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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 > RB Turbo N54 PCV valves now available



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      06-18-2013, 01:07 AM   #1
Rob@RBTurbo
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RB Turbo N54 PCV valves now available

Hey guys I get messages on these quite often and there's not much information on the valves or how to purchase on this forum, so I figured I'd put this info out there for those who maybe interested:
http://www.e90post.com/forums/showthread.php?t=850517

Thanks,
Rob
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      06-18-2013, 07:53 AM   #2
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yes rob good thing i ve ordered it last week....
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      06-18-2013, 08:16 AM   #3
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So this is basically a PCV valve from another make and a machined adapter to make it fit?

What is the replacement interval going forward with this?

Will you give out the PCV valve part number or what model of car/engine this is off of so we can replace it going forward, or will we be required to buy another PCV from RB?
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      06-18-2013, 08:29 AM   #4
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Quote:
Originally Posted by brusk View Post
So this is basically a PCV valve from another make and a machined adapter to make it fit?

What is the replacement interval going forward with this?

Will you give out the PCV valve part number or what model of car/engine this is off of so we can replace it going forward, or will we be required to buy another PCV from RB?
He fabricates these himself I believe.
And it should last the life of your car.
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      06-18-2013, 08:29 AM   #5
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Quote:
Originally Posted by Rob@RBTurbo View Post
Hey guys I get messages on these quite often and there's not much information on the valves or how to purchase on this forum, so I figured I'd put this info out there for those who maybe interested:
http://www.e90post.com/forums/showthread.php?t=850517

Thanks,
Rob
Ill probably order another for the other n54 in the stable, i assume payment is just to your paypal per usual? Thanks-great upgrade btw guys, just have to be a bit careful when installing.
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      06-18-2013, 08:44 AM   #6
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These are good questions. You are correct the PCV and Seal are adapted in from another application that I believed to be a better fit to be called an upgraded valve on this engine. The custom adapter I've made makes it to where it can be used on an N54 engine. All of the components are cleaned and then assembled using a sealant that makes them essentially one piece. However it would be possible to take time and clean up all of the surfaces and replace the internal components while reusing the adapter if so desired. This could end up taking some time, but some have more time than $$ and it could be of benefit to them.

On the note of replacement interval this is a PCV valve and overall engine health can affect when replacement is necessary. At times a thorough cleaning may be all you need, at other times a replacement would be prudent. All of that aside I'd personally recommend replacement at 50k mile intervals either way.

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Originally Posted by brusk View Post
So this is basically a PCV valve from another make and a machined adapter to make it fit?

What is the replacement interval going forward with this?

Will you give out the PCV valve part number or what model of car/engine this is off of so we can replace it going forward, or will we be required to buy another PCV from RB?
I would not say they'd last the life of the car. I'd recommend keeping PCV valves operating tip top, and replacing every 50k or so.

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He fabricates these himself I believe.
And it should last the life of your car.
Agree. I've sold quite a few of these things in the past couple years. Initially it was just a idea and then it kind of took off so to speak. Everyone seems to love them. But you are correct there are a few who have broken the PCV housing cap while overtightening during reassembly. You really need to be careful to not crank down the cap, it will break. It seals by O-ring, not excessive torque, so a minor hand snug with a wrench is all that is needed.

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Ill probably order another for the other n54 in the stable, i assume payment is just to your paypal per usual? Thanks-great upgrade btw guys, just have to be a bit careful when installing.
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      06-18-2013, 09:30 AM   #7
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So, you sell rb turbos without being a sponsor for how long? Now, you are a silver level sponsor and you have multiple sell threads and products? If you are going to profit from the community, you should support it as well.
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      06-18-2013, 09:35 AM   #8
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Thanks for the splendid advice. Point well taken.

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So, you sell rb turbos without being a sponsor for how long? Now, you are a silver level sponsor and you have multiple sell threads and products? If you are going to profit from the community, you should support it as well.
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      06-18-2013, 09:36 AM   #9
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If oil catch , pvc valve should be replaced every 50k miles ???
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      06-18-2013, 09:39 AM   #10
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The Oil Catch Cans operate independently of the PCV valve and should not be affiliated with one another. My personal recommendation is to swap PCV valves at 50k intervals, some may say longer, some may say shorter. Ultimately PCV system health could lengthen or shorten the actual interval.

Rob

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If oil catch , pvc valve should be replaced every 50k miles ???
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      06-18-2013, 09:51 AM   #11
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Ok mee i ve got some problem with the check valve...which was very very dirty!!
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      06-18-2013, 10:03 AM   #12
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The check valve hose (about $25 new from the dealer) and the PCV valve are fairly cheap potential solutions to some problems out there. If in doubt, replace them and see if it helps out.

Rob

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Ok mee i ve got some problem with the check valve...which was very very dirty!!
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      06-18-2013, 10:52 AM   #13
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If OCC , no need to replace hose check valve ???
Because new hose from occ will be connect instead of it ??
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      06-18-2013, 11:04 AM   #14
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I'm sorry. I just don't understand what you are asking.
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      06-18-2013, 11:06 AM   #15
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Maybe hose from occ connect after the pvc check valve?
But like pvc check valve is one unit with hose integrated

You see that i mean ??
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      06-18-2013, 11:12 AM   #16
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Wish I did. Too much of a language barrier for tech talk. Sorry buddy.

Just follow instructions provided from whatever you are running for whatever you have purchased I guess.

Rob

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Maybe hose from occ connect after the pvc check valve?
But like pvc check valve is one unit with hose integrated

You see that i mean ??
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      06-18-2013, 11:14 AM   #17
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Yes i m not very good in my english...
But pvc check valve is one unit with hose integrated not ?
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      06-18-2013, 11:22 AM   #18
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The check valve is integrated into the $25 hose (where the OCC's are installed). The PCV is located in the back of the valve cover under a screw on cap. They are in different locations, and work different functions in of the engine PCV system.

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Yes i m not very good in my english...
But pvc check valve is one unit with hose integrated not ?
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      06-18-2013, 11:29 AM   #19
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Ok so for install OCC just unplug hose not on side check valve.
Plug new hose out from occ where you are unplug, and other hose in occ to hose at extremity oposed at the check valve
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      06-18-2013, 11:33 AM   #20
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Quote:
Originally Posted by kiteboy View Post
Yes i m not very good in my english...
But pvc check valve is one unit with hose integrated not ?
Maybe this picture will help.

#9 is the hose.


#2 is #9 in the part diagram above.
#1 is where the RB PCV goes (inside that cap)
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      06-18-2013, 11:35 AM   #21
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Yes i know this my explain consit just 2
When occ raccording, is 9 is necessary or not? I think yes and you must connect at the extremity oposed to check valve
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      06-18-2013, 11:39 AM   #22
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Quote:
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Yes i know this my explain consit just 2
When occ raccording, is 9 is necessary or not? I think yes and you must connect at the extremity oposed to check valve
Sorry to clutter your thread Rob.

You still need it. With most OCC's you remove the hose and still use the valve and attached the OCC hose to it.
The valve/hose can only be purchased as one part from BMW.
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