1997 E36 328i se exhaust butterfly valve - Page 2

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    #11
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    Quote Originally Posted by mistreku View Post
    lol, true, supersprint headers plus track pipe = one happy me! but i wasn't asking for me. mine is a 325i anyway. a friend of mine has a 323i i was thinking that maybe he'd fancy that.
    single pipe no valve Gabriel, you not coming to the oxford meet mate
     
     

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    #12
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    Quote Originally Posted by RJB328i View Post
    single pipe no valve Gabriel, you not coming to the oxford meet mate
    it's been quite a hard time these last weeks, not so many jobs at work and i'm kinda low on the budget. but hopefully, i'll make it eventually. i'll let you know, ralph!
    There are only two products required to make the universe work properly: Duct tape and WD40. 


    If it moves (and it shouldn't): duct tape. 
If it doesn’t move (and it should): WD40.

    Everything else is just stuff.
     
     

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    #13
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    Quote Originally Posted by vauxfan View Post
    i have had mine disconnected for 4 months untill last week, when i reconnected it!, car warms up quicker now and is uber quiet again!, it opens when you floor it anyway,
    I know its open when floored but i wanted it a bit more meaty when pulling away and when cruising slowly which its done and for free
    sounds just about perfect now.
     
     

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    #14
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    Ive just disconnected the little vacuum hose on my 328 and am quite happy with the result. well....it will keep me happy till I can save enough pennies for a new cat back exhaust.
    2 questions though, 1. will this "mini mod" have any effect on the fuel consumption or anything else?
    and
    2. what cat back system would members reccomend that will give me a nice throaty sound. -M3 like. Will a M3 backbox bolt straight on?
    Last edited by ozyshane; 03-04-2010 at 09:34. Reason: -
    OZYSHANE - '96 E36 328i
     
     

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    #15
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    Quote Originally Posted by ozyshane View Post
    Ive just disconnected the little vacuum hose on my 328 and am quite happy with the result. well....it will keep me happy till I can save enough pennies for a new cat back exhaust.
    2 questions though, 1. will this "mini mod" have any effect on the fuel consumption or anything else?
    and
    2. what cat back system would members reccomend that will give me a nice throaty sound. -M3 like. Will a M3 backbox bolt straight on?
    That mod should have no real effect on fuel consumption. BMW put the valve in purely for noise restriction...

    The M3 back box is not a direct bolt on fit. The bores of the M3 pipe are about 3/4 inch bigger than the 2.8/2.5 exhaust. I had a specialist exhaust fabrication company cut and weld the M3 pipes to fit mine.

     
     

  8.  
    #16
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    Quote Originally Posted by steve23002 View Post
    That mod should have no real effect on fuel consumption. BMW put the valve in purely for noise restriction...

    The M3 back box is not a direct bolt on fit. The bores of the M3 pipe are about 3/4 inch bigger than the 2.8/2.5 exhaust. I had a specialist exhaust fabrication company cut and weld the M3 pipes to fit mine.
    I take it you are happy with the result of the M3 system. Out of curiosity, what did you pay to have that work done?
    OZYSHANE - '96 E36 328i
     
     

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    #17
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    Quote Originally Posted by ozyshane View Post
    I take it you are happy with the result of the M3 system. Out of curiosity, what did you pay to have that work done?
    Yeah, I had the cats cut out and new pipe welded in at the same time. I went for the M3 box as every aftermarket system was too loud. Im not a big fan af noisy exhausts. The M3 box just gives it a gruff sort of tone, it wails when you get to high revs.
    I think it cost me about £200 for all the exhaust work including removing the cats, which is about the same price as an aftermarket cat back..
     
     

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    #18
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    Quote Originally Posted by nomis View Post
    I disabled mine today and cant believe the difference it makes. it sounds nice and gruff on low rpm. I urge all of you with the valve especially 6 pot owners to go outside right now pull the little vacuum pipe off the round thing attatched to the rear silence just behind the bumper and stick a little bolt in it. I'm tempted not to go for a back box now
    Without looking and being lazy what size bolt was it please?
     
     

  11.  
    #19
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    a small one...a golf tee does the same job and this is why this mod is sometimes called the golf tee mod
    what i've felt,what i've known
    never shined through in what i've shown.

    -------------------------------------------
    PLEASE READ THE POSTING RULES & HOW TO CORRECT THREAD TITLES & THE SELLING RULES
     
     

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    #20
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    Quote Originally Posted by vauxfan View Post
    i have had mine disconnected for 4 months untill last week, when i reconnected it!, car warms up quicker now and is uber quiet again!, it opens when you floor it anyway,
    I'm not 100% mine was opening as it should as it sounds and feels different even at higher revs

    Quote Originally Posted by fwordm3 View Post
    Without looking and being lazy what size bolt was it please?
    I put a short fat self tapping screw in mine mate, as long as its tight in the pipe anything can plug it

    I did have to heave on the pipe to get it off the actuator and tore the end off the pipe, but i just cut it straight and screwed the screw in
     
     

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