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      12-07-2012, 06:08 PM   #433
manutdas11
EL JIMMY NEURON
 
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Drives: Jet Black E90
Join Date: Aug 2012
Location: in the Napa Valley/SJ...

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Quote:
Originally Posted by Andrew@ActiveAutowerke
Quote:
Originally Posted by minyime View Post
After few more trials, finally concluded that the drone is caused by (harmonic) vibration. Looks like stock BMW muffler has a bolt-on damper. (#18303413587). Need tp find something similar that can be bolted on a "magic" spot in the exhaust somewhere (since I can't weld!). Those 2 rubber mounts may not be sufficient to handle the driving vibration since I have no drone when I load at P or N.
As soon as we get a car in the shop I will look into this issue.
Great! Keep us posted sir!
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2007 Jet Black E90 328i
Thread: http://www.e90post.com/forums/showthread.php?t=825249
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