Question about 2007 BMW M6 Convertible

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My 2007 M6 has 10,000miles on it and just had my diff fluid changed. I now have a noisy rubbing sound from the right rear wheel. BMW says it may be normal and may go away. Gets a little better after warm up but still hear some noise.

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If it is posi rear-end or limited slip MUST have additive added to fluid or will cause noises.

Posted on Dec 04, 2009

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Are you sure you bought the correct oil..?
I had that noise when turning, when I bought my M6.
After oil change, and 15 minutes of driving, the noise went away and since then works/sounds perfect...

Posted on Apr 21, 2012


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The rubbing sound you hear may or may not be related to the differential condition. If the diff lube has not been changed in the last 12,000 miles, it's due for a change: it is recommended as normal service.(front and rear) If the diff is leaking or very low, or, if there is a noise, just replacing the lube won't help. You need to correct the problem.
The average JL tech is well trained in removing and replacing oil drain plugs and filters. Leave the real diagnosis to a trained experts. You may have a piece of plastic column cover rubbing (easy to fix) or something more serious such as a hub bearing or differential internal bearing failing.

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