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BMW 3-Series (E90 E92) Forum
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Bump steer. Steering issue
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10-01-2023, 01:16 PM | #1 |
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Bump steer. Steering issue
E90 330i 2006 (late 2005 build).
I've been having bump steer (steering on its own left or right when going through various road imperfections). Put the car on the lift multiple times, inspected with my mechanic all front suspension parts ... Bottom & upper arms, tie rods are looking perfect. Absolutely 0 play, all joins with no cracks or anything. I've replaced both upper control arms in the past as they were shot, done alignment with no success. I'm in the dark. No clue what could be the issue. My mechanic thinks it might be steering rack itself, although he isn't 100% sure. Also, I do not have any other issues with steering (except its a bit heavy, but I think it's normal. Changed power steering reservoir and fluid recently). Actually, at high speed (90+ miles/h) car isn't stable anymore. It feels like there's a little play. This is likely related. Any ideas anyone? Any experiences? |
10-02-2023, 01:51 AM | #5 |
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10-02-2023, 01:04 PM | #6 |
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That's a likely culprit. Those would be pretty old if they're still original.
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10-02-2023, 01:12 PM | #7 |
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I’ve had bump steer issues fixed with new shocks in the past. Another good way to tell is by looking at your bump stops. If they’re rotting/worn away, it’s a good indication that you’re due for new dampeners.
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10-02-2023, 10:49 PM | #8 |
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2006 model year with 95k mile dampers? You'll likely benefit from new struts and shocks
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10-03-2023, 03:30 AM | #9 |
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