View Single Post
      09-15-2008, 06:15 PM   #2
ben@tirerack
M3Post Supporting Vendor
37
Rep
964
Posts

Drives: 740i
Join Date: Mar 2008
Location: South Bend, IN

iTrader: (0)

275/30R20 on the back would reduce the height and width a little bit, but the bigger issue here is the 20" wheels. Before you worry about the effect of a fraction of an inch diameter on acceleration, worry about the weight and rotational inertia of your 20's.
__________________
_______________________________________________
I have accepted a new position at Tire Rack and am no longer in the sales department. gary@tirerack.com is available to assist with M3 questions.