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Old 09-16-2011, 08:30 AM   #3
Autobahn East
Join Date: Jul 2005
Location: Ajax
Posts: 303
For Item 2, I have done quite a lot of these. This is very common on the E90, the noise is fron the rear differential pinion flange.

The fix is to remove the flange, clean splines and then apply loctite 290 to the splines. Grease the rear cup, replace the shaft seal and lock plate.

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