Thread: PS2 Traction
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      01-09-2009, 07:55 AM   #34
kmarei
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Drives: 1988 E30 M3 Evo II
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Quote:
Originally Posted by GregW / Oregon View Post
Sorry, but 8% wider in the rear won't make much difference. You will have the same contact patch area, which is based on weight, and be more susceptible to hydropaning in wet conditions.
if it makes no difference then why doesn't the car come with 245 in the back?
would make it better in the rain
and why do the M cars come with wider rubber than the lower end models?
that applies to most brands actually, not just BMW

based on my experience
wider tires = more grip
and wider tires means i can use a lower psi which means bigger contact patch
so instead of 33/35psi i can maybe use 31/33
also more comfortable