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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > 2011 N55 BOV. Is this common?



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      10-30-2015, 07:30 PM   #1
Boosted2000Si
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2011 N55 BOV. Is this common?

I purchased a Charge pipe with a BOV flange on it but was unable to locate a Vacuum source to connect the BOV too.

Research is showing me the BOV on the N55 is internal in the turbo?

Has anyone added a BOV to a factory setup simply adding a charge pipe? I just went ahead an got one with a BOV figuring it would be nice with future upgrades, now I am kind of wondering did I "Opps" this? Also why would this be an option if the BOV on an N55 is basically useless?

Any help would be grateful. Thanks!

VFRS CP, Turbosmart Raceport, Cobb AP on stage1 agressive. Im seeing 13psi and the car runs strong. Just no results with the BOV.
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      10-30-2015, 07:48 PM   #2
dannyjones
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I thought only the n54 ones had a BOV option. Which one did you get exactly?
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      10-30-2015, 07:54 PM   #3
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There is no BOV. The N55 has a built in diverter valve, which is similar.
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      10-30-2015, 08:05 PM   #4
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So no way to add an aftermarket BOV that is functional?
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      10-30-2015, 11:34 PM   #5
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You sure the BOV flange isn't a meth bung?
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      10-31-2015, 12:18 AM   #6
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lol I am positive.

Unless the new age meth nozzles are the size of a small firehose then I highly doubt its a meth bung.

Or I may be looking the wrong way and assuming the BOV that came with the pipe was for an imaginary race car I have in another life. If thats the case please point me to my 2200HP Lambo.
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      10-31-2015, 01:25 AM   #7
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You can use the bov if you really want too. Not really necessary at your power level though. There is a kit to do a DV to bov conversion
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      10-31-2015, 01:48 AM   #8
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Your CP shouldn't have a BOV, if it does it's not for a N55 but N54
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      10-31-2015, 03:25 AM   #9
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You should not run a BOV on a N55. That being said, VTT sells or will sell a block off plate for the DV on the turbo and a kit to make the BOV work. If you are dead set on using a BOV look into that.
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      10-31-2015, 12:47 PM   #10
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Recirculating and an intake will give a woosh and sound release pretty audible, unless you are really looking for it to be loud veto g to the atmosphere.
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      11-06-2015, 03:13 PM   #11
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Why would you want a BOV on a n55. The diverter valve does that job in a different manner. Don't be rice and put a bov on an n55. It is unnecessary. If you plan on upgrading the turbo and putting mroe boost through the motor, then upgrade the diverter valve. That's all you need to do. If you want the sound of a bov, sell your 335 and get a honduh.
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      11-06-2015, 05:13 PM   #12
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Quote:
Originally Posted by trixdout View Post
Why would you want a BOV on a n55. The diverter valve does that job in a different manner. Don't be rice and put a bov on an n55. It is unnecessary. If you plan on upgrading the turbo and putting mroe boost through the motor, then upgrade the diverter valve. That's all you need to do. If you want the sound of a bov, sell your 335 and get a honduh.


Thanks for taking time out of your day for stating the obvious.

However I think this is my car so Ill go fuck it in the tail pipe while painting the rims pink with last-dip if I want. Leave it to one of the vendors for knowing my needs and letting me buy an incorrect part to begin with. So guess what? Ill deal with it.

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      11-09-2015, 08:16 PM   #13
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Quote:
Originally Posted by Boosted2000Si View Post
Thanks for taking time out of your day for stating the obvious.

However I think this is my car so Ill go fuck it in the tail pipe while painting the rims pink with last-dip if I want. Leave it to one of the vendors for knowing my needs and letting me buy an incorrect part to begin with. So guess what? Ill deal with it.

Someones a little sensitive and needs a hug......
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      11-09-2015, 08:55 PM   #14
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Quote:
Originally Posted by sy2767 View Post
Someones a little sensitive and needs a hug......
My thoughts exactly. Hopefully those weren't slow claps of his.
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      11-10-2015, 10:02 PM   #15
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Damn guys take it easy on OP.....for fucks sakes not every damn thing on here needs to be a argument. Explain your view respectfully and step. Damn this forum is going to shit
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      11-11-2015, 12:59 PM   #16
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Quote:
Originally Posted by classyfast View Post
Damn guys take it easy on OP.....for fucks sakes not every damn thing on here needs to be a argument. Explain your view respectfully and step. Damn this forum is going to shit


Allow me to explain:
As a car ages, it's value depreciates. After a certain amount of time, these vehicles' greatly lessened costs become affordable to those who desire the facade of prestige and luxury, without having achieved such status themselves. It is at this point, that a great number of children and assholes flood established enthusiast forums, thus shifting the asshole curve outward.
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      11-11-2015, 01:20 PM   #17
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Quote:
Originally Posted by Sidewinderpb View Post


Allow me to explain:
As a car ages, it's value depreciates. After a certain amount of time, these vehicles' greatly lessened costs become affordable to those who desire the facade of prestige and luxury, without having achieved such status themselves. It is at this point, that a great number of children and assholes flood established enthusiast forums, thus shifting the asshole curve outward.
Couldn't have said it better. These clowns don't take two seconds of time to research anything and couldn't tell you their ass from their elbows. What's the best such and such I wanna go fast what do I get
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      11-11-2015, 11:09 PM   #18
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Quote:
Originally Posted by Sidewinderpb
Quote:
Originally Posted by classyfast View Post
Damn guys take it easy on OP.....for fucks sakes not every damn thing on here needs to be a argument. Explain your view respectfully and step. Damn this forum is going to shit


Allow me to explain:
As a car ages, it's value depreciates. After a certain amount of time, these vehicles' greatly lessened costs become affordable to those who desire the facade of prestige and luxury, without having achieved such status themselves. It is at this point, that a great number of children and assholes flood established enthusiast forums, thus shifting the asshole curve outward.
Lol fucking awesome and so damn true.
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      11-12-2015, 07:46 PM   #19
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Quote:
Originally Posted by Sidewinderpb View Post


Allow me to explain:
As a car ages, it's value depreciates. After a certain amount of time, these vehicles' greatly lessened costs become affordable to those who desire the facade of prestige and luxury, without having achieved such status themselves. It is at this point, that a great number of children and assholes flood established enthusiast forums, thus shifting the asshole curve outward.

Here is my car before this 335.


Here is one before the CTS-V


Before the TL-S




While I understand bringing the assholes in but I posted simply asking a question as I was put in a predicament with a limited amount of time I would typically spend researching I had to make a purchase to trying and rectify my problem. Instead of going to the dealer and demanding a replacement under warranty ect I just jumped on a venders site and purchased a part. I figured hell, if I can get a BOV then do it now while the part is broken. Little did I know a diverter valve was built into the housing of the compressor.

I just tried to do the best I could with what was in my lap. Now that I have time I spent more time learning the car and the proper stuff to add.
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      11-12-2015, 07:54 PM   #20
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Lol just switch it for a n55 version and upgraded chargepipe is a good thing since they like to break crack at the worse moment.

As for the noise my friend has an n55 with just the intake his diverter valve is just as if not more audiable then an bov.

That being said swap it and get a bms i take
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      11-12-2015, 07:58 PM   #21
Boosted2000Si
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I am planning on doing that. I picked up my buddies stock CP to hold me over.

Oddly its working pretty decently. I went and put a check valve inline of it to try and hold it closed under boost and little pedal fluctuation and it seemed to make it work perfect haha. Im still going to swap it for the non-BOV pipe.
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      11-13-2015, 10:46 AM   #22
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Quote:
Originally Posted by Boosted2000Si View Post

While I understand bringing the assholes in but I posted simply asking a question as I was put in a predicament with a limited amount of time I would typically spend researching I had to make a purchase to trying and rectify my problem. Instead of going to the dealer and demanding a replacement under warranty ect I just jumped on a venders site and purchased a part. I figured hell, if I can get a BOV then do it now while the part is broken. Little did I know a diverter valve was built into the housing of the compressor.

I just tried to do the best I could with what was in my lap. Now that I have time I spent more time learning the car and the proper stuff to add.
I probably should have noted that I was just commenting on his stating that "this forum is going to shit," and was not at all directing anything at you. I've nothing invested in this matter, other than a silly MS Paint graph
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