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      01-25-2013, 10:46 PM   #12
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Drives: BPM tuned '13 AW ZCP E92 M3
Join Date: Sep 2012
Location: Rochester, NY

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2013 BMW E92 M3  [0.00]
2011 BMW M3  [0.00]
Mine does that sometimes too. I think the brake pads(cold) make too much contact with the rotors. Just the slightest "unevenness wear" on the pads make them contact the rotor every revolution to make this sound....Try, when on the highway at cruising speed, give ur brakes a Firm brake check, maybe a few times to heat them up good, to see if this helps even them up.