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      10-12-2011, 09:11 AM   #1
335iJWC
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HKS BOV! too loud!!

Hey guys

i have the ER chargepipe with the HKS BOV and two meth bugs, i think its too loud for my taste. ive been searching and i know there is inserts you can buy for it, do any off them quite it down.

im running meth so cant go back to stock unless i tap the stock pipe or buy an elbow.
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      10-12-2011, 09:15 AM   #2
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BMW dudes are too sensetive
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      10-12-2011, 09:30 AM   #3
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ill buy ur charge pipe and bov if price is right ; )
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      10-12-2011, 09:38 AM   #4
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Just remove the insert entirely. That is as quiet as it'll get and will eliminate the high pitch sound.
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      10-12-2011, 10:16 AM   #5
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Originally Posted by usc335 View Post
Just remove the insert entirely. That is as quiet as it'll get and will eliminate the high pitch sound.
Cool!! Thanks, ill give this a try tonight!
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      10-12-2011, 11:46 AM   #6
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If it's still too loud then, hook a 1-2 ft piece of hose to the vent of the BOV and point it down to the ground.
That is assuming you have the HKS recirculating insert.
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      10-12-2011, 11:48 AM   #7
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If it's too loud just recirculate it.

I can't even hear my Tial when I shift. It's probably not that loud at all.
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      10-12-2011, 12:31 PM   #8
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Quote:
Originally Posted by tvieira24 View Post
If it's too loud just recirculate it.

I can't even hear my Tial when I shift. It's probably not that loud at all.
Not meant to hijack, but in a similar situation. Running meth with ER and Tial. Don't like the meth blowing off into bay. How can I switch the Tial to recirculate?
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      10-12-2011, 01:01 PM   #9
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Quote:
Originally Posted by san6279 View Post
Not meant to hijack, but in a similar situation. Running meth with ER and Tial. Don't like the meth blowing off into bay. How can I switch the Tial to recirculate?
Take it out entirely and sent the charge pipe back and get connections for Diverter valves...I just cant understand why people install a bov and also have meth injection.
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      10-12-2011, 01:06 PM   #10
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Quote:
Originally Posted by san6279 View Post
Not meant to hijack, but in a similar situation. Running meth with ER and Tial. Don't like the meth blowing off into bay. How can I switch the Tial to recirculate?
Quote:
Originally Posted by cwn23 View Post
Take it out entirely and sent the charge pipe back and get connections for Diverter valves...I just cant understand why people install a bov and also have meth injection.
you can also contact a tial distributor and get the recirculation fitting, it's not terribly expensive and will allow you to run a hose down from the engine bay to vent
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      10-12-2011, 01:12 PM   #11
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Just bought the HKS recirculation fitting $22 shipped
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      10-12-2011, 01:23 PM   #12
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Quote:
Originally Posted by cwn23 View Post
Take it out entirely and sent the charge pipe back and get connections for Diverter valves...I just cant understand why people install a bov and also have meth injection.
I can answer that one very easily....for me anyway...inexperience.

Actually I am in contact with ER now. Am leaning strongly toward getting a whole new pipe (the longer version this time so I can place the bungs at the elbow area and get rid of the oem rubber elbow) with the BOV connections.
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      10-12-2011, 01:26 PM   #13
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Quote:
Originally Posted by bryce View Post
you can also contact a tial distributor and get the recirculation fitting, it's not terribly expensive and will allow you to run a hose down from the engine bay to vent
That would save me some $ obviously. Thanks for the info. May look into that.
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      05-04-2012, 09:04 AM   #14
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Quote:
Originally Posted by 335iJWC View Post
Just bought the HKS recirculation fitting $22 shipped
Where did you buy this from and how do you install it? I am tired of that stupid high pitched chirp from the HKS BOV.
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      05-04-2012, 09:09 AM   #15
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I found them on a few sites but none say if it will work with the one for the 335
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      05-04-2012, 10:40 AM   #16
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Trade it in for a TiAL or Synapse BOV
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      05-04-2012, 10:43 AM   #17
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Tial is probably the quietest BOV compared to Synapse and Tial and is actually my #1 seller.

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      05-04-2012, 10:48 AM   #18
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BMW dudes are too sensetive
Quoted for the truth!
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      05-04-2012, 11:53 AM   #19
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Can someone comment on putting the recirculation fitting on the HKS BOV? It essentially turns it into a Diverter Valve correct? Any pros or cons?
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      05-04-2012, 12:05 PM   #20
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Quote:
Originally Posted by Ant Anthem
Can someone comment on putting the recirculation fitting on the HKS BOV? It essentially turns it into a Diverter Valve correct? Any pros or cons?
Correct. No cons.
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      05-04-2012, 12:43 PM   #21
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Is there any room for adjustments on the blow off valve itself, to remove that annoying chirping sound?
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      05-04-2012, 02:34 PM   #22
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hmm

I have my HKS BOV with insert also, I can't hear it when I cruise under 3k rpm.

With window up and music on, nothing at all...
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