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I know exactly what you are talking about because i have the same problem. Unfortunately i havent been able to pinpoint the problem- I hear this noise mainly when i am going slow such as up my driveway or in a carparking lot. I'm taking my car to BMW on thursday i'll get them to have a look and see what they find- then i'll let you know what they find. In the mean time good luck
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Originally Posted by pyro
I had the same problem - turned out to be a rear wheel bearing. You could easily check it by jacking up the rear of your car. Then remove the rear wheels and start the car + put it in gear. Then step out and listen to the noises. If it's the grinding noise that seems to be emitted by one of the axels, then it's almost certainly a bad bearing
will do tomrow thanks for the hint
Hi Pyro,
Took my car to BMW today and they had a look at that noise- they say its a centre bearing, will cost around $180.00 for the parts. thats Aussie dollar
explain what your grinding noise was. was it only when starting from a stop? I think it may be the same thing with me (thats what my firend said) also i think the trans mounts could be shot to. Ill give it alook
...the driveshaft would grind against the heat shield above the resonator/exhaust. It would grind loudest when decelerating.
And quiet down mostly on accelleration. All center bearing failures don't sound the same, it depends on how bad it is. Its a $30 part and a few hours of labor, not real hard, just time consuming.
That would be the most common failure anyway, could be the other things people have mentioned also.
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Originally Posted by pyro
Ok my grinding noise was most noticed when driving slowly, like around a car parking lot or something like that- not only from a start to stop, but up and downQuote:
Originally Posted by pyro
I could only hear it when going really slowly.
How did you go with your car Pyro??
i inspected the bushings used a pry bar to try and wiggle the trans... all solid drive shaft seems to be VERY soid. im mind boggled to what it may be...