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      11-16-2012, 06:31 PM   #64
ign335i
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Drives: 335i e92
Join Date: Nov 2012
Location: CA

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Quote:
Originally Posted by E90Company View Post
Is it the sound of the bearings, or the compressor making contact with the housing due to worn bearings?
To be honest I don't know. Either way it is a failure of the bearing/slop that causes the sound. I would defer to Tony though considering his company has been in the turbo business for almost 40 years.
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