Thread: DIY: Understanding the N55 PCV Valve of Doom
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      10-18-2016, 02:19 PM   #7
vespa
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Drives: 2011 335i
Join Date: Dec 2014
Location: Thousand Oaks

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Wow! That's crazy! This must be a pretty common problem if they are making repair kits for it. I sure am curious to figure out what is causing this failure.

Has anyone had a PCV failure without either JB4ISO or an improper boost-leak test?
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