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      06-10-2013, 09:22 PM   #5
Rostasteve
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Drives: 08 E90 Jerez Black M3
Join Date: Jun 2013
Location: North NJ

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I have the same question as the OP. Looking for a streetable track tire like NT05, RE-11, Direzza Z1 for OEM 220s. Z1s don't come in 19s, NT05s and RE-11s are only available in 275/30R19 and 245/35R19, which will make understeer worse.
Are there any options other than the AD08s? Is a square 18s setup the only practical choice?