I have had two identical M3's. Only difference, one was an '08 and the other a '11 with ZCP. Both were identical in every other option and body style.
During my initial drive, I believe I felt a difference where the '11 had an advantage in:
1. DCT smoothness and speed of shifting.
2. Suspension was "slightly" stiffer on the highest setting.
I tracked both vehicles and my skill is not at a level where I can detect a difference. I did not keep lap times so I have nothing to compare.
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Last edited by CBS; 09-07-2011 at 10:26 AM.