Thread: New Tires
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      12-10-2009, 11:15 AM   #18
03BeastCharmer
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Drives: '13 M3
Join Date: Oct 2007
Location: Houston

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Quote:
Originally Posted by CalRick View Post
Since Dunlop doesn't offer Star Specs in the stock M size, I went up a size to 235/40 and 265/35 when I put mine on and that seems to work well. Some go another size up to 245/40 and 275/35 on the M, though I would be more comfortable bumping the wheel size up a half inch or so before doing that.
Part of the reason we have gone to 245/275 is that it has the same outside rolling diameter as the stock tire setup, so it's a wider tire with the same overall shape as stock. With the 235s, the tire doesn't make the same number of revolutions per mile as stock.
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Current: '13 E92 M3 Euro Delivery
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