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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums EUROPE (Continental) Transmission mount(G20)

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      06-18-2025, 04:53 AM   #1
mikeyhz
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Drives: G20-330I
Join Date: Aug 2024
Location: Europe

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Transmission mount(G20)

Hello! I'm experiencing the following issue with my G20, 330i M-Sport.

Some time ago, I was dealing with a "clunk" sound while decelerating or accelerating. I found out the following parts were to blame: the engine mounts, the driveshaft flanges, the center support bearing, and the differential bushings — that’s all. After approximately 6 months and 15,000 kilometers, the sound has returned. The transmission mount doesn't seem to have been replaced, based on how it looks. I’ll attach a photo of it as well.

The clunk sound occurs both when the car is cold and when it's warmed up, and I suspect the transmission mount is either broken or too worn out and no longer absorbs movement properly, which causes the transmission to shift. Also, when I suddenly let off the throttle, the "clunk" sound is heard.

Has anyone else experienced this issue before?
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Last edited by mikeyhz; 06-18-2025 at 04:54 AM.. Reason: Info
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