kW (306 HP) in the E82 135i from about 2006 to 2010.
In our records the N54B30 is the engine for the E82 135i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E82 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N54 Engines · Search N54B30 in the shop
How much is a replacement N54B30 engine for a BMW E82 135i?
A used N54B30 for the BMW E82 135i costs from about 3.000 € to 4.700 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N54B30 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N54 Engines · Search N54B30 in the shop
Will the N46B20 engine fit my BMW E87 120i?
Yes, if your BMW E87 120i was built with the N46B20. BMW used this 2.0 liter (1,995 cc) petrol engine with 110 kW (150 HP) in the E87 120i from about 2004 to 2012.
In our records the N46B20 is the engine for the E87 120i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N46 Engines · Search N46B20 in the shop
How much is a replacement N46B20 engine for a BMW E87 120i?
A used N46B20 for the BMW E87 120i costs from about 1.000 € to 1.700 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N46B20 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N46 Engines · Search N46B20 in the shop
Will the N43B20 engine fit my BMW E87 118i?
Yes, if your BMW E87 118i was built with the N43B20. BMW used this 2.0 liter (1,995 cc) petrol engine with 105 kW (143 HP) in the E87 118i from about 2007 to 2011.
In our records the N43B20 is the engine for the E87 118i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E87 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N43 Engines · Search N43B20 in the shop
How much is a replacement N43B20 engine for a BMW E87 118i?
A used N43B20 for the BMW E87 118i costs from about 1.050 € to 1.850 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N43B20 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N43 Engines · Search N43B20 in the shop
Will the N43B20 engine fit my BMW E81 120i?
Yes, if your BMW E81 120i was built with the N43B20. BMW used this 2.0 liter (1,995 cc) petrol engine with 105 kW (143 HP) in the E81 120i from about 2007 to 2011.
In our records the N43B20 is the engine for the E81 120i, which makes the match simple. Still, check the code on your old engine or send us your VIN.
Also tell us if your E81 has a manual or an automatic gearbox. The flywheel or the flex plate and some sensors depend on it.
Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N43 Engines · Search N43B20 in the shop
How much is a replacement N43B20 engine for a BMW E81 120i?
A used N43B20 for the BMW E81 120i costs from about 1.050 € to 1.850 € in our yard. The price depends on the year, the mileage and the parts that come with the engine.
Shipping is a flat 249 € per order. It is added once at checkout and printed on the invoice, so there is no extra fee later. Inside the EU there is no import duty. Outside the EU, the receiver pays local duty and VAT.
A replacement engine is often much cheaper than rebuilding a damaged one, and much faster. The N43B20 you buy is photographed and checked in Hamburg before it is listed.
Eligible engines come with a 12 months warranty from the delivery date. It covers internal mechanical failure under normal use and correct fitting by a qualified mechanic or workshop. Not sure? Send us your VIN and your gearbox code. We match the engine family, the year window and the parts on the engine before anything is reserved, and the check is free.
See all N43 Engines · Search N43B20 in the shop
Glossary
- VANOS — BMW's variable camshaft timing system. It adjusts the intake camshaft (single VANOS) or both camshafts (double VANOS) to improve torque and emissions.
- Valvetronic — BMW's variable valve lift system. It controls engine load with the intake valves instead of a throttle plate, improving economy.
- Direct injection — Fuel is injected directly into the cylinder instead of the intake port. It improves efficiency but can cause carbon build-up on the intake valves.
- Piezo injector — A fast-acting injector that uses a piezoelectric crystal. It allows precise fuel delivery but is sensitive to fuel quality.
- Wastegate — A valve that lets exhaust gas bypass the turbine to control boost pressure. Worn wastegates rattle and can cause boost faults.
- DPF — Diesel particulate filter. It traps soot and burns it off during regeneration, which needs longer journeys.
- EGR — Exhaust gas recirculation. It feeds some exhaust back into the intake to reduce NOx emissions but builds up soot.
- Swirl flaps — Flaps in the intake manifold that create swirl at low revs. On some BMW diesels they can break and enter the engine.
- Common rail — A diesel injection system with a high-pressure fuel rail feeding all injectors. It allows precise, multiple injections per cycle.
- Long block — An engine with the block, head and internals but without most ancillaries such as manifolds, turbo, alternator or starter.
- Dressed engine — An engine with most ancillaries fitted, ready to install with fewer parts transferred.
- Compression test — A measurement of the pressure each cylinder builds when cranked. Even readings show healthy rings and valves.
- Leak-down test — A test that pressurises each cylinder and measures how much air escapes, showing where any leak is.
- LCI — Life Cycle Impulse, BMW's name for a mid-life update. Engines often change at the LCI.
- xDrive — BMW's all-wheel-drive system. xDrive cars often use a different sump and oil pickup.
- DME — Digital Motor Electronics, BMW's name for the engine control unit.
- CAS, FEM and BDC — The immobiliser and body modules that must be matched to the engine control unit on modern BMWs.
- Timing chain tensioner — A hydraulic or spring device that keeps the timing chain tight. Worn tensioners cause cold-start rattle.
- Rear-mounted timing chain — A timing chain at the gearbox end of the engine. Replacing it normally requires removing the engine.
- Electric water pump — A water pump driven by an electric motor. It needs a diagnostic bleeding routine when the system is refilled.
- TU — Technical Update, BMW's suffix for a revised version of an engine.
Our verdict
The BMW E81, E82, E87 and E88 1 Series offers a wide choice of engines, and the right replacement depends on your exact model, build date and gearbox. Confirm the code with your VIN, choose a unit with known history, replace the known weak parts while it is out, and the car will be back on the road for years.
See every BMW E81, E82, E87 and E88 1 Series engine in stock, or ask the Hamburg desk to check your VIN.
