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Re: M20 vs. M50 (archive)
[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]
Posted by Bill S on July 31, 2000 at 11:30:17:

In Reply to: M20 vs. M50 posted by KRG on July 30, 2000 at 15:52:29:


What is the difference between the M20 and M50 engines? Does anyone know what the M and the 20 & 50 designate, signify or stand for? Thanks in advance.

M20 is timing belt driven single cam engine, with single coil, of an earlier design than M50. M50 is a chain driven double cam design, with individual coils, both are 6 cylinder. M & S are BMW designators for engines, as E is for chassis, the numbers are sequensial, larger is later design not nessacerily released in that order.


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