Weird wobbly sound from (i think) gearbox

hipperboxer448

Newbie
American Zeds
Joined
Jan 6, 2026
Points
1
Location
Ohio, USA
Model of Z
2.8L Z3 wide body
Hey everyone I have a 1998(pre April) Z3 2.8 and have done extensive amounts of revival on it.
Now I have a problem where the car when in neutral, backing up or accelerating in low RPMs it makes a really obnoxious wobbling sound..
The drive shaft freely turns about 30° both ways when its parked and makes a similar clanking sound when I turn it side to side by hand. What do you think the problem is.. I was thinking it was the bearing at the back of the gear box drive shaft coupler.

Any information would be greatly appreciated!!
 
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