Thread: tire width
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      09-14-2009, 02:43 PM   #5
M3Post Supporting Vendor

Drives: 740i
Join Date: Mar 2008
Location: South Bend, IN

iTrader: (0)

With the right wheel, 295/35R18 can fit rear (some have reported going wider, but that is the widest that Tire Rack officially lists). That tire is too wide for stock wheels though.

So 275/40R18 is no problem, and does fit on stock wheels.

As Mr. Harris mentioned, 255/40R18 is fine on the front.

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