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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums UK G21 front end clunking

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      04-30-2021, 10:38 AM   #1
Paulkitch
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G21 front end clunking

Hi guys
Had my G21 M Sport Pro for 3 weeks now and I am noticing a clunking noise over uneven road surfaces from mild to rough it doesn’t matter, it still bumps.
I have adaptive suspension and it does it in all modes, the odd thing is on some journeys it is hardly noticeable but on others it is so bad passengers comment, I have it booked in at dealers on Tuesday but would love to know if it’s a common problem?
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      04-30-2021, 12:27 PM   #2
Keith_C
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Someone on here a short while ago had their car delivered with the transport clamps still on the springs, was wondering if its something as simple as that.
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      05-01-2021, 05:41 AM   #3
Paulkitch
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Thanks Keith
I’m thinking it could be something to do with the adaptive suspension as it can be intermittent and change when I move to different modes!
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      05-01-2021, 07:07 AM   #4
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I get this over speed bumps on my F32 with adaptive suspension. There's a few threads on this in the F30 forum. Could be the same thing, I don't think it was ever satisfactorily resolved for F30/2.
e.g. https://f30.bimmerpost.com/forums/sh...d.php?t=795016
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      05-01-2021, 07:16 AM   #5
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I have a similar issue at the near side rear. A knocking noise over bumps in the road. Trouble with being at the opposite side of the car I can't drive and try to locate it, and the kids are useless. They claim to not even hear it.
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      05-01-2021, 10:29 AM   #6
Paulkitch
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I have been out for a drive today and it wasn’t that noticeable which leads me to believe it’s an adaptive suspension issue, I’m also noticing a mild squeak/creak from the same area.
I just hope it does it when the dealer drives the car!
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      05-04-2021, 04:20 AM   #7
Paulkitch
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Just dropped the car off at the dealers and the tech gave it a quick drive and was back in minutes, luckily he heard it and the car is being looked at today so hopefully they will find the problem!
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      05-05-2021, 12:16 PM   #8
Paulkitch
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So, picked the car up and the knock seems to have been fixed, they replaced the top mount for the knocking and bump stop for the creaking, bad news is they scratched the wing! 😡
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