Originally posted by asianautica
If you say the S54 M coupe is heavier, even by 100 lb. why did you estimate the Z4 to run slower? Also, according to carpoint, the Z4 3.0L weighs 2998 lb and the M3 Coupe weighs 3415 lb. That's 417lb, not 100lb.
because the Z4 3.0i lighter not the Z4 M Roadster.
For example the Z3 3.0I was only 2850lbs
Thus the Z4 M Roadster would be some 200+lbs heavier.
and READ MY POST! I SAID S54 M COUPE! where did I say M3 coupe?
of course the M3 coupe is also slower than the S54 MCoupe.