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      11-13-2011, 12:40 PM   #3
Denk
Lieutenant Colonel
United_States
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Drives: E92 M3 ZCP
Join Date: May 2011
Location: PNW

iTrader: (2)

I tried the popular 275/255 upsize on my 220M's but preferred the OEM sizes. I felt a very subtle change in my gearing and the car didn't feel as sharp. I was comparing PSS's. If I had 9 and 10 inch wide wheels I'd go with the upsize though. I'm not sure if 275's are going to give you more noticeable grip, I'd look at 285's in the back for more grip.