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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Knocking noise



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      09-20-2014, 07:05 PM   #1
Reece
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Hi a few months back fitted new wheels, eibach pro's and new front shocks, bar forgetting to do 1 bolt up all was well and good til 2 weeks ago started hearing a nocking noise when mounting the dropped kerb outside my house at very low speeds.
Last weekend i took the wheel off and checked every bolt that i could on the passenger side that i could and did touch when replacing all my bits.
Now when bouncing the car you can hear it quite clearly, my next door neighbour knows his cars inside out and has owned some weapons including a series 1 rs turbo with a cossie lump running nearly 500bhp he builst from scratch.
You can hear the knocking but when trying to eliminate where its coming from its impossible, even my neighbour cant work it out.
When boucing the car to make the knocking noise holding all the control arms etc at different times to feel if its knocking harder on 1 part than the other its not, it all feels the same , hoping a bmw boff on here can help me out.

Will add 2 videos from either side of the wheel to show you what it sounds like

All help appreciated
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      09-20-2014, 07:20 PM   #2
Reece
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      09-20-2014, 08:13 PM   #3
jwilliams
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Just as a guess. Could it be the anti roll bar. I am new to bmw but not cars in general.
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      09-21-2014, 02:59 AM   #4
Reece
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Quote:
Originally Posted by jordon335
Just as a guess. Could it be the anti roll bar. I am new to bmw but not cars in general.
As i say mate ive checked every component in there and none feel worse when you make it knock
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      09-21-2014, 09:25 AM   #5
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Then take it to a professional and let them find it. If you have checked everything including all bushes then I cannot help. Good luck repairing.
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      09-21-2014, 10:24 AM   #6
kiel_dafo_kenyg_as
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I can see some play in one of the wishbones inner rubber bearing
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      09-21-2014, 01:32 PM   #7
Reece
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Quote:
Originally Posted by whiteblue
I can see some play in one of the wishbones inner rubber bearing
Were can you see the play in the front or back one? I know its not the beat video but hard to get the phone in the right place then bounce the car
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      09-21-2014, 02:09 PM   #8
M5rius
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could be top mounts
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      09-21-2014, 02:10 PM   #9
Reece
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Quote:
Originally Posted by M5rius
could be top mounts
There brand new shocks mario
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