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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Bov help



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      02-23-2012, 08:09 AM   #1
qmup508
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Bov help

Just need a quick answer please
Just got the aa. Charge pipe with bov
What do I do with the 2 oem bov hoses? Or are they diverter valves. But still I don't know what to do with these 2 hoses unless it deletes them
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      02-23-2012, 01:28 PM   #2
BlackBB6
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Do you mean the skinny vacuum lines or the larger ribbed hoses?

Skinny vacuum lines:
They should join with a t connector and then go to a nipple on your manifold. You remove the line from the manifold nipple (gently, don't break the nipple off) and replace it with the single line that goes to the AA Bov.

Diverter valve hoses:
Disconnect them and cap off 2 openings with vacuum caps.
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      02-23-2012, 01:35 PM   #3
BoostedE90
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Not the best written instructions...

http://www.activeautowerke.com/pdf/A...ff%20valve.pdf

Last edited by BoostedE90; 02-23-2012 at 01:40 PM..
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      02-23-2012, 10:26 PM   #4
qmup508
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Thanks guys installed it took only like 45 mins but everything works great. The hoses just get capped off. Now I'm wondering if I should take the Oem vacum line off and replace it with the aa one? Not sure if it would make a difference
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      02-24-2012, 09:00 PM   #5
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Quote:
Originally Posted by qmup508
Thanks guys installed it took only like 45 mins but everything works great. The hoses just get capped off. Now I'm wondering if I should take the Oem vacum line off and replace it with the aa one? Not sure if it would make a difference
I say you use all the hardware you were given and save the OEM stuff.

This way if you ever need to replace a line you have extras lol...
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