E30 M20 Engine Diagram. This list is intended for the b25 and b27 motors some of this info may apply to b23 and b20 motors but no guarantee. In 1992 the convertible was an e30 chassis while all other models had migrated to the e36 chassis and the newer m50 engine.
Like the m10 the m40. Introduction originating in europe the m20 engine made its way into the e21 3206 and the 323i. 1983 e3083pdf 10867285 bytes e3083zip 7171106 bytes 1984 e3084pdf 16982190 bytes e3084zip 12197014 bytes 1985 e3085pdf 29597440 bytes e3085zip 18747897 bytes 1986 e3086pdf 21962051 bytes e3086zip 13584018 bytes 1987 e3087pdf 20065810 bytes e3087zip 14139296 bytes.
Here are a number of highest rated bmw e30 engine bay pictures on internet.
For everything else the e30 stopped after 1991 the same mods and ignition settings apply to other m20b25 cars like the 89 90 525 as well as to some m30 and s38 powered cars including the 89 93 535 91 93 m5 and 88 92 735. The m20 was the basis for the bmw m21 diesel engine. Created with the weekend mechanic in mind this extensively illustrated manual offers. Improving the m20 engine.