Originally Posted by Levi
Well, M2 with 4 cylinder might be stupid in your book, but not in the BMW M engineers' book:
[b]BMW 325i E30: 2.5l I6
BMW M3 E30: 2.3l I4.
that example is often used but it's never mentioned that the displacement difference is <10%. if the m2 gets a 4cyl., i wonder if it will have in excess of 2.0ltr., say 2.2-2.4ltr.?