Will the M52B25 engine fit my BMW E39 523i?

Yes, if your BMW E39 523i was built with the M52B25. BMW used this 2.5 liter (2,494 cc) petrol engine with 125 kW (170 HP) in the E39 523i from about 1995 to 2000.

In our records the M52B25 is the engine for the E39 523i, which makes the match simple. Still, check the code on your old engine or send us your VIN.

Also tell us if your E39 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.