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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 discussion



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      05-24-2012, 12:28 PM   #1
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BOV discussion

Hey ok so I'm in the market for a BOV/charge pipe set. I looked to see if were a BOV thread, and unless the don't work, could not find one. This would be a good STICKY for those looking to purchase different BOV/CHARGE PIPE set ups:

Format (its simple):
1) BOV/CHARGE PIPE BRAND
2) PIC
3) VIDEO CLIP (this is probably the most important since everyone wants to hear what it sounds like.

Lets see/hear em guys/girls!!!!
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      05-24-2012, 02:09 PM   #2
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+1 bump
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      05-24-2012, 03:18 PM   #3
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Evolution Racewerks chargepipe is by far your best option

Tial BOV is the most popular for function and tame sound
HKS BOV if you want LOUD
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      05-24-2012, 11:38 PM   #4
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Synapse Engineering 335 bov kit. Pictures are mine, vid from YouTube.

http://synapseengineering.pinnacleca..._Kit-19-0.html

Attached Images
  
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      05-25-2012, 07:42 AM   #5
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Search 'bmw bov' on youtube... That 'll be a good place to start
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      05-25-2012, 08:54 AM   #6
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Go with AA bov kit or go home, u won't be disappointed!
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      05-26-2012, 10:31 PM   #7
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Quote:
Originally Posted by skim7x View Post
Search 'bmw bov' on youtube... That 'll be a good place to start
I know that....But its good to have something like this on the forum. This is not for me in particular this is for everyone.

Quote:
Originally Posted by Lemans 335i View Post
Go with AA bov kit or go home, u won't be disappointed!
I know that...I like that one
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      05-27-2012, 01:29 AM   #8
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I read somewhere on the forum that bovs on n54s are actually counterproductive.
Is this true? I dont even know what a bov does besides noise tbh.
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      05-27-2012, 01:49 AM   #9
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http://www.e90post.com/forums//showt...=147979&page=4

worth a read
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      05-28-2012, 12:59 AM   #10
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hey please lets make this thread a debate, this thread was made for pics and videos for BOV/DV. If there are additional questions please PM, search, or create a new thread. Thanks. Lets please try to keep this thread clean.
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      06-05-2012, 11:54 AM   #11
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bump.....anyone would like to contribute pics/vids to the discussion?
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      06-08-2012, 01:34 PM   #12
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Any advantages for a BOV setup on a stock engine? I like the sound.
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      06-10-2012, 09:27 AM   #13
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Quote:
Originally Posted by WilliamLAdams View Post
Any advantages for a BOV setup on a stock engine? I like the sound.
It depends on the configuration of the BOV. I recommend a 50/50 valve if you are after the sound and must have some VTA on a stock engine.
The factory plastic valves leak so there is a proven performance gain when replacing them.
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      06-10-2012, 12:30 PM   #14
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  • Evolution Racewerks Black Anodized Charge Pipe
  • Forge Diverter Valves (Yellow Springs for COBB Stg. 2+ Boost Levels)

Picture:
ER Charge Pipe connection to the OEM throttle body & Forge DV connection into ER Charge Pipe
**Replaced the DV Vacuum Hose b/c the OEM Hose wouldn't fit the Forge nipple

Length wise shot of the ER Charge Pipe connecting to the OEM throttle body & Helix FMIC piping


I went w/ the DV set up for for 3 reasons:
  1. DV was the manufacturers original set up
  2. I like the silent sound of the DVs, I didn't want my car to be confused as a "Fast & Furious" set piece
  3. The Forge DV's can be serviced & repaired (the springs won't last for ever and eventually will start dumping boost early). A BOV cannot be serviced and once it stops holding boost, the entire unit ($$$) needs to be repaired. A Forge DV service kit is $20

Last edited by benzy89; 06-10-2012 at 02:29 PM.
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      11-21-2012, 11:53 AM   #15
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i was looking through my threads and figured I'd bump this one.
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      11-21-2012, 12:23 PM   #16
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CPE charge pipe with Tial BOV

http://youtu.be/NQAQW1A6hwo
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      11-21-2012, 12:35 PM   #17
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I have the STETT chargepipe n Synapse BOV setup, photos in the same section under my topic. Will try to take a video of it.

sound's not as loud as HKS, but you can hear it on the inside with windows close, and will hear a little ' 'psssst'
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      02-08-2013, 07:36 PM   #18
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Does it feel like you lose power when installing a BOV vs a bypass?
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      02-08-2013, 08:15 PM   #19
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Quote:
Originally Posted by MSport35TT
Does it feel like you lose power when installing a BOV vs a bypass?
No.
Op: Can't go wrong with any of the offerings. My vote goes for Tial, most proven and durable out there. Also not annoying like some of the others.
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      02-09-2013, 12:36 PM   #20
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Quote:
Originally Posted by MSport35TT View Post
Does it feel like you lose power when installing a BOV vs a bypass?
Our cars are MAP based, not MAF so there is no power loss. VTA is just noisier and you have the potential to vent methanol fumes, althought I don't think anyones ever had a problem with it. When I ran my bov, (z shift), people always asked what was wrong with my car and when I was going to get it fixed.

I even put a greddy type R on, although we don't push enough air with these little turbos to run it.

Greddy Type R at 15 PSI - It made this woosh sound or a flutter from barely being able to open the valve.


Here is the Z Shift, ignore the lights, its TPMS and Catless dp's with no fix:


Here is the z shift again. Again, the lights are from having catless dp's and I don't have my Tire pressure sensors installed:

Last edited by klipseracer; 02-09-2013 at 12:41 PM.
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      02-09-2013, 12:56 PM   #21
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Quote:
Originally Posted by PeteW84 View Post
Synapse Engineering 335 bov kit. Pictures are mine, vid from YouTube.

http://synapseengineering.pinnacleca..._Kit-19-0.html

Thats Clean!
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      02-09-2013, 01:17 PM   #22
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Tial is probably the most popular, followed by Synapse. Tial is probably the quietest BOV, so if you want the Big BOV noise Tial is probably not the one for you. HKS is pretty popular in terms of sound.

Mike
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