BMW F30/F31 rumble and vibration while driving
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F31 rumble at a certain speed, even though revs make no difference?
When the noise depends only on speed, the cause is often in the driveline or bearings. Play in the rear propshaft is a known cause of rumble at 110-130 km/h, and replacing the joints can remove it completely.
What can cause F31 steering wheel vibration at around 70-90 km/h?
Possible causes are wheel bearings, front-end bushings and play, and warped brake discs. Rear shock absorbers can also cause thumping on long drives. First find out at what speed the fault occurs.
How is front-end humming above 100 km/h investigated?
Front-end humming is often caused by a wheel bearing. The fault can be at an early stage, when no play can be found yet. Have a workshop check the bearings.
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