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      04-22-2009, 06:05 PM   #10
foosh
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Drives: 2008 M3 E93
Join Date: Mar 2009
Location: Annapolis, MD

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Quote:
Originally Posted by erio View Post
Mine started making a rubbing type sound at about 3000 miles and only with slow sharp right turns. It does it very sporadically and really sounds like it's something coming from the front of the car. In fact, I had to take it to the service center 3 times because it was so inconsistant. It does seem to fade when the car is warmed up a bit. I took it to the head tech thinking it was the LSD and he said it doesn't sound like a differential and has no idea what it could be.....? Anyone think this could be the LSD and why only with right turns?
There is a clutch pack for each half-shaft on each side of the diff. Slight differences in lubrication on one or the other clutch pack could cause one to make more noise than the other.
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