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Suspension & Braking Forum by BimmerWorld
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Old 06-28-2015, 11:39 AM   #1
TaylorL99
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Join Date: Feb 2012
Location: Dothan, AL
Posts: 37
My Ride: 2005 BMW 330i ZHP
Help diagnosing steering wheel play

Ok guys, I am looking for some help diagnosing an issue I have on my car. I have a 2005 330i ZHP with 135k miles. While driving on the interstate, the steering wheel has a little bit of play in it, but the main problem is that the tires seem to catch or pull when going over any bumps or even a slight rise in the road. It's to the point where I feel uncomfortable holding the steering wheel with one hand. It feels like I have to over correct the steering wheel to stay straight on the road.
A little bit about the car: I have replaced the FCAB @ 99K, rear trailing arm bushings at 99K, steering coupler @ 108k, tie rods @ 108k, suspension rebuild with koni yellow shocks/struts with mounts, reinforcement plates, bump stops, etc... Aligned after all @ 128k. At 132k I noticed wear on the inside front tires and had it realigned after the shop said it was noticeably off. One thing of note, my front left, front right, and back right wheels are slightly bent possibly causing the vibration in the steering wheel at high speeds. They have been this way for probably 50k miles. (i need to get them fixed).
The two main wear items I have found doing research are the FCAB, tie rods, and steering coupler, all of which have been replaced within 36k miles. Can anyone help me out as to what is causing this 'steering/alignment' issue??


EDIT: I also noticed some creaking/groaning from the rear suspension when going over bumps at a low speed, like pulling in a driveway. Probably not related but...

Thanks in advance

Last edited by TaylorL99; 06-28-2015 at 12:07 PM. Reason: additional info
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Old 06-29-2015, 01:58 PM   #2
TaylorL99
Registered User
 
Join Date: Feb 2012
Location: Dothan, AL
Posts: 37
My Ride: 2005 BMW 330i ZHP
Anything? I am thinking it may be the ball joints on the control arms. That is the only thing that hasn't been replaced, could it be causing the tramlining? Is it really necessary to replace the actual control arms instead of just the bushings?
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