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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-02-2013, 03:48 PM   #1
Zaisaroni
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Steering rack or tie rods?



I cannot feel any play in the wheel.

Whenever a single front wheel hits a bump its pretty vicious sounding in my car. I narrowed it down in this video and I've ordered tie rods to replace both sides... Same sound happens when I jack either side off the ground as well.

Tell me it isn't the rack though! Steering rack and tie rods were new - few years and 60k ago. It's not an original spec rack, it was substituted for more feel by the previous owner. Are there tie rod incompatibilities between different E46s?


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Old 06-02-2013, 06:21 PM   #2
BMWCaptain
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Replace your steering guibo first! You cannot see if they are bad, but rivets in rubber get loose over time.
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Old 06-02-2013, 08:20 PM   #3
Zaisaroni
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Steering rack or tie rods?

It was replaced with those other components approximately 50k ago. I suppose a new one is cheap insurance, but I really hear a lot when a single wheel moves. The sound is coming from somewhere in the rack.

This car was was heavily autocrossed with street tires and R-comps throughout it's life as well..


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Old 06-03-2013, 10:02 AM   #4
markusmarkus
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Steering rack or tie rods?

It may sound as if the noises coming from the rack but that may not be true. Have you checked the lower control arms and bushings?


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Old 06-07-2013, 08:13 AM   #5
swawrench
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My vote goes to tie rods. Was the inner and outer changed? I don't know of compatibility differences but I've definitely heard of quality differences. It seems most people recommend Lemforder which is OEM.
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Old 06-07-2013, 08:31 AM   #6
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Check the sway bar endings. I had updated my front end and 2 months later I was hearing a sound when turning and going over bumps. Turned out the swaybar endings had loosened up at the strut connection. Tightened it up, and sound is gone.
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Old 06-08-2013, 04:55 AM   #7
alex230ro
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http://www.realoem.com/bmw/showparts...42&hg=32&fg=30


steering column?nr1 in the link


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Old 06-08-2013, 03:57 PM   #8
Zaisaroni
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Tie rod didn't do it. I noticed there was some rotational play on the rack itself. If I had my wrench on the tie rod end I could spin it a few MM back and forth, and the entire shaft inside the rack would spin as well. I greased and refitted my poly-urethane FCABs which seemed to help with most of the noises under the hood.

Still no slop in the steering, Driveability is good. It's really hard for me to guess it's the sheering shaft as I really didn't hear it coming from there when I was under the car troubleshooting/shooting video.

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Old 07-14-2013, 12:29 PM   #9
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I have the same issue. Turn on the car and see if you can replicate the knock. If you can't the noise is coming from the rack.
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