Screeching sound from rear suspension - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 07-28-2007, 05:31 PM
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Screeching sound from rear suspension

Hi All,
I am a new member on bimmerforums.com. I won a 323Ci 2000 BMW. There I some Screeching sound from the rear suspension, specially when I back up, or accelerates from zero and at small bumps. Some one told me it is because of bad shock mounts. I got the rear shock mounts and the shocks changed, the sound has reduced but not gone fully. Any advice is welcome
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#2 (permalink) Old 07-30-2007, 09:19 PM
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It could be a wheel bearing. Try jacking the car up to unload the wheel and see if you can move it around... like it probably shouldn't move. I Just R&R'd a rear wheel bearing on my 323i at 97,000 miles.
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#3 (permalink) Old 07-31-2007, 09:25 AM
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Not the wheel

It is definitely not the wheel. If my car is still and i move it up and down by applying force on the trunk, giving sudden jerks, I can still hear the sound. It is definitely from the suspension. I have replaced the studs and the shock absorber mounts. I cannot think where else can me making that sound in the suspension?
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#4 (permalink) Old 08-15-2007, 11:14 PM
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could be sub frame defect

i have a 00 328i, and ive had the same problem for a while now and all the suspension components seem to be fine. i did some research and found this...
BMW 3 Series Defect - Subframe Crack - Law Firm Wasserman, Comden & Casselman, LLP Attorneys Tarzana, California

i looked under my car, and sure enough, the floor board is cracked really bad. its only on the driver's side though.
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#5 (permalink) Old 08-15-2007, 11:23 PM
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Thanks Bro

Thanks for the information bro. I will surely look under my car tomorrow morning. Are you planing to some ting about this?
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#6 (permalink) Old 08-16-2007, 06:44 PM
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yeah, i went to bmw's site and got a number to contact someone at. I submitted a form and the guy already got back to me. He said he will contact me within a few days to schedule and appt. to meet with a technician to inspect my car at the dealer, and hopefully things will go good from there. Ill keep u posted on what happens tho, i hope they dont try to haggle me and blame it on something else, cuz my only mod is rims, but they are still only 17's.
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