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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Rear Suspension Squeak - NEED SOME HELP!!



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      06-16-2016, 10:38 PM   #1
timmye90
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Rear Suspension Squeak - NEED SOME HELP!!

Hi there,

I recently have noticed some noise coming from the rear suspension of my 06' E90 with 130k km. It makes a squeaking noise almost like a clown shoe lol, Do I need to replace the rear suspension, lower control arms or just the bushings? If someone could please inform me, that would be awesome!

Thanks!
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      06-17-2016, 10:49 AM   #2
armansiu
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i think it is the bushing. but i am not sure which one.
i had little squeaking sound from my rear on my oem suspension, then I bought a set of new KW V1. the sound is still there after installing, so it's not from the suspension.
maybe the control arm bushing?
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      06-17-2016, 10:58 AM   #3
matteblue3er
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Check and make sure the bushings are still holding the arm correctly.

The inside of the bushings can rip, separating them from the arm and rub against the subframe.
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      06-17-2016, 11:15 AM   #4
Wolf 335
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This has been a recent topic of discussion.

You need to address item number 3.


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Cheers
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      06-17-2016, 12:04 PM   #5
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Quote:
Originally Posted by Wolf 335 View Post
This has been a recent topic of discussion.

You need to address item number 3.


Attachment 1443649

Cheers


Either that or number 16. which I think is the rear lower control arm bushings. You have to replace the whole arm though

The lower control arm bushings are a known issue. However, you'd be crazy not to replace the ball and socket joint while your in there. That is another known issue to be sure.

You have to have an air gun and a torch to get them out, if you live in a cold weather state that uses salt on the roads, during the winter months.

If not, an air gun will make it a lot easier, most likely.

There are camber bolts on the lower control arm, your gonna want to replace too. They should be ordered, with the control arms. When I had the ball and socket bushings replaced, I had new bolts for that as well.
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      06-17-2016, 12:21 PM   #6
feuer
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Quote:
Originally Posted by Wolf 335 View Post
This has been a recent topic of discussion.
You need to address item number 3.
Bingo! #3 is the usual suspect. Spray it with wd40 or soapy water to make sure is culprit before you start removing it.
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      06-17-2016, 12:25 PM   #7
armansiu
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Quote:
Originally Posted by mweisdorfer View Post


Either that or number 16. which I think is the rear lower control arm bushings. You have to replace the whole arm though

The lower control arm bushings are a known issue. However, you'd be crazy not to replace the ball and socket joint while your in there. That is another known issue to be sure.

You have to have an air gun and a torch to get them out, if you live in a cold weather state that uses salt on the roads, during the winter months.

If not, an air gun will make it a lot easier, most likely.

There are camber bolts on the lower control arm, your gonna want to replace too. They should be ordered, with the control arms. When I had the ball and socket bushings replaced, I had new bolts for that as well.
is alignment required after changing these?
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      06-17-2016, 12:54 PM   #8
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Yes, absolutely.

Take it to a local specialist that only works on suspensions etc. should cost about $70-90.00 for a 4-wheel alignment.

Make sure you get all bolts that go thru camber and other as well as the nuts.

BMW fans will have the part numbers.

ECS tuning, pelican, and FCP euro will have the parts.

Triple check this diagram. It's sort of tricky and easy to order the wrong parts.

Lemforder is the OEM provider and you can save some $$ if you buy them vs OEM. However, i have found OEM to be close in price on these parts.
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