Control arms - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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#1 (permalink) Old 03-01-2004, 10:11 AM
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Someone has had some problems about E46 front control arm?

Thanks

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#2 (permalink) Old 03-01-2004, 11:52 AM
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Quote:
Originally posted by RobyCi@Mar 1 2004, 10:51 AM
Someone has had some problems about E46 front control arm?

Thanks
No problems per se, though my control arm bushing had finally worn out at 95k miles in my '99 323i Sport 5-spd. The stock rubber bushings have been known to wear in as little as 30k miles(I bought my whip at 54k miles last year, so they were probably changed before) , so I replaced them with polyurethane bushings from Bimmerworld. Much tighter steering now, at the expense of slightly hight road noise (nothing too major, though). Very, very nice...I highly recommend them.

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#3 (permalink) Old 03-01-2004, 04:33 PM
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my dad just had his control arms and CA bushings replaced at 19k miles in his 2002 330ci. he bought it at 9k miles and the dealer said the front took a huge shock from the previous owner but no body work had been done, so that's probably why they went so early
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#4 (permalink) Old 03-02-2004, 03:54 AM
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I have install PowerFlex bushes like Groucho.

I have open a thread in this link for this product:
http://www.bmw-forums.com/forum/inde...showtopic=9196.

E46 3 Series has many problems about control arms and bushes.

If you see the 99-01 version and 01 to current version these are the mods:

- bushes from 60 to 66mm;
- new control arms, new design;
- new design reinforce;
- new antiroll bar;

Bwm Has applied this mod to resolve that problem but me and others
to resolve the problem must replace all for 650$!!!!!!!

Sorry if my english is not correct.

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#5 (permalink) Old 03-02-2004, 02:02 PM
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I have a 2000 323i and have had my brakes and rotors replaced and my steering wheel still shakes when trying to brake at high speeds. I have tried explaining this to several people and they still keep telling me it's my rotors. So now I finally have a clue as to what it could be after looking here. What exactly are the contol arms and bushes? I told the serviceman at BMW about this and he also mention some rubber part might need to be replaced because it could be worn, is this the bushes? ghead
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#6 (permalink) Old 03-04-2004, 03:36 AM
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For otamara67:

This is a pic of my car with PowerFlex bushes:



Control arms are the components with boomerang design.
The blue round component is one of two bushes.
You can see the control arm is fixed in.

If your steering wheel still shakes when trying to brake at high speeds,
probably you must replace bushes. Try PowerFlex bushes.
PowerFlex bushes uses the huretane material that is very hard.
Originale bushes uses a very soft rubber.

Check also control arms!!!!

Frequently must be replaced.

See this link:

http://www.bimmerworld.com

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#7 (permalink) Old 03-05-2004, 10:47 AM
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I can understand why the bushings may need to be replaced, but why would the control arms need replacing?

Dan
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#8 (permalink) Old 03-05-2004, 10:59 AM
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Control arm has been fixed in three points.

The first ones is the bush, the others are rubber component.

When Bush fails, rubber component has an incorrect movement and fails.

Rubber component has been fixed directly in control arm and can't replace it!

You must replace the control arm.

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#9 (permalink) Old 03-05-2004, 03:47 PM
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Quote:
Originally posted by ss3964spd@Mar 5 2004, 11:27 AM
I can understand why the bushings may need to be replaced, but why would the control arms need replacing?

Dan
actually the control arms usually dont need to be replaced, the ball joints do. if all 4 ball joints were shot, at around $40 a piece it would cost almost as much as just buying a new control arm (about $90 a piece)
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#10 (permalink) Old 03-05-2004, 04:04 PM
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I have not found a place that sells the ball joints without the control arm. I have a bad outer ball joint now and would like to replace just the joint if I can. If you know of a place that sells the ball joint only for an e46 please let me know. Currently control arms for the e46 run about $110 each.
Ben

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#11 (permalink) Old 03-05-2004, 07:04 PM
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Quote:
Originally posted by Mach 5@Mar 5 2004, 04:44 PM
I have not found a place that sells the ball joints without the control arm. I have a bad outer ball joint now and would like to replace just the joint if I can. If you know of a place that sells the ball joint only for an e46 please let me know. Currently control arms for the e46 run about $110 each.
Ben
here's a link for $48 e46 ball joints http://catalog.alloembmwparts.com/?year=20...h_button23.y=11
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#12 (permalink) Old 03-08-2004, 03:39 AM
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Central ball joint can't be replaced.
It has been fixed in control arm

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#13 (permalink) Old 03-08-2004, 11:47 AM
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If the car is still under warranty, will the dealer replace the control arm under warranty?
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#14 (permalink) Old 03-08-2004, 02:28 PM
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Quote:
Originally posted by Beantown330i@Mar 8 2004, 12:27 PM
If the car is still under warranty, will the dealer replace the control arm under warranty?
yes, unless they can prove that it was damaged from a pothole, curb, or anything that would be your fault
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#15 (permalink) Old 03-08-2004, 04:58 PM
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Quote:
Originally posted by MrM3@Mar 5 2004, 06:44 PM
here's a link for $48 e46 ball joints http://catalog.alloembmwparts.com/?year=20...h_button23.y=11
Thanks for the link. But the only ball joint listed for a 2000 328ci is for the rear control arm to wishbone upper. I need the outer ball joint on the right front control arm.
Ben

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