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

Posts: 108
iTrader: (0)

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.

Macky112 is offline   Taiwan
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