Blow off valve for n55?

jmkworld · 10-27-2010, 03:35 PM

anyone know if there are any blow off valves for the n55 yet?

D.B.S · 10-27-2010, 03:52 PM

There won't be one anytime soon. The Diverter valve is an electronic valve that is built into the engine, unlike the N54 which had an external spring driven valve... It won't be as easy (or cheap) to make a DV or Blow off valve for the N55...

IcebergM4 · 10-27-2010, 04:28 PM

Would a BOV even be a good idea for the N55 because of the stock single turbo?

Someone please enlighten me on this.

jmkworld · 10-30-2010, 05:25 PM

anyone hear of any manufacturers trying to produce a bov for the n55 yet?

D.B.S · 10-31-2010, 12:53 AM

And I quote from the N55 manual:
Diverter valve
"...The number of components has been greatly reduced by positioning the diverter valve on the turbocharger compressor housing."

The Only way you are going to have a replacement DV or BOV is if someone is willing to redesign the entire turbocharger compressor housing. THIS is nothing like the N54 where you could simply replace the stock DV's with a BOV or FORGE's DV's... BOV's and DV's run you about $300-$500, something of this magnitude would run you upwards of $1000 or more (from the manual, the whole housing and turbo would need to be replaced, just for the BOV effect)... But maybe an expert can chime in on this...

TMR · 10-31-2010, 01:21 AM

Not only because the diverter valve is on the turbo but it is now a MAF car, which means it will run like crap if you install an open atmosphere bov.

michaelthepsycho · 10-31-2010, 03:38 AM

Are you going for the sound? It's already there. Turn off your music and get on boost, you'll hear the hiss.

dicker · 10-31-2010, 11:43 AM

The DV is louder on the N55 anyway, it's cool without being obvious

D.B.S · 11-01-2010, 01:52 PM

Quote:

Originally Posted by dicker

The DV is louder on the N55 anyway, it's cool without being obvious

+1.. I can hear it on mine all the time when I turn the music off...

purpl3ish · 11-01-2010, 03:55 PM

same here i hear it too..but kinda wanted a BOV =/

itsbrokeagain · 11-01-2010, 04:10 PM

yup not gonna happen yet. The diverter is real similar to an audi or a 997TT diverter but those are vacuum operated whereas ours are electronic.

klipseracer · 11-01-2010, 04:58 PM

Quote:

Originally Posted by TMR

Not only because the diverter valve is on the turbo but it is now a MAF car, which means it will run like crap if you install an open atmosphere bov.

+1. This is really the main reason IMO. Once you have to start fooling around with this type of stuff, then the justification for putting a bov is gone. You've spent more money on a nearly unfunctional modification than its really worth. I had a BOV but my car is MAP. Once you eject that metered air out into the atmosphere, you're car will run real rich and stumble.

Sedan_Clan · 10-30-2013, 04:31 PM

Good information!

Curare86 · 10-30-2013, 06:26 PM

Wow old thread bump! With the upcoming turbo upgrades that will change. Vargas hybrid has custom forge BOV

Andrewe92 · 11-05-2013, 01:04 PM

I don't think it's worth even seeking one with some boost it sounds great to me.. open your window lol even under stock boost

Walker16 · 09-06-2014, 10:55 PM

Sorry to bump a old post but I came across this...

http://m.ebay.com/itm/190900700142?cmd=VIDESC&gxo=true

Is the n55 part of there listing a mistake or is this something that we could use?
I read a few n55 bov threads and because of the position of the maf sensor a bov seamed pointless.

birry335 · 09-09-2014, 07:47 PM

please god...no...

Dark_Knight_335 · 09-09-2014, 08:00 PM

Just get a BMS intake...you drown out any Subie and Civic within a one mile radius with that turbo spool.....*Whooosh!!!*

Kwike92M3 · 09-10-2014, 05:52 PM

Quote:

Originally Posted by Walker16

Sorry to bump a old post but I came across this...

http://m.ebay.com/itm/190900700142?cmd=VIDESC&gxo=true

Is the n55 part of there listing a mistake or is this something that we could use?
I read a few n55 bov threads and because of the position of the maf sensor a bov seamed pointless.

Find where that will go on your car and i will buy it for you.

gia1 · 08-12-2024, 07:40 PM

Hi i know this is an old thread but why am i getting this error code if it has no blow-off valve or can you point me in the right direction to fixing this thanks.

2010 bmw 335i E93 N55 convertible right hand drive car.

Using AutoPhix hand held scan tool:
2C8A - Blow-off valve, activation: line disconnection.

10-27-2010, 03:35 PM	#1
jmkworld Captain 54 Rep 627 Posts Drives: 2013 x3 Join Date: Sep 2010 Location: Boston iTrader: (3)	Blow off valve for n55? anyone know if there are any blow off valves for the n55 yet?
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10-27-2010, 03:52 PM	#2
D.B.S Lieutenant Colonel 30 Rep 1,748 Posts Drives: '11 X5 35i / '13 S5 Join Date: Jun 2009 Location: Deployed to Kuwait iTrader: (2)	There won't be one anytime soon. The Diverter valve is an electronic valve that is built into the engine, unlike the N54 which had an external spring driven valve... It won't be as easy (or cheap) to make a DV or Blow off valve for the N55... __________________ BMW X5 35i: Boopie Exhaust & Intercooler, K&N Drop in Filter, JB3 (3+ psi) 2013 Dodge Challenger R/T: CAI, Catch Can, Custom Exhaust, Headers, 87MM Throttle Body, Diablo Custom 93 OCT Tune
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10-27-2010, 04:28 PM	#3
IcebergM4 Major 368 Rep 1,060 Posts Drives: '23 M4C Join Date: Jun 2009 Location: SoFlo iTrader: (1)	Would a BOV even be a good idea for the N55 because of the stock single turbo? Someone please enlighten me on this.
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10-30-2010, 05:25 PM	#4
jmkworld Captain 54 Rep 627 Posts Drives: 2013 x3 Join Date: Sep 2010 Location: Boston iTrader: (3)	anyone hear of any manufacturers trying to produce a bov for the n55 yet?
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10-31-2010, 12:53 AM	#5
D.B.S Lieutenant Colonel 30 Rep 1,748 Posts Drives: '11 X5 35i / '13 S5 Join Date: Jun 2009 Location: Deployed to Kuwait iTrader: (2)	And I quote from the N55 manual: Diverter valve "...The number of components has been greatly reduced by positioning the diverter valve on the turbocharger compressor housing." The Only way you are going to have a replacement DV or BOV is if someone is willing to redesign the entire turbocharger compressor housing. THIS is nothing like the N54 where you could simply replace the stock DV's with a BOV or FORGE's DV's... BOV's and DV's run you about $300-$500, something of this magnitude would run you upwards of $1000 or more (from the manual, the whole housing and turbo would need to be replaced, just for the BOV effect)... But maybe an expert can chime in on this... __________________ BMW X5 35i: Boopie Exhaust & Intercooler, K&N Drop in Filter, JB3 (3+ psi) 2013 Dodge Challenger R/T: CAI, Catch Can, Custom Exhaust, Headers, 87MM Throttle Body, Diablo Custom 93 OCT Tune
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10-31-2010, 01:21 AM	#6
TMR Brigadier General 398 Rep 3,159 Posts Drives: M3 Join Date: Jun 2008 Location: Torrance iTrader: (12)	Not only because the diverter valve is on the turbo but it is now a MAF car, which means it will run like crap if you install an open atmosphere bov. __________________ 2015 M3 BPM Tuned, Eibach, Magnaflow and more www.tmrmzine.com/m3/f80 SOLD E92 Slēk Carbon Fiber Widebody M3 www.tmrmzine.com/m3/slek/ SOLD E92 335i Stage 3+ with all the toys www.tmrmzine.com/335/ SOLD E39 M5 Modded, What a great car! www.tmrmzine.com/m5/
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10-31-2010, 03:38 AM	#7
michaelthepsycho Lieutenant Colonel 81 Rep 1,644 Posts Drives: 11 Montego Blue E90 335i Step Join Date: May 2009 Location: CA iTrader: (4)	Are you going for the sound? It's already there. Turn off your music and get on boost, you'll hear the hiss. __________________ Former car 2011 BMW 335i Step - Montego Blue / Chestnut Brown
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10-31-2010, 11:43 AM	#8
dicker Captain 70 Rep 847 Posts Drives: F80 6MT Join Date: Apr 2008 Location: SoCal iTrader: (8)	The DV is louder on the N55 anyway, it's cool without being obvious
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11-01-2010, 03:55 PM	#10
purpl3ish Major 785 Rep 1,069 Posts Drives: 2023 G80 Velvet Orchid M3 Join Date: Sep 2007 Location: Brooklyn, NY iTrader: (9)	same here i hear it too..but kinda wanted a BOV =/
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11-01-2010, 04:10 PM	#11
itsbrokeagain 311 Rep 15,745 Posts Drives: 1999 528iT, E53 X5, E46 325xi Join Date: Mar 2007 Location: Strong Island iTrader: (7)	yup not gonna happen yet. The diverter is real similar to an audi or a 997TT diverter but those are vacuum operated whereas ours are electronic.
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10-30-2013, 04:31 PM	#13
Sedan_Clan Law Enforcer 26977 Rep 22,707 Posts Drives: '22 Chalk Gray Porsche C2S Join Date: Jun 2006 Location: ..in your rearview!!! iTrader: (26)	Good information!
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10-30-2013, 06:26 PM	#14
Curare86 Captain 57 Rep 680 Posts Drives: 135i Join Date: May 2012 Location: perth iTrader: (0)	Wow old thread bump! With the upcoming turbo upgrades that will change. Vargas hybrid has custom forge BOV
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11-05-2013, 01:04 PM	#15
Andrewe92 enthusiast 120 Rep 997 Posts Drives: 2011 e92 lci 335xi Join Date: Feb 2012 Location: NJ iTrader: (0) Garage List 2011 bmw 335 xdrive [10.00]	I don't think it's worth even seeking one with some boost it sounds great to me.. open your window lol even under stock boost
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09-06-2014, 10:55 PM	#16
Walker16 First Lieutenant 45 Rep 313 Posts Drives: '11 335i Join Date: Jun 2013 Location: Livermore, Ca iTrader: (4) Garage List 2011 BMW 335i [9.00] 2010 BMW 335i -RIP- [0.00]	Sorry to bump a old post but I came across this... http://m.ebay.com/itm/190900700142?cmd=VIDESC&gxo=true Is the n55 part of there listing a mistake or is this something that we could use? I read a few n55 bov threads and because of the position of the maf sensor a bov seamed pointless.
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09-09-2014, 07:47 PM	#17
birry335 Private 1 Rep 61 Posts Drives: 2011 335i Join Date: Jan 2014 Location: Annapolis, MD iTrader: (0)	please god...no... __________________ 2011 E90 335i JB4-Flex Fuel wires-BMS Intake-Vishnu catless DP-Vishnu CP- M3 Front bumper
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09-09-2014, 08:00 PM	#18
Dark_Knight_335 Came to the N55 Darkside 1131 Rep 12,740 Posts Drives: 2011 335 E93 M-Sport Join Date: May 2010 Location: NY/NJ iTrader: (28)	Just get a BMS intake...you drown out any Subie and Civic within a one mile radius with that turbo spool.....Whooosh!!!
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08-12-2024, 07:40 PM	#20
gia1 New Member 0 Rep 5 Posts Drives: BMW E46 325i Join Date: Aug 2022 Location: Bahamas iTrader: (0)	Hi i know this is an old thread but why am i getting this error code if it has no blow-off valve or can you point me in the right direction to fixing this thanks. 2010 bmw 335i E93 N55 convertible right hand drive car. Using AutoPhix hand held scan tool: 2C8A - Blow-off valve, activation: line disconnection.
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