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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 06-23-2015, 06:13 PM
wjwwelch wjwwelch is offline
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Location: Arkansas
 
Join Date: Jun 2015
Posts: 3
Mein Auto: 2006 Bmw x3
X3 vibration

So I am new to forum and this is my first bmw. After 1 month of no issue at all. I have developed a vibration what seems to me comes from drive shaft or transmission. Can some one help me diagnose. First it started after I got an inspection and oil change. My vibration starts at about 30mph on up to about 80mph. I'll be cruising down the interstate highway and left off the accelerator and vibration will stop. Press gas and will start again. This is not a real bad vibration, but it does make things in the rear view mirror blurry. The transfer case is having issues when accelerating over 3000 rpm. Could this be the drive shaft or transfer case or transmission. I will tell you that it is nothing to to do with tires or an alignment. It's not a vibration in the front of the car. It's below the seats or closer to the back of the car. Anybody had these issues.
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  #2  
Old 06-24-2015, 04:46 AM
timarnold timarnold is offline
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Location: Maryland
 
Join Date: Sep 2009
Posts: 655
Mein Auto: 2003 bmw 525i
The 3 most likely culprits are; Seized U Joint on the driveshaft, failed Center Support Bearing on the driveshaft or worn/torn Guibo (flex coupling between driveshaft & transmission). They all 3 require dropping the driveshaft. Usually the Center Support bearing manifests itself at lower speeds. Unfortunately, you have to remove the heat shielding and drop the back of the exhaust system to see very much. You can barely see the rear U joint where it attaches to the differential. If it has failed there will either be a bit of play in it or you will see an orange powder over about half of the U Joint.
The orange dust is a result of fretting corrosion caused by a seized U Joint
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