Quote:
Originally Posted by GregW / Oregon
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.
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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