Quote:
Originally Posted by layzie
Id go with a 245 on a 220m. I don't know if i would run a 255 on a 8.5, especially a Michelin. Youll rub the inner fender wells when turning. Running a 255 on a 8.5 will give you more of a squishy feel, which is why people may have said its not as crisp. I wouldn't run a 255 on anything less than 9''
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255/35 on an 8.5" wheel is a common factory fitment across numerous car lines (i.e. like every sport package E90 330i/335i, E46 ZHP, Mercedes, etc, etc).
Similarly, a 275/35 on a 9.5" wheel is a profoundly common factory fitment also such as the E39 M5.
There is zero rubbing with a 255/35 up front on the OEM 220M wheel. I've run the 255/275 combo in PSS now for over 4 years with zero issue. For the most part, you're gaining nothing for street use other than paying a tad more and maybe tad better curb protection.
I'd also go with the factory sizes for the PS4S as Ryan suggests.