Originally Posted by Steve420
ive owned 2 320's the engine shares some parts with the other straight 6's, the tranny was the same 5 speed zf auto used in the m3's (duno about the manual) only big difference im aware of other then displacement
Pretty much everything on the engine is specific, other than the oil pan and filter housing!
Specific; intake manifold, Tbody, MAF, head, cams, knock sensors, air box, DME, even the cam/crank sensors (i think).
The rear end uses mostly 318 parts (diff and axles)