N54 VTT Valve Cover PCV Routing

DASN54

Specialist
May 27, 2019
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Pismo Beach, CA
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2008 Jet Black E90 335i
I want to throw my new Cast VTT valve cover on, however I need to sort out my PCV situation first. Currently I have a high side CC on with the RB PCV valve and vented oil cap.

With my new setup I have a standard oil cap and two ports on the cover that need to go to catch cans. I have two catch cans, some fittings and the block off kit for the vacuum ports in the head. I want this to be simple but effective. I'm thinking of running one port to a catch can then the outlet to my rear inlet (like i have it now), then the other port to the second catch can and the outlet to the throttle body, will this work? I'm assuming i need to add a external PCV in the two hoses leaving the valve cover?

The more I read and think about this the more I confuse myself. WTF. Help please.
 

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The Convert

Captain
Jun 4, 2017
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335
Go back to the VTT web store and purchase the rest of the kit they recommend. You’ll need a check/metering valve on both the high and low sides unless your venting them to atmosphere. Easiest thing is to just buy their kit and call it done.

Good looking VC btw.
 
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DASN54

Specialist
May 27, 2019
62
25
0
Pismo Beach, CA
Ride
2008 Jet Black E90 335i
Go back to the VTT web store and purchase the rest of the kit they recommend. You’ll need a check/metering valve on both the high and low sides unless your venting them to atmosphere. Easiest thing is to just buy their kit and call it done.

Good looking VC btw.

Word, that's what I was thinking, 1 click and be done with it rather than trying to make what I have work. Plus their dual can setup looks pretty nice too. Thanks man, got it off a fellow forum member.
 
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fmorelli

Lieutenant General
Staff member
Aug 11, 2017
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E89 Z4 35i, F10 535d
And since you bought their products, just ask Chris @ VTT if you need advise - they know their setup well.

Filippo
 

miller335i

Private
Aug 1, 2017
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Bmw 335i e90 2007
I have the CNC Billet one, and after installation massive smoke. before none. Is that a vacuum issue?
 

miller335i

Private
Aug 1, 2017
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0
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Bmw 335i e90 2007
Exhaust at idle after startup. After driving it a bit it goes away. Turn the car off, wait, and it smokes again at startup. Catch can installed.