Originally Posted by Dave07997S
That is why the GTS comes with a 285 out back...
The M3 needs more rubber out back, I have 285s out back and the car has to be driven at the apex with your foot on the throttle like its on egg shells. At best a PSSs 295/30/19 is just 3lbs heavier than the taller 265/35/19s and just 1lb lighter than a 285/30/19.
Also, heavier doesn't always degrade performance - in an issue of GRM from earlier this year they tested heavier and lighter wheel-tire combos to determine if there were any measurable impacts on performance, and the results of their testing will surprise you.