Will the M73B54 engine fit my BMW E31 850Ci?

Yes, if your BMW E31 850Ci was built with the M73B54. BMW used this 5.4 liter (5,379 cc) petrol engine with 240 kW (326 HP) in the E31 850Ci from about 1994 to 2001.

In our records the M73B54 is the engine for the E31 850Ci, which makes the match simple. Still, check the code on your old engine or send us your VIN.

Also tell us if your E31 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.