Quote:
Originally Posted by khj24
I know a lot of people(me included) are running higher pressures up front to compensate for the sidewall wear with the stock MPSS setup, what PSI are you at for your fronts? I am assuming 32F/38R? I plan to do 235 up front and those are also XL with the MP4S
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For the street (I don't track the car), I run 32 psi front and 34 psi rear. I find 38 psi in the rear to be a bit excessive. I think BMW did that induce more understeer as well. Either way, a 225 up front is way too narrow, especially once you go to a wider than stock wheel in the front. The stretch makes things even worse.