T.O. A4 1.8T

I'm thinking of getting one, but I here lots of people say yes you can run one, and lots saying no you cant. What to do? and What kind is the best to run?

Thanks...

[ej257]

You can't do that with a typical BOV. Why would you want to? There is no advantage to a BOV, the only possible explanation is for the blow off sound. You want to risk damage for a ricey sound?

There are some hybrids that will allow you to recirc, GFB for one, or you could do a metal body BPV (Bailey, Forge, Strat) and run a cone intake which will get you the blow off sound.

Search the archives!

Audi2ptzero

if your running so much air out of a big turbo and you end up getting compressor surge when you go to shift with a standard bpv. The bad thing about the bov and a hybrid like the GFB is that when you shift the car dumps fuel out the exhuast and when I mean dumps I am talking 9:1. If you would like I can show you logs that I have with the wide band that shows how the car goes rich during and after a shift. I would not suggest this for anyone running a cat or for street driving.

qfrog Ti20

and who cares about a $1200 catalyst when you can make that sound.

I still dont even understand the obsession with that sound.

Audi2ptzero

At lower boost levels the bov makes a duck sound like its being ran over by a few sets of tires which I cant stand. The wooosh sound can be had by just installing a metal bpv and a cone filter.

Typist Formerly Known as (skene)

There are reasons why vehicles were made with or without one.. and why you never seen one car sold with a BOV.

Think about that for a second.

shrtbus(w/ cq)

car ran great...better response than the TT valve, and it actually seemed to build a tad more boost...

I took it out last week becuse I'm audi assured and the car is going in for service and I don't want anything voiding my warranty...funny thing is I freaking broke my TT valve on the way to an auto-x today so my car was running like crap with a huge boost leak...and you shouldn't run your car with a bov?!?

I'll sell you my forge bov for $100 + shipping...

nightkrawler

he has an exhaust, neuspeed chip, and hybrid bov. he has a tip and ran 17.9 in tip and 17.8 in auto. still cant figure out how he ran those numbers but he did. the bov?? i dont know, nor does he. he says he has it set correctly. the car is designed to use a closed loop turbo system with a bpv so leave it the way it is. if you want the bov sound get a cone filter intake and a piston type bpv. my 2c

EricBss7_CT

Blow-off valve...Bypass Valve...2 different things.

mnemonic

Forge makes a BOV and a BPV.