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      09-24-2008, 02:53 AM   #29
Drives: E92 Jerez DCT M3
Join Date: Jan 2008
Location: Anaheim Hills / Malibu

Posts: 2,244
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Originally Posted by badfish View Post
BMW-M-Mexico reports nearly zero difference at the track with 20s. I run 20s currently. The only reason I want a set of 19s for track is for the better tire choices. There aren't a lot of good tires in the 20" size. 18s have the most options but 18s won't fit my BBK.
I don't understand how the 20's can be fine considering you run a 305 rear and a 255 front which is way off from the balance of the stock 245/265 . Is the car more prone to sudden oversteer with the 20's due to the front / rear size difference.?
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