E46Fanatics - View Single Post - Autocross Tires for 2013
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Old 04-25-2013, 12:36 PM   #2
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Join Date: Nov 2006
Location: Minneapolis, MN
Posts: 493
My Ride: 2006 M3
I think you'll find that the acceleration differences are much more in the gearing (tire height) than the weight. Even in a torqueless car like a miata, it's hard to notice weight differences in lap times. (GRM actually tested this)

I'd recommend a 245/17 or 255/17 on a 9"+ wheel.
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