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M2 Technical Topics > Suspension | Brakes | Chassis > M Perf Coilover squeak

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      10-08-2020, 05:47 AM   #1
blitzyo
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M Perf Coilover squeak

Getting a small squeak from all 4 corners when going over speedbumps at 20 km/h-30 km/h or going over dips in the road at speed when the car's cold. It's audible with the windows down. You won't really hear it in the cabin with the radio on. Never happened with stock suspension.

They don't squeak when going over speedbumps slowly or when the car's hot.

Had everything looked at and retorqued by my shop, tried factory rebound compression settings and 2 harder than factory and it still squeaks. When set to full soft the squeaking diminishes greatly. They think it's the shocks, not the bushings.

Is this a normal thing with KW/M Perf shocks? Anyone have a similar experience?
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      10-08-2020, 05:56 AM   #2
gnx
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I do.

I haven't looked into it, to me it sounds like it might be spring related.

I am on GC camber plates up front.
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      10-08-2020, 09:11 AM   #3
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Get the same in my KW V3's. Pretty sure it's normal.
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      10-08-2020, 09:31 AM   #4
blitzyo
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Quote:
Originally Posted by gnx View Post
I do.

I haven't looked into it, to me it sounds like it might be spring related.

I am on GC camber plates up front.
I've had the squeak sound exactly the same on stock tophats and millway street plates.

Quote:
Originally Posted by detroitm2 View Post
Get the same in my KW V3's. Pretty sure it's normal.
Ok, that's reassuring, kinda OCD about these things. Slightly disappointed though.
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      10-10-2020, 02:41 PM   #5
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I have the same noise with M Perfomance Coilovers together with Millway Street camber plates. Not sure which creates the noise.
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