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      07-08-2011, 04:38 PM   #19
ex10psi
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Drives: 2011 E90 M3
Join Date: Feb 2011
Location: WA

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your best option in this case is the michelin pilot sport cups. the 997 porsche gt3 RS comes with factory 19inch MPSC N1 spec tires and is the perfect dual purpose street/track tire. they have similar grip levels to say a NT01 and will not chunk like a PS2 on the track. they are an expensive tire (esp 19's) and do not last very long at all. i dont know if they have sizes for the M3, you can check tirerack.

however, if you are going to the track more often, and getting faster, its time to buck up and get a set of dedicated 18inch track wheels/tires.
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2011 E90 M3
2004 996 GT3
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