Question about 2004 BMW 3 Series
The car needs to go on a lift to have the back axle and suspension checked out. The BMW 3 series is rear wheel drive and it is possible that the sound you are hearing is a bad universal joint in the driveshaft or there is a problem with the rear diff.
Another thing to be aware of with the 3 series is that owners have reported problems with the rear subframe cracking and making noise like you describe.
However, given your experience with the noise happening at different times in relation to how drive is applied, the most likely cause is a problem in the drive train as I mentioned earlier.
Have the car examined as soon as possible on a lift as the longer you leave this the higher the risk of damage to other components.
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
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