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Old 01-19-2013, 01:30 PM
TechWrench TechWrench is offline
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Location: Glenville, NY
 
Join Date: Nov 2011
Posts: 20
Mein Auto: '99 540i, '02 X5 3.0i
Quote:
Originally Posted by Buzz110 View Post
I have a 2006 X5 4.8is. During a hard acceleration from a stopped or rolling position my vehicle sometimes makes a load bang noise emitting from the rear. I have recently replaced the subframe bashing with polyurethane ones and also two rear differential bushings. Does anyone have any other suggestion? Are there any other common problems that I can look into?
Do a search on it, but it sounds like it could be the main drive chain inside the transfer case. It is a known problem with these chains stretching with time, and under acceleration they jump a tooth on the sprocket, making the noise.
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