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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > Regional Forums > UK > Adaptive suspension: knocking sounds over minor bumps
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      08-25-2015, 05:20 PM   #177
batty
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I've not been back to the dealer, it's not perfect, but have learnt to live with it.
The bush is the rubber or soft component between the metallic suspension component and the metallic sub-frame.
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F31 330d MSport - Mineral Grey, Coral Red, Walnut trim - Pro Media - M Sport+ - Advanced Parking - Visibility Pack - HFS - VSS - Adaptive Suspension - Surround View - Towbar
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      09-16-2015, 07:34 AM   #178
GuiltyNL
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Understood. I think I have the same issue.

Mostly hearable when taking faster left corners.
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      09-16-2015, 07:55 AM   #179
Jord0301
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I had this issue on my 1 series with VSS and adaptive.

Replaced the steering rack - noise gone......until about 1000 miles later when it was back to square 1.

BMW said it was normal although couldn't pin point the issue?

have learnt to live with it since.....hope my new 335 doesn't do the same
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      10-13-2015, 03:29 AM   #180
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Quote:
Originally Posted by Jord0301 View Post
I had this issue on my 1 series with VSS and adaptive.

Replaced the steering rack - noise gone......until about 1000 miles later when it was back to square 1.

BMW said it was normal although couldn't pin point the issue?

have learnt to live with it since.....hope my new 335 doesn't do the same
that's unacceptable. it's not normal. tell them to use chassis ears to find the noise.

I'm sort in the same boat. i've had them replaced the swivel joint, steering rack and front left strut. noise is 70% gone but still there. very easy to replicate for me. just drive over a speed bump, if possible, one wheel at a time which will at least help narrow the problem area. my case, front left.

i'm going back to the dealer to get them to fix once and for all. someone who is a BMW tech told me he had the same problem and advised that i keep bitching about it to them until it is resolved. customer feedback and satisfaction is huge for the dealer; if feedbacks are poor, they loose out on funding from BMW NA and bonus at end of year. so if you're not happy, let them know.

also, the same tech told me i can always escalate with BMW NA if problem isnt resolved.

no one should learn to live with any problems.
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