Quote:
Originally Posted by Clavurion
Actually I've many times seen that the bearing whining gets worse on the side which has less load (inside when turning).
One trick is to rotate the wheel and have finger on the coil spring to feel snapping or light vibration. (Of course can't be used if you have air springs.)
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I've seen that happen too.
The wheel bearings on the E53 are very large, double-race puppies and can be hard to diagnose. In the case of my failed right-rear, it was just a little pitting in the outer bearing race only - easy to feel the roughness once it was out of the car - but impossible to detect with the mass of the rotating parts attached.