BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Best way to cap off tee on vacuum line.

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      05-12-2012, 04:14 AM   #1
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Best way to cap off tee on vacuum line.

Hey guys,

About to install a AA BOV in my car, and heard people breaking the brass nipple on the manifold hen connecting the vacuum line. So I heard people saying don't touch that and instead cap off one of the other side where the Y tee is.

Is this the safest way? Also what Gould I use to cap one side of tee.. Normal tape?

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      05-12-2012, 07:32 AM   #2
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2007 e90 335i  [1.00]
cut the line while on the niple with a blade very simple
2007/1 e90 335i jet black

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      05-12-2012, 07:32 AM   #3
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Mine came off pretty easy, and I ran a new vacuum line. However my vacuum lines were glued to the diverter valves and I didn't realize, breaking one of the nipples off while trying to remove the line. Be prepared for a ton of oil in your charge pipe.
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