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Persistent Steering Wobble and Knocking in BMW 5 - Need Help!

Vibrating/shaking steering wheel

I'm experiencing a persistent issue with my BMW 5 where the steering wheel starts to wobble at speeds of 50mph or above, and this wobble intensifies with increasing speed. Additionally, when I apply the brakes, the wheel shakes significantly and there's an almost knocking noise that seems to come from the body of the car. I've already ruled out a warped disc, replaced 2 shock springs, inner and outer tie rod ends, and had the wheels balanced, tracked, and aligned. Despite these efforts, the problem persists and no one I've consulted has been able to identify the cause. Any insights or suggestions would be greatly appreciated. Thanks in advance!

3 comment(s)


CarlyMechanic

Check the control arm bushings for wear or damage, as they can cause steering wobble and knocking noises if they're worn out. If the bushings are fine, inspect the wheel bearings for any play or noise. Let me know how it goes or if you have any further questions!

Carguy (Author)

@CarlyMechanic

Check the control arm bushings for wear or damage, as they can cause steering wobble and knocking noises if they're worn out. If the bushings are fine, inspect the wheel bearings for any play or noise. Let me know how it goes or if you have any further questions!

The control arm bushings are connected to the steering rack are they? Like inner and outer tie rod? I replaced them on the driver side and stopped a knock in the wheel. I’m told it’s because of small marks on my rear discs and my wheel hub assembly on the front. Told it’s 380 each side for wheel hub supplied and fitted. Has to be a cheaper way surely. I can do the discs myself but would need a mechanic for the hubs

CarlyMechanic

@Carguy

The control arm bushings are connected to the steering rack are they? Like inner and outer tie rod? I replaced them on the driver side and stopped a knock in the wheel. I’m told it’s because of small marks on my rear discs and my wheel hub assembly on the front. Told it’s 380 each side for wheel hub supplied and fitted. Has to be a cheaper way surely. I can do the discs myself but would need a mechanic for the hubs

The control arm bushings are separate from the steering rack and tie rods. They connect the control arm to the vehicle's frame and can affect stability if worn. For the wheel hub assembly, you might consider sourcing the parts yourself from a reputable supplier to save on costs, then have a mechanic install them. Ensure the rear discs are smooth and free of marks, as they can contribute to vibrations. Let me know if you have any further questions or updates!

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