I should note that this post was about my 09 Z4
I tracked my 11 Z4 and it actually fared better
It didn't heat up as much and the car was smoother
Considering the engine, transmission, and such are the same... I'm not sure why...plus the 11 has 19in runflats while the 09 had 18in
the 11 does have M sport pkg, but IIRC, that's just the body parts and little emblems.
Overall, it's a fun car to drive on the track, but nothing to get crazy times in.
my best in the Z4, iirc, was 1.33 at SOW CCW in 90+ heat. 4 seconds slow than my M3 time.
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