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      04-02-2012, 12:48 AM   #17
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Drives: F10 M5
Join Date: Sep 2008
Location: Sydney, Australia

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Originally Posted by singularity View Post
The same grinding sound is also on my M6 rear differential, which is normal for ///M cars as is the diesel-like engine sound for S85. Maybe this F10's sound from the trunk is normal too, but it sounds way too much like a "loose instrument box or a wrench jumping around a plastic box". That's the best way I can explain the sound if you share the same then I'm glad that I'm not the only one and the issue (if this is an issue at all) is not isolated.

Savarona or Clar, how about you guys? Are there no speedbumps or rough roads where you live?
My sound coming from the rear is definitely getting worse. Much more noticeable now and seemingly more frequent. I think I am at the point where I am going to have to do something about it. Did your service guys manage to work out what the cause of the sound was ?
On order: F80 M3 ZCP
Current: Singapore Gray 2012 M5, AW M135i, AW X5 40d
Gone: 11 other BMWs ....