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Old 02-14-2011, 07:52 PM
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fun2drive fun2drive is offline
BMWCCA 149159
Location: Panhandle of Florida
 
Join Date: Nov 2005
Posts: 2,617
Mein Auto: 335 vert//M3/4/ 13Outback
It sounds like the drive shaft is causing this because it is out of balance. Whether it is caused by some drive line issues or possible installation issue is tough to say.
I don't know if the guibo being bolted to the drive shaft is critical or not but looks like it would be worth checking too...
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