Possible drive shaft issue

[laidback93]

Driving on my way to work and start to notice a bone jarring vibration shaking the entire car when I got above 60mph. I have 90 325is manual.

The vibration stops when I completely lift off the throttle.

Am I having a drive shaft failure? I think I've isolated the source of the vibration to the rear end of the car. This makes me suspect the diff as well.

I've had this E30 for almost a year and this issue just started today. There were no warning signs.

Is it safe to drive back home which is 50 miles away? I plan to take the back road in order to keep it under 60. The vibration is so bad I need a spinal adjustment!

Hope someone can shed some light.

[Sea Aych]

Is it only happening when you accelerate? Or is it speed or RPM dependent?

First go underneath and see if your guibo is shredded. if you have a flashlight and a mirror, you may be able to see the CSB behind the heat shield too.

[laidback93]

Is it only happening when you accelerate? Or is it speed or RPM dependent?

First go underneath and see if your guibo is shredded. if you have a flashlight and a mirror, you may be able to see the CSB behind the heat shield too.

Only under acceleration. As soon as I lift off the throttle it goes away. I'll go see what I can see here in a minute.

PS. Thanks to whoever moved this thread to the appropriate forum.

[CrashandBurn]

Either Guibo or the center support bearing is shot.

[laidback93]

Either Guibo or the center support bearing is shot.

Pretty sure that is the case even though I swear the PO replaced both. I mean why would you go to all the trouble of doing a Auto to Manual swap and not do that?

Thanks for the feedback so far.

I plan to get her looked at the beginning of October.