e30 316 m10,320i m20,318 with the
m50b20 engine,now I have е12 525 1979
and so the car 323i 5speed manual gearbox 1983 but the carburetor engine m20b20 (it is broken) and according to documents 320 m10b20 has been installed but
judging by the back suspension with disk brakes and LSD, to a back apron and arms under the second muffler, to a suspension pump she 323i
in Russia it is very difficult to find the native engine on it it will be established m20b20 the carburetor 4a1 or m50в25 wasn't defined yet, so under her has taken two another cars for parts it is 320 m20в20 and 315 m10

