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BMW diesel engines
What is the difference between the B57D30A and other B57 engines?
The B57D30A makes 195 kW (265 HP) and 620 Nm. The other B57 engines are: B57D30B with 250 kW (340 HP) and 700 Nm (2016 to 2024).
Engines in one family share a basic block, but the turbo, the injection, the sensors and the engine computer can differ. A higher power version often has different pistons, a bigger turbo or a different fuel system.
This is why we ask for the exact code. Fitting a different version can work, but the wiring, the software and sometimes the gearbox must be changed to match.
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.