3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
How difficult would it be to convert my 1985 318i to an M42 from a later
318i? I'm planning on going with this over an M50 or S50 because of 1) gas mileage and 2) the price of parts (engine, trans, etc) for the conversion. I am planning on using a rebuilt M42 and rebuilt trans. Any suggestions? Any specific year? (Im seeing quite a few different on Bavarian Auto Exchange www.bmwengine.com)
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