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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 335 tial bov just in!!



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      02-27-2007, 05:23 PM   #45
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Quote:
Originally Posted by SoCal335i View Post
I have the HKS BOV on my 335i. It sounds Nice! Some retards here say that Atmospheric BOV's belong on Japanese cars... I say they can go on any Turbo car if that is your preference... If i had a Bently GT it would have an HKS bov on it, and anyone that had anything to say about it would get this...
+1, I had a BOV on my old Porsche Turbo......nice..... What the 335 is missing is a jet of flames from the exhaust pipes when you lift on the throttle

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      02-27-2007, 07:35 PM   #46
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      02-27-2007, 08:43 PM   #47
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My 335 is also my first turbo car. Will installing a BOV on an AT produce the pshhhhhh between shifts like a manual trans? THanks
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      02-28-2007, 12:35 AM   #48
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My 335 is also my first turbo car. Will installing a BOV on an AT produce the pshhhhhh between shifts like a manual trans? THanks
yes!
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      02-28-2007, 02:01 PM   #49
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Quote:
Originally Posted by SoCal335i View Post
yes!
uh. No. Only when throttle is lifted, and even then, less so than a MT since it will have probably upshifted to a highter gear, lowering revs and boost.
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      02-28-2007, 02:16 PM   #50
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Originally Posted by ezatnova View Post
uh. No. Only when throttle is lifted, and even then, less so than a MT since it will have probably upshifted to a highter gear, lowering revs and boost.
I guess i rushed to put the "yes" there too fast. I meant that it will still make the psshhhtt sound but i didnt mean it would be just like the manual tranny. You are right for sure though!
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      03-02-2007, 04:19 AM   #51
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Originally Posted by ezatnova View Post
uh. No. Only when throttle is lifted, and even then, less so than a MT since it will have probably upshifted to a highter gear, lowering revs and boost.
Wrong. The AT does make a PSH sound during an upshift.
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      03-02-2007, 04:48 AM   #52
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I'm digging the sound, as subtle as it is rolling at WOT, it gives me a grin. The only caveat I can cit on this mod is the complexity, though easy and safe, of the install. It's too obvious when you open the hood for me to leave it in when I go in for any service. They'd never notice it by sound unless the tech hoons around the block before taking it to the garage, but I wish it was all black and that the BOV oriented downward for a stealth effect. Not that I think that any harm could be legitimately attributed to the kit, but it reeks of 'engine mod', and I'd rather not even enter this dialog with my service adviser, especially for something as superficial as a BOV.
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      03-02-2007, 10:11 AM   #53
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You think BMW will void the warranty if BOV is seen under the hood? Isn't this like using a drop in K&N filter vs stock element? Curious......
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      03-02-2007, 10:15 AM   #54
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Quote:
Originally Posted by bimdaddy View Post
You think BMW will void the warranty if BOV is seen under the hood? Isn't this like using a drop in K&N filter vs stock element? Curious......
Can someone PLEASE make a sticky for warranties and the MAGNUSSON MOSS ACT????
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      03-02-2007, 12:40 PM   #55
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Will this still give the pppsshhht sound if the engine upshifts around 3000 rpm? day to day the noise could get a little excessive for me.
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      03-02-2007, 01:46 PM   #56
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Quote:
Originally Posted by T Bone View Post
+1, I had a BOV on my old Porsche Turbo......nice..... What the 335 is missing is a jet of flames from the exhaust pipes when you lift on the throttle

Ok this is too funny,

I was about to say I do not see the value in the BOV and Pssst sound but when was young and hip, we use to mount spark plugs in the exhaust pipes, rev up the engine and the hit the switch to plugs and watch the flames shoot out the back.

Burnt my friend's legs once and blew out mufflers too.

I think flames out the exhuast was great, just do not get the Pssst sound maybe I am getting too old

Can not do flames out the exhaust these new car the burn fuel way too efficiently, the old muscle cars use to dump so much unburnt fuel down the exhaust.
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      03-02-2007, 02:05 PM   #57
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Quote:
Originally Posted by Maestro View Post
Ok this is too funny,

I was about to say I do not see the value in the BOV and Pssst sound but when was young and hip, we use to mount spark plugs in the exhaust pipes, rev up the engine and the hit the switch to plugs and watch the flames shoot out the back.

Burnt my friend's legs once and blew out mufflers too.

I think flames out the exhuast was great, just do not get the Pssst sound maybe I am getting too old

Can not do flames out the exhaust these new car the burn fuel way too efficiently, the old muscle cars use to dump so much unburnt fuel down the exhaust.
Look at the old Porsche 956 / 962 race cars....Psstt + Flames....the ultimate cars.
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      03-02-2007, 02:16 PM   #58
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      03-02-2007, 02:21 PM   #59
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Quote:
Originally Posted by vAnt826 View Post
Wrong. The AT does make a PSH sound during an upshift.
Well, I've been in an auto WRX and owned a Grand National.... no noise at WOT during shifts.
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      03-02-2007, 05:45 PM   #60
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Look at the old Porsche 956 / 962 race cars....Psstt + Flames....the ultimate cars.
yeah, I have seen race cars spitting flames before, having straight pipes, no mufflers and lots of heavy accelerations and down shifting will dump fuel into the exhaust to be ignited.
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      03-02-2007, 07:19 PM   #61
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Originally Posted by HyperM3 View Post
Can someone PLEASE make a sticky for warranties and the MAGNUSSON MOSS ACT????
My point was that, for me, it's probably not worth the potential hassle of explaining the BOV in the unlikely event of turbo failure, etc. Even if you're in the right, using the MMA can be sticky if the service manager wants to be an asshole.
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      03-02-2007, 07:45 PM   #62
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I don't think it voids anything I work at the dealer and my car has been there for service and they don't have a problem with it all the bov is is for looks/sound. doesn't hurt the motor.
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      03-02-2007, 08:21 PM   #63
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I don't think it voids anything I work at the dealer and my car has been there for service and they don't have a problem with it all the bov is is for looks/sound. doesn't hurt the motor.
Exactly. Having a bov is like installing cold air intake. I have never heard anyone getting screwed over for having an intake.
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      03-02-2007, 08:30 PM   #64
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Quote:
Originally Posted by bimdaddy View Post
Exactly. Having a bov is like installing cold air intake. I have never heard anyone getting screwed over for having an intake.
i had. My friend has a e46 zhp and they wouldnt service his car because he had a gruppe m intake.
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      03-02-2007, 08:31 PM   #65
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Quote:
Originally Posted by robbie211 View Post
Will this still give the pppsshhht sound if the engine upshifts around 3000 rpm? day to day the noise could get a little excessive for me.
A BOV is dependent upon boost, which is controlled completely by throttle position. If you drive like a grandma, and you are in vac the whole time, you will never hear the BOV. If you are romping on the car or 1/2 throttle where you start to creep from vac into boost then you will hear the BOV. On my current car I could daily drive it and keep up with traffic with never hearing it all day if I wanted to.
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      03-02-2007, 09:32 PM   #66
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Quote:
Originally Posted by l4wr3nc3 View Post
i had. My friend has a e46 zhp and they wouldnt service his car because he had a gruppe m intake.
You mean they refused to do the required oil/insp service on his car. Did he end up paying for it or went to another dealer?
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