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Old 10-26-2006, 01:25 PM   #1
j2los
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Default Is this a BOV?! If it is, what do I need to get rid of it?

I thought it was an aftermarket BOV, but as I started looking into getting the stock BPV and trying to see which BOV I had, it looked to me like the BOVs and whatnot were way larger in diamter than what I had (more like tennis ball diameter).

What I have is about quarter sized diameter and it says TurboXS. It has a small hose connecting the bottom of it that comes from under the intercooler, and a small hole on top. All signs still point to BOV, it just seemed odd that I couldn't find it anywhere and that everything I saw looked much larger. Also it doesn't really make a very loud noise. There's kind of a whoosh, but I can't tell if it's the normal whooshing of the intake or something else. It's not very pronounced.

Attached is a picture of where this is mounted in my engine bay (it is not my car...)

http://i14.tinypic.com/4ckcdc4.jpg

What all EXACTLY do I need to get the stock BPV back if this is really a BOV? I see people talking about elbow connections or something, I don't know what that is, I just need to know EVERYTHING I need to revert it to stock. Thanks
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Old 10-26-2006, 01:33 PM   #2
Ryan314
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That's not a BOV. What you see there is a Manual Boost Controller... I think.
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Old 10-26-2006, 01:34 PM   #3
anthonywrx
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Default

no thats the factory boost line from the pic, in 04+ they changed them, but yea you are ok bud if thats the case


snap a few pics of YOUR car and we can help ya
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Old 10-26-2006, 01:36 PM   #4
j2los
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crap. that doesn't sound good. don't those need to have proper tuning for reliable use? my car has turboxs engine management too. do these work in conjunction or what?
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Old 10-26-2006, 01:37 PM   #5
j2los
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Quote:
Originally Posted by anthonywrx View Post
no thats the factory boost line from the pic, in 04+ they changed them, but yea you are ok bud if thats the case


snap a few pics of YOUR car and we can help ya
thats just a picture to show where in my car it is mounted. i think ryan is correct. now that i've searched turboxs boost controller, it looks like one of those.
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Old 10-26-2006, 01:37 PM   #6
anthony_delprete84
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haha, ur bov is in front of the intercooler. Why would it be all the way over there? Please donate ur car to charity. Ever try reading the manual? Very useful tool.
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Old 10-26-2006, 01:37 PM   #7
anthonywrx
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Quote:
Originally Posted by j2los View Post
crap. that doesn't sound good. don't those need to have proper tuning for reliable use? my car has turboxs engine management too. do these work in conjunction or what?
until i see actual engine bay i won't be able to tell ya what is going on. get a few pictures of the engine bay and put them up, so we can get a 100% understanding of what part(s) you are talking about.

Quote:
Originally Posted by anthony_delprete84 View Post
haha, ur bov is in front of the intercooler. Why would it be all the way over there? Please donate ur car to charity. Ever try reading the manual? Very useful tool.
he's saying about the part that he circled, he is also saying how it might be a mbc, so lets wait and see what his actual engine bay looks like
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Old 10-26-2006, 01:43 PM   #8
j2los
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Quote:
Originally Posted by anthony_delprete84 View Post
haha, ur bov is in front of the intercooler. Why would it be all the way over there? Please donate ur car to charity. Ever try reading the manual? Very useful tool.
Yes, thanks. I do try to do as much reading as possible. As a matter of fact, reading the BOV FAQ and the attached How-To on installing the intercooler hoses and BOV tipped me off that maybe what I had wasn't a BOV. However, I could not be sure as I am a NOOB. The next step would be to ask someone... People are USUALLY another good resource as they can sometimes be a reliable way of getting information when it is not documented somewhere clearly. In this particular case, I think this method has failed, which is unfortunate, as it is in the NOOB forum.
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Old 10-26-2006, 01:43 PM   #9
06 Scooby
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get us some pics of the actual part so we can help
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Old 10-26-2006, 01:46 PM   #10
AlxSti
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yea man.. thats def a txs manual boost controller... your stock bov is that gold thing on the drivers side of the intercooler
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Old 10-26-2006, 01:48 PM   #11
j2los
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It looks like this picture of the basic TurboXS boost controller, but doesn't have that valve on the side, only on the bottom.

http://www.turboxs.com/uploaded_images/333.jpg

I will try to get actual pictures of my car, but I don't have a camera. I'll have to wait until tonight when I can borrow my girlfriend's.

(The picture in the original post is NOT my car, just a picture I got from google images so I could show WHERE in the engine bay the part in question was mounted)
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Old 10-26-2006, 01:49 PM   #12
epaplia
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IMO the OP is right on for wanting to learn about what he has...... He's definitely not going the wrong way about this.
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Old 10-26-2006, 01:51 PM   #13
anthonywrx
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well he has E/M so i'm guessing the car was tuned for it?
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Old 10-26-2006, 01:56 PM   #14
j2los
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Quote:
Originally Posted by anthonywrx View Post
well he has E/M so i'm guessing the car was tuned for it?
I think my EM only has a normal stage II map. So this sort of thing does need to be tuned in conjunction with the EM? What if I wanted to get rid of it? Can't boost be controlled just by the EM? Is it easy to remove?

I want my STi to last a while. It runs well now, but I am concerned about future reliability. I probably should have done more research on mods before i purchased this car.

It might be interesting to note I got the wastegate ported because I thought I had boost creep from my TBE. It seems to settle on 1bar now like it's supposed to, but was the boost actually more a result of the controller than the TBE!? It was hitting 1.5 bar before.
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Old 10-26-2006, 02:00 PM   #15
subyguy04
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i have an 04 w/ the turbo xs MBC and that is not it... i have that same piece mounted in the same spot. i'm not sure what the piece is exactly but it is a stock device

here is a pic of my engine bay w/ my MBC mounted in the same spot and you can see it's much larger than the piece you have there now... my MBC covers that piece so it's really hard to see in the picture but i guarantee you it's there


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Old 10-26-2006, 02:02 PM   #16
j2los
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Quote:
Originally Posted by subyguy04 View Post
i have an 04 w/ the turbo xs MBC and that is not it... i have that same piece mounted in the same spot. i'm not sure what the piece is exactly but it is a stock device
Quote:
Originally Posted by j2los View Post
(The picture in the original post is NOT my car, just a picture I got from google images so I could show WHERE in the engine bay the part in question was mounted)
Sorry, I haven't been clear.
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Old 10-26-2006, 02:04 PM   #17
epaplia
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From that picture, the BOV is right under where the red "i" on STi is painted on your I/C. Its brass colored and round. It has a little hose conecting it.
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Old 10-26-2006, 02:08 PM   #18
j2los
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Thanks, I'm pretty sure I do have the stock BPV in that case, and I'm also pretty sure that what I have is a TurboXS boost controller. I guess I just need to do some more reading on boost controllers now.
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Old 10-26-2006, 02:14 PM   #19
rkramer
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Quote:
Originally Posted by anthony_delprete84 View Post
haha, ur bov is in front of the intercooler. Why would it be all the way over there? Please donate ur car to charity. Ever try reading the manual? Very useful tool.

he was asking a simple question... i suggest YOU might want to give the manual a read once. You obviously haven't, as the standard subaru manual included in every car makes no mention of a blow off valve. Better yet, I'm 99% sure the shop service manuals do not mention BOV's either. Do some research, stock subaru's do NOT come with a blow off valve, so no, it is NOT in front of the intercooler.

and finally, since you caught me a on good day to rant, in a custom setup there is no reason the BPV or BOV needs to be bolted to the intercooler anyway. You could just as easily have it anywhere you want, and just run pipe to it.
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Old 10-26-2006, 02:41 PM   #20
boostinscooby
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Its an ABC which comes with the turbo xs utec. Its not a mbc or a bov. LOL Now start reading your TurboXS Utec manual and you got a lot of learning to do.

This is a picture of what comes with a Utec EM system.

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Old 10-26-2006, 02:54 PM   #21
j2los
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Yes, that's it!! Thank you! I am relieved that it is a part of the EM and not yet another potentially damaging mod. Unfortunately, I don't have the manual for any of the mods on my car, so this is why I was not able to identify it.

This is a great relief actually that I have neither an aftermarket BOV or boost controller, as I have read subbies don't take well to either of those mods. Thanks!
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Old 10-26-2006, 02:56 PM   #22
Silentdawn
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glad you got it figured out.
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Old 10-26-2006, 02:58 PM   #23
j2los
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Quote:
Originally Posted by Silentdawn View Post
glad you got it figured out.
What is in the picture boostinscooby posted is without a doubt exactly what I have. I do have the TurboXS EM, so it makes sense.

I have to ask though, what does ABC mean and what does it do?
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Old 10-26-2006, 03:06 PM   #24
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http://turboxs.com/downloads/sti_utec_v2_3b.zip

Download the manual above and start reading! You are very welcome.

Brett
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Old 10-26-2006, 03:09 PM   #25
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DARN IT PEOPLE!!! STOCK EQUIPPED WRX/STI's DON'T HAVE BOV's. WE HAVE A BPV ( by-pass valve).

The thing recirculates. It doesn't let off into the atmosphere.
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