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      07-22-2014, 10:04 PM   #6
smmmurf
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Drives: E92 M3 DCT 353k+ miles
Join Date: Feb 2008
Location: Half Moon Bay, CA

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Quote:
Originally Posted by dbyrd View Post
After replacing both front tires, I'm still experiencing a vibration with a slight whop whop sound. I pulled the rear spacers just to be sure and I'm still hearing it. I now think it may be the front wheel bearings - I'm at 96k miles. At least I kept the old tires that may not be the culprit.
Positive it's not just when you are on the brakes? Pad deposits on rotors (i.e. from running street pads on the track) make a whoop whoop sound and vibrate. Could be this in conjunction with a caliper issue.

It's very unlikely both wheel bearings failed at the same time- probably just one. you can jack up the front of your car and see if there is any play in the hub.

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