even thou e28 m5 is faster than m535i, m535i is more liked, because it is not a mismatch, but there is fluency in the handling. My target is to put 745i parts on my M30 engine, since it is the same engine, but with a turbo.
Here is the article, check #5 and beautiful balance
http://www.motorworld.net/forum/show...highlight=gear