What Causes the Steering Column Noise in BMW?
2 Answers
BMW steering column noise occurs because when the steering wheel is turned, if the mutual gap is too small, there will always be friction. Causes of steering column noise: The bearing at the end of the steering column connected to the universal joint is damaged. Severe bearing wear causes significant wobbling of the central shaft core. During steering wheel rotation, the lower end of the steering column moves with the steering wheel, and the large wobble of the central shaft leads to scraping between the gear teeth on the shaft inside the steering wheel lock and the edge of the steering wheel lock hole, resulting in rotational noise. Solutions for steering column noise: Friction between the steering column and floor mats: Sometimes, aftermarket floor mats are too large and come into direct contact with the steering column, causing friction when the steering column rotates. This is quite common and can be resolved by adjusting or replacing the floor mats. Faulty clock spring inside the steering wheel: Those who have disassembled the steering wheel should pay extra attention, as the clock spring may be broken or its connector may not be properly secured. Replacing the clock spring or securing the connector can fix the issue.
I'm all too familiar with that clicking sound under the steering wheel – just helped a friend fix his 3 Series. This is indeed a common issue with BMWs, especially those over five or six years old. From my inspection, the noise usually comes from three areas: a loose universal joint inside the steering column tube (this connects the steering wheel to the steering gear); or dried-up lubricant in the column tube bearing, causing friction sounds when turning; sometimes it's loose airbag wiring harness clips inside the steering wheel making metal-on-metal contact. If it only happens on bumpy roads, it might be a loose steering column bracket or worn bushings. Don't ignore it – prolonged neglect could accelerate wear or even affect steering feel. My advice: take it directly to a BMW dealership or specialist shop to get the car on a lift for proper diagnosis. You really can't pinpoint the exact issue without removing the underbody panels in this area.
