procede and bov

luckyD · 10-08-2007, 12:44 PM

hi mi the only one who read this , i see all this guys talkign about puting bov on the 335, yet at vishnu tuning site you can see

"Q: I am very interested on installing a BOV (Blow-off Valve), is that going to be a problem?
A: It is best for one to resist the temptation of installing an aftermarket BOV as our cars were not designed to release excess boost pressure into the atmosphere. Doing so will effect the PROcede’s tuning and cause the car to run poorly. The car was designed to recirculate that excess air back into the intake system. Bleeding off the air that was accounted for by the MAF sensor will confuse everything. "

can someone explain this

scalbert · 10-08-2007, 12:49 PM

Old information as we do not have a MAF. Albeit, I do recall a post a while back about someone having an issue with the PROcede and an aftermarket BOV. But I sure there are several who have both and have no issues.

down4it · 10-08-2007, 12:57 PM

I have been running a BOV and procede since the procede came out for the 335... Everything works fine with no error codes or anything... Now i have the procede and 2 BOV's and everything still works great

Bravo1 · 10-08-2007, 12:59 PM

I think the issues that some people reported were related to boost surge, but then I am not a big fan of aftermarket bov's especially in a road course type of environment.

BoostedBMW · 10-08-2007, 01:09 PM

Think about it for a second. The less that someone can mess up under the hood, the less of a headache it is for the guys at vishnu when trying to diagnose problems that may or may not be caused by their product. From their point of view, the less that people run BOVs, the less calls they will get from people saying that something is wrong with their car, which may not even be due to the procede at all, but maybe an incorrectly installed BOV, a vac leak, etc. With that said, many people run BOVs without a problem.

stressdoc · 10-08-2007, 01:20 PM

The issue involves the extent to which the plastic diaphram OEM valve can handle the higher boost levels attained with V2. If it can't, then an aftermarket BOV may be a good way to go.

luckyD · 10-08-2007, 01:34 PM

so im still lost maybe Shiv can explain should i go with bov or not?
please Shiv give us you 2 cents on this .post

BoostedBMW · 10-08-2007, 01:37 PM

Quote:

Originally Posted by luckyD

so im still lost maybe Shiv can explain should i go with bov or not?
please Shiv give us you 2 cents on this .post

Shiv has posted before that he got compressor surge at partial throttle with a tial BOV so he doesn't recommend them. I run a bov, as well as many other members on this forum, and I have never experienced this before. The only way that I can see this happening is if you are running the wrong spring on a tial.

2007_E93 · 10-08-2007, 11:57 PM

I'm kinda new to tuning so if this is a naive question please forgive,...Wound't a new BOV "fix" the limpmode issue with the surge noted by others at the speed limiter and rapid decel from redline in cars running v2?

HyperM3 · 10-09-2007, 10:48 AM

Ive been running the Tial on my car with Procede and no problems. No loss of boost and no surge. Plus it looks pretty when you open the hood.

Sniz · 10-09-2007, 11:15 AM

Quote:

Originally Posted by 2007_E93

I'm kinda new to tuning so if this is a naive question please forgive,...Wound't a new BOV "fix" the limpmode issue with the surge noted by others at the speed limiter and rapid decel from redline in cars running v2?

I think it may, but like everything else you change on your car it has to be tuned correctly otherwise it will cause MORE problems.

de.abeja · 10-09-2007, 11:32 AM

The original info from the site was flawed, and I agree with the above posters in regards to insufficient spring pressure on an aftermarket BOV being the root cause of problems.

Kinda OT but I had disconnected the recirc. valves and enjoyed the sound for a while. I then reconnected the valves and noticed a decrease in MPG to the tune of about 20-40miles. Just thought I would share.

luckyD · 10-09-2007, 12:10 PM

i finally got answer yesterday that thing about not runing bov is bullshit its just like somebody said they dont want you to puit on so they wont gte calls that are not related to procede but people may think that are

Walked U · 10-09-2007, 02:12 PM

Im not much of a fan on the BOV's. But if I do sport one it would be the hks ssqv. But my waste gate would have to be upgraded also.

HyperM3 · 10-09-2007, 02:16 PM

Quote:

Originally Posted by Walked U

Im not much of a fan on the BOV's. But if I do sport one it would be the hks ssqv.

Out of curiosity, why would you choose the HKS over all the others?

Walked U · 10-09-2007, 02:23 PM

Quote:

Originally Posted by HyperM3

Out of curiosity, why would you choose the HKS over all the others?

Just a preference. Nothing special. I have a few supra and 3000 gt friends that run the HKS BOV's with a tial waste gate and it has a unique sound to it. Other than that I like the end product ect.

But when the upgraded DV's come out, ill most likey upgrade to that.

HyperM3 · 10-09-2007, 02:25 PM

Quote:

Originally Posted by Walked U

Just a preference. Nothing special. I have a few supra and 3000 gt friends that run the HKS BOV's with a tial waste gate and it has a unique sound to it. Other than that I like the end product ect.

Fair enough, thats all I was asking for.

Quote:

But when the upgraded DV's come out, ill most likey upgrade to that.

I plan to do the same.

Former_Boosted_IS · 10-10-2007, 06:07 AM

Quote:

Originally Posted by Walked U

Just a preference. Nothing special. I have a few supra and 3000 gt friends that run the HKS BOV's with a tial waste gate and it has a unique sound to it. Other than that I like the end product ect.

But when the upgraded DV's come out, ill most likey upgrade to that.

I owned an SSQV too on my Turbo IS300. I have heard a video of it on a 335i and it sounds very quiet. Part of me wonders if this is the difference between the smaller turbos on this car and the large 60 trim turbo I had.

BoostedBMW · 10-10-2007, 07:19 AM

Quote:

Originally Posted by Former_Boosted_IS

I owned an SSQV too on my Turbo IS300. I have heard a video of it on a 335i and it sounds very quiet. Part of me wonders if this is the difference between the smaller turbos on this car and the large 60 trim turbo I had.

The difference is probably in the amount of boost that you were running. I had a tial on my turbo s2k and it was pretty quiet since I was only running 7-8psi, but I heard the same BOV on my friends S2K with a headgasket and 12-14psi and it was significantly louder.

HyperM3 · 10-10-2007, 08:12 AM

Quote:

Originally Posted by BoostedBMW

The difference is probably in the amount of boost that you were running. I had a tial on my turbo s2k and it was pretty quiet since I was only running 7-8psi, but I heard the same BOV on my friends S2K with a headgasket and 12-14psi and it was significantly louder.

Exactly. Im only hitting high 13's in boost on this car and the BOV is decently quiet compared to the BOV on my a4 when I was hitting 21lbs of boost.

Former_Boosted_IS · 10-10-2007, 09:36 AM

Quote:

Originally Posted by BoostedBMW

The difference is probably in the amount of boost that you were running. I had a tial on my turbo s2k and it was pretty quiet since I was only running 7-8psi, but I heard the same BOV on my friends S2K with a headgasket and 12-14psi and it was significantly louder.

Still the boost on the v.2 is over a bar or so, and the video I heard was very quiet compared to what the SSQV sounded like with a bar on my 60 trim. 1 bar on a 35 trim turbo and 1 bar on a 60 trim turbo are night and day difference though.

BoostedBMW · 10-10-2007, 10:59 AM

Quote:

Originally Posted by Former_Boosted_IS

Still the boost on the v.2 is over a bar or so, and the video I heard was very quiet compared to what the SSQV sounded like with a bar on my 60 trim. 1 bar on a 35 trim turbo and 1 bar on a 60 trim turbo are night and day difference though.

Well, I guess it also has to do with how much more CFM the larger turbo will push at the same psi of boost compared to a smaller turbo. Maybe that amounts to an audible difference?

10-08-2007, 12:44 PM	#1
luckyD Second Lieutenant 27 Rep 298 Posts Drives: 335 Join Date: Sep 2007 Location: east coast iTrader: (-1)	procede and bov hi mi the only one who read this , i see all this guys talkign about puting bov on the 335, yet at vishnu tuning site you can see "Q: I am very interested on installing a BOV (Blow-off Valve), is that going to be a problem? A: It is best for one to resist the temptation of installing an aftermarket BOV as our cars were not designed to release excess boost pressure into the atmosphere. Doing so will effect the PROcede’s tuning and cause the car to run poorly. The car was designed to recirculate that excess air back into the intake system. Bleeding off the air that was accounted for by the MAF sensor will confuse everything. " can someone explain this
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10-08-2007, 12:49 PM	#2
scalbert Major General 153 Rep 5,780 Posts Drives: '13 S4, '15 Q7 Join Date: Feb 2007 Location: Woodstock, GA iTrader: (8)	Old information as we do not have a MAF. Albeit, I do recall a post a while back about someone having an issue with the PROcede and an aftermarket BOV. But I sure there are several who have both and have no issues.
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10-08-2007, 12:57 PM	#3
down4it Banned 63 Rep 1,743 Posts Drives: E92 335i Join Date: Jul 2007 Location: SoCal iTrader: (3)	I have been running a BOV and procede since the procede came out for the 335... Everything works fine with no error codes or anything... Now i have the procede and 2 BOV's and everything still works great
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10-08-2007, 12:59 PM	#4
Bravo1 Private First Class 1 Rep 114 Posts Drives: Accord Join Date: Sep 2006 Location: Lafayette, LA iTrader: (0)	I think the issues that some people reported were related to boost surge, but then I am not a big fan of aftermarket bov's especially in a road course type of environment.
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10-08-2007, 01:09 PM	#5
BoostedBMW Moderator 133 Rep 6,775 Posts Drives: TiAg E92 335 Join Date: Oct 2006 Location: Raleigh, NC iTrader: (14) Garage List 2003 S2000 [0.00]	Think about it for a second. The less that someone can mess up under the hood, the less of a headache it is for the guys at vishnu when trying to diagnose problems that may or may not be caused by their product. From their point of view, the less that people run BOVs, the less calls they will get from people saying that something is wrong with their car, which may not even be due to the procede at all, but maybe an incorrectly installed BOV, a vac leak, etc. With that said, many people run BOVs without a problem. __________________ -Michael. Berlina Black S2000 CR is now in the garage l 19" Rial Daytona Race l KW V2 l Eisenhaus Race Exhaust l
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10-08-2007, 01:20 PM	#6
stressdoc Moderator 618 Rep 10,855 Posts Drives: BMW i8; Toy 4runner TRD pro Join Date: Jun 2005 Location: Waco TX iTrader: (0)	The issue involves the extent to which the plastic diaphram OEM valve can handle the higher boost levels attained with V2. If it can't, then an aftermarket BOV may be a good way to go. __________________ My recent ED photos: http://f80.bimmerpost.com/forums/sho....php?t=1026808 my not-so-recent ED: http://www.e90post.com/forums/showthread.php?t=31829 Please join BMWCCA http://bmwcca.org/index.php?pageid=c...&ref_by=300279
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10-08-2007, 01:34 PM	#7
luckyD Second Lieutenant 27 Rep 298 Posts Drives: 335 Join Date: Sep 2007 Location: east coast iTrader: (-1)	so im still lost maybe Shiv can explain should i go with bov or not? please Shiv give us you 2 cents on this .post
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10-08-2007, 11:57 PM	#9
2007_E93 Captain 19 Rep 604 Posts Drives: ? Join Date: Jun 2007 Location: ? iTrader: (0)	I'm kinda new to tuning so if this is a naive question please forgive,...Wound't a new BOV "fix" the limpmode issue with the surge noted by others at the speed limiter and rapid decel from redline in cars running v2?
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10-09-2007, 10:48 AM	#10
HyperM3 Too many Alex's, from now on, call me Beaufort 342 Rep 6,188 Posts Drives: See Sig Join Date: Feb 2007 Location: Lawrenceville, NJ iTrader: (8)	Ive been running the Tial on my car with Procede and no problems. No loss of boost and no surge. Plus it looks pretty when you open the hood. __________________ 13 HD FatBob 17 A4 Glacier/Black 1st Edition/Pre+/Sport/EurocodeTMD/Racechip 16 S6 (gone),14 S6 (gone),14 S6 (gone),13 S6 (gone),10 S4 (gone) 07 335i(gone)
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10-09-2007, 11:32 AM	#12
de.abeja First Lieutenant 5 Rep 301 Posts Drives: 335 sedan Join Date: May 2007 Location: San Diego iTrader: (0)	The original info from the site was flawed, and I agree with the above posters in regards to insufficient spring pressure on an aftermarket BOV being the root cause of problems. Kinda OT but I had disconnected the recirc. valves and enjoyed the sound for a while. I then reconnected the valves and noticed a decrease in MPG to the tune of about 20-40miles. Just thought I would share.
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10-09-2007, 12:10 PM	#13
luckyD Second Lieutenant 27 Rep 298 Posts Drives: 335 Join Date: Sep 2007 Location: east coast iTrader: (-1)	i finally got answer yesterday that thing about not runing bov is bullshit its just like somebody said they dont want you to puit on so they wont gte calls that are not related to procede but people may think that are
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10-09-2007, 02:12 PM	#14
Walked U Brigadier General 179 Rep 3,125 Posts Drives: Too many to list Join Date: Nov 2006 Location: USA iTrader: (5)	Im not much of a fan on the BOV's. But if I do sport one it would be the hks ssqv. But my waste gate would have to be upgraded also. __________________ Previous - E90 335i, E82 135i, E89 Z4 3.5SI, Range Rover S/C, Ultra White RCF, Maserati Granturismo Current Lexus: SMG LC500 performance package Porsche:1973 911E Ferrari 575 SA, 458 Italia
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