03-19-2012, 12:56 PM
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Join Date: May 2011
Rides:1997 Hellrot m3
Region: USA - West
Originally Posted by MagicM3
I personally dont think insulation, (non Metallic substrate) could cause that noise. I agree with whoever said it is probably the driveshaft itself. Calvin can confirm that my noise was nearly identical. When I replaced the DS with a new CSB The noise is gone. Are you sure its all gone? Very strange....
If you end up going with a new DS, Don't go anywhere except BMW replacement driveshaft, remanufactured BMW driveshaft, BMW drive shaft
These guys were great to work with and were fast and affordable. I believe that they have a warehouse in CA too!
Hopefully you won't need to go that route though!
Yep, for sure completely gone. It was just the guibo catching on the insulation and the insulation banging on the driveshaft. I was able to recreate the sound from liftin and dropping the insulation. In case anyone was unfamiliar the insulation is quite stiff. Its like a hard dried out cardboard / thin particle board material. Its solid crap