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  1. X3 E83 (2004 - 2010)
    My wife noticed an unusual sound coming from the front end of her 2004 X3 2.5 when she drove over sharp speed bumps. I drove it and heard what sounded like a bad shock absorber, difficult to describe but similar in sound to an un-greased torsion bar... that is sort of a groan with a rush of air...
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