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      08-17-2011, 11:52 PM   #24
llis
octane chick
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Drives: ex-M
Join Date: Oct 2010
Location: Colorado

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2013 BMW M3 ZCP  [10.00]
2003 BMW M5  [0.00]
Quote:
Originally Posted by CeeBoogie View Post
Nah, the 19's were 4 seconds faster than the 18's because of the added grip
255/35R19 front, 275/35R19 rear: street

275/30R18 square: track

The 18s are WAY faster, but it's because of the tires, not the diameter.
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