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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > What is this?



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      05-06-2015, 03:57 PM   #1
335iNavyGuy
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What is this?

Its some kind of air hose on top of the Valve Cover, It was really brittle and i cracked it so i need a new one but no clue what it is.

The hose itsself is whats broken. Im sure i can glue it but i would rather replace it.



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      05-06-2015, 03:58 PM   #2
djbobbless
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Blow by vent hose.

Part #11157553949
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      05-06-2015, 04:00 PM   #3
FL335
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Quote:
Originally Posted by djbobbless View Post
Blow by vent hose.

Part #11157553949
This. Replace it with a new one if you're running an aggressive tune...replace the PCV while you're at it. RB makes a nice replacement.
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      05-06-2015, 04:13 PM   #4
335iNavyGuy
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Quote:
Originally Posted by djbobbless View Post
Blow by vent hose.

Part #11157553949
Thanks!
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      05-07-2015, 07:02 AM   #5
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That hooks up to the place that an oil catch can installs to. I would not replace that OEM part, but buy an oil catch can especially since you have the N54.

Just my $.02
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      05-07-2015, 08:24 AM   #6
Dark_Knight_335
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One of the biggest problems with the oil catch can is it sacrifices this piece during the installation process.

I'm not sure if it effectively replaces this valve, but if it does, then I suppose it's a non-issue.
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