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  1. #1
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    Question 315/30R18 or 245/40R18 MT street DR

    I want to get a pair of MT street drag radials, but I'm not sure if they fit on my e92 sport. I have stock spoke 189 18" rims.

    The 3782R (265/40R18) has 10.6 Sidewall width, 9.6 Tread width, 26.5 Overall diameter. - fits an e90, but does not fit my e92 with sport suspension, they were rubbing my fenders on bumps or when I launched hard

    The 3784R (P315/30R18) has 12.4 Sidewall width, 11 Tread width, 25.5 Overall diameter.

    The 3780R (P245/40R18) has 9.6 Sidewall width, 8.5 Tread width, 25.8 Overall diameter.

    I'd go with 315/30/r18, does anybody know if they fit?
    current: '12 E92 M3

    past: '09 335i E92
    best 1/4 ET: 12.47 on street tires
    best 1/4 trap speed: 115mph

  2. #2
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    A 315 is out of the question.

    It seems the 245/40R/18 is your best choice.

    If this is for the street (why?) look into Nitto as well.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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