2nd Gear Member
Join Date: Apr 2005
Location: Montreal, Canada
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When dealing with a vibration that is drive line related you should look at the following in descending order (process of elimination always takes the guess work out of things):
Wheel balance (tire flat spots etc etc)
Brakes (warped discs)
universal joint on the drive shaft going to the diff
the yolk or smaller 'drive shaft' entering the diff
the seal at the diff
drive shaft balance?
If these are rules out then you need to travel forward along the drive train. towards the tranny and outwards from the diff... drive axles (sorry thats what we call those things going from diff to wheels)
Universal joint you can check by slipping underneath yor car and checking for movement between yolk and shaft.
What year is your vehicle and have you changed your clutch ever or recently? Clutch slippage sometimes reveals itself as a shudder... just a thought.
"If everything seems under control, you're just not going fast enough."
- Mario Andretti
1979 320is RiP
1994 318is Sold
1995 325is Sold
1995 530i Sold