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      03-28-2017, 06:32 PM   #20
bbnks2
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Drives: 135i N55
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Quote:
Originally Posted by playground View Post
I linked to the same thread at first, but this is not the same noise. Go back and listen to ops video and then look at the pics he posted. This isnt just a vacumm pump clunking away at idle. Ops knock gets worse with rpms and there are metal shavings throughout the crankcase in the pictures. That is not normal.
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