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      10-01-2012, 12:09 PM   #232
Macky112
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Taiwan
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Drives: 2008 E93 M3, 6MT
Join Date: Jun 2008
Location: Irvine, CA

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hey all, just discovered this thread and wanted to chime in.

I think i got the cow bell noise as well (i would describe it as "clonking/clunking" from the rear wheels when braking at low speed), and I was able to both capture it on video and recreate it at the dealership.

shop foreman said it's a warped backing plate of the brakes (? i could have heard it wrong), and whatever they did, the noise went away (knock on wood).

hope this provides some insight to those that's still troubleshooting this issue.

Regards,
Michael