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      10-17-2017, 01:41 PM   #9
Zamorskii
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Drives: '23 M3CX
Join Date: Sep 2008
Location: Bloomington, MN

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I took mine in twice to investigate a thump noise coming from the right front when going over a speed bump or on/off a driveway, WITH the steering wheel turned left. In both cases, the dealer did not find anything with the suspension, but made adjustments to the rear hatch. It did seem to help the last time.

If the sound comes when you apply gas, I would look over the engine/transmission mounts and generally the powerplant suspension. A cracked mount or loose bolt is the prime suspect.

If the sound comes when you either apply breaks or go over bumps that cause suspension movements or compression, look over control arms, links, springs, etc.
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