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      04-15-2011, 02:32 AM   #100
Big Tom
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Drives: 335i n54 e92 MT
Join Date: Mar 2009
Location: Västerås

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Quote:
Originally Posted by Joshboody View Post
i think this check valve is to prevent off boost pcv side from causing a vacuum in the boosted side (OCC side). Tom, you mentioned paper will stick to the outlet from suction. The cc cannot cause a vacuum. just my 2 cents
You will get vaccum from the crankcase regardless if the checkvalve is there or not.

My theory is that this checkvalve is there to prevent the boost spike coming from the DV's.
...and I'm using BOV's so I will not be affected by this issue.

Last edited by Big Tom; 04-15-2011 at 02:37 AM..
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