Quote Originally Posted by Kevykev
but even if the M3 won by a car on half a car I would be very upset knowing what I spent on the M.

Of course overall the M is a better car when you consider all factors but it's the "piece of mind" factor that will be lacking.
Understandable. Personally I still don't understand why the went with the V8 platform over just tweaking the 335i and getting another 100whp out of that motor.