E46Fanatics - View Single Post - Rear knocking noise ?? (Not RTABSor subframe ...)
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Old 07-18-2012, 04:05 PM   #4
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Join Date: Jun 2012
Location: Canada, Montreal
Posts: 35
My Ride: M3 01
Originally Posted by mrlatexxx View Post
Yes the cause is your spring,

Do not use H&R spring ! Its harsh on shocks ... kills it quickly!

Try eibach-pro kit spring.

Go ahead and take out shock on spring broken side & check it by compressing and see if it comes back up
too late , i bought them already from this forum's member lol. Should be fine since i have aftermarket shocks.

though its the rear that makes the noise and the broken spring is on the rear right.

How do i know if the differential bushings and RSM are bad? Yes it does make noise when i change speed.

Last edited by ayashifx55; 07-18-2012 at 04:09 PM.
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