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Old 09-08-2005, 07:12 AM   #3
sna77
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Join Date: Jan 2005
Location: MA
Posts: 7,704
My Ride: BMW
Quote:
Originally Posted by BMW330d
Standard fit from BMW is 225/35/18 on the rear I belive the reason that a 35 profile is fitted to keep the rolling radius the same as the front, because it is wider tire it needs a smaller aspect ratio

Someone please correct me if I am wrong

So the sidewall is actually smaller on the rear tire?
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