Thread: N55 Engine making a loud chirp chirp chirp sound?
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      08-11-2015, 06:44 PM   #3
vespa
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Drives: 2011 335i
Join Date: Dec 2014
Location: Thousand Oaks

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Problem solved. Turned out to be the front main crankshaft seal just like Sara posted in this thread:
http://www.e90post.com/forums/showthread.php?t=629612
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