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      11-29-2011, 10:46 AM   #361
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Originally Posted by BMWNTHZST View Post
someone told me that I can't run 225/40/18 for a winter set up because the speedo will not read accurate. Is this true do I need to run 235/40/18 or will I be ok?

Speedo will be slightly less accurate. That's getting pretty small for a tire on the M3, esp on the rear. I would stay with 235 if possible.

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