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Old 02-22-2012, 11:48 AM
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Jason5driver Jason5driver is offline
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Location: Middle of a corn field
Join Date: May 2007
Posts: 4,496
Mein Auto: E39 hamster w/ pin-wheel
Originally Posted by bimmerteck View Post
I believe your on the right track, although it looks good installed you will likely find that the PCV valve from the 1.8T is not a good match for your motor due to it being engineered for a forced induction application.

The valve you're using was never meant to regulate manifold vacuum as the 1.8T uses the suction within the turbo's intake for PCV function, not manifold vacuum.

Makes sense...

So, what would be the correct PCV to use on the M54?
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