Thread: Diff noise?
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      05-25-2008, 07:21 AM   #17
First Lieutenant
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Drives: M3 E92 Space Gray
Join Date: Nov 2007
Location: Bucharest, Romania

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Same noise

Originally Posted by GregW / Oregon View Post
I'm getting a low noise on tight low speed turns. Might be the diff. I noticed on the 1,200 service there was not additive listed for the diff oil. I thought all the MLocks got it. The parts guy said only if they're "noisy".

The noise is hard to describe, but like a low rubbing sound, on both left and right hard turns. You can really hear it in a parking garage with the window down.

Hey, I have the same noise sometimes, and at first I noticed it after pulling hard, downshifting before a turn. I figured it was the diff still being locked. Then I realized it's not only after pulling hard, so that wouldn't make sense. I took it in and I wasn't able to recreate that when the tech was in the car. I thought it was when the wheel was locked left, but it's when the steering wheel is 80 or 90 degrees left.

I did have the diff oil changed. I have 6500km on the car, first heard it around 2500km.