BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - DIY: Understanding the N55 PCV Valve of Doom

vespa · 10-04-2018, 12:23 AM

Hey Captain, sounds like you have a boost leak. I don't think there's any reasonable way for the PCV / valve cover to cause a SES or loss of power, and it usually sounds like dolphins at idle, not farting under power.

10-04-2018, 12:23 AM	#5
vespa First Lieutenant 217 Rep 245 Posts Drives: 2011 335i Join Date: Dec 2014 Location: Thousand Oaks iTrader: (0)	Hey Captain, sounds like you have a boost leak. I don't think there's any reasonable way for the PCV / valve cover to cause a SES or loss of power, and it usually sounds like dolphins at idle, not farting under power.
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