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Posts: 12
Join Date: Sep 2014
Car: 2007 335i Msport
Default 06-21-2018, 08:20 PM

Originally Posted by Payam @ BMS
Have you opened it up and checked the diaphram, clean and lubricated all moving components?
^ This.

When I bought the Tial BOV, it must have been sitting on the shelf for a very long time. I had to open the BOV and the diaphram was stuck inside, after a good nudge it started moving as per normal again.

Clean up, close up and re-install on the CP.
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