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      03-15-2013, 03:07 AM   #1
Tee-Tom
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Bad differential???

Hi,

I have a grinding noise when I turn at low speeds which I suspect is from the differential. It gets better as the car gets hotter from driving. Guesss when the differential oil getting hotter.

How much trouble do you guess I am in? Should I be looking at a new differential or do a quick differential oil change.

Mileage: 14,000km
E93 2008 M3
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      03-15-2013, 10:49 AM   #2
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see next post
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      03-15-2013, 10:51 AM   #3
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Pretty sure the dealer has an additive that will stop the grinding, search is yor friend

http://www.m3post.com/forums/search....rchid=25917604
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      03-15-2013, 12:42 PM   #4
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Yup this is a known issue and any authorized dealership can switch your car to a differential oil with an additive which should eliminate the noise.
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      03-15-2013, 12:44 PM   #5
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Here is the service bulletin.
Attached Images
File Type: pdf 330102.pdf (37.7 KB, 48 views)
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      03-18-2013, 02:01 AM   #6
Tee-Tom
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Thanks so very very much for this information. I had begun to panic.

Will order the oil immediately.

Thanks again!!
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