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  1. #1
    Veteran Member Four Rings ConroeS4's Avatar
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    Don't understand the N249 bypass mod.

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    I have researched it for about 30 minutes now. I still don't understand what it does, what it looks like, how to do it, or what parts I will need. I found a DIY for vacuum and etc., but is there a thread specifically for the N249 mod. I am clueless on all these lines, hoses, and valves.
    Any information is much appreciated!
    Thanks!
    2001.5 Audi S4 2.7T 6spd Santorin Avant
    Stage 2+

    ABT tuning, Milltek exhaust, SSAC downpipes, JHM short shifter, RS4 grill, All silicone hoses, Michelin Pilot Sport A/S Plus's, 034 street motor and snub mounts, Darintake, 12" Alpine Type R
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  2. #2
    Forum Moderator Four Rings actlsub9's Avatar
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    Jun 13 2005
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    NY

    Re: Don't understand the N249 bypass mod.

    Greg - Moderator

    WWW.ACTLSUB9.COM

  3. #3
    Veteran Member Four Rings F16HTON's Avatar
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    Jul 04 2004
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    Re: Don't understand the N249 bypass mod.

    Good...it is a waste of your time...

    Time to move along...nothing to see here.

  4. #4
    Veteran Member Four Rings Exanimas's Avatar
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    Mar 09 2008
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    is full of crap.
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    Boston, MA

    Re: Don't understand the N249 bypass mod.

    Gregs FTW.

    And that picture is hilarious on so many levels.
    -Nick

    2008 B7 A4 Avant 2.0T 6spd
    ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ

  5. #5
    Veteran Member Four Rings ryannorthcott's Avatar
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    Jul 10 2008
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    2002 A4 1.8T Quattro
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    Kelowna BC

    Re: Don't understand the N249 bypass mod.

    it's pretty simple stuff, bolted onto the underside of the intake manifold there's a little box-like thing with a hose comin in one end and out the other, and you're gonna be bypassing it. you take the hose that comes from the DV out of the box and you plug it into the corner of the manifold, doesn't really matter what you do with the other hose, most would just loop it to the now open side of the n249 to avoid crap gettin in there
    two thousand two audi a-four quattro five speed

  6. #6
    Veteran Member Four Rings BNZ TOY's Avatar
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    Oct 29 2006
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    1G FX35, 03 R6, B6 A4 MT6
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    Re: Don't understand the N249 bypass mod.

    Quote Originally Posted by actlsub9 View Post
    ^^

    Another silver B6


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  7. #7
    Veteran Member Four Rings Papachristou's Avatar
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    Sep 15 2006
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    Memphis, TN

    Re: Don't understand the N249 bypass mod.

    LMFAO!

    im going to do mine this weekend i think but im going to log a 1-4 gear pull and a third gear pull before and after to see if it actually changes anything....
    2018 Audi S6 Prestige Sport Sepang Blue/Lunar Silver
    APR Stage 2/AWE Intake

  8. #8
    Account Terminated Four Rings mike-2ptzero's Avatar
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    Jul 07 2004
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    630AWHP A4, Nissan Titan
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    socal

    Re: Don't understand the N249 bypass mod.

    Only thing it does is keep the ECU from controlling the BPV, the ecu opens the BPV to decrease power when there is a safety issue.

  9. #9
    Veteran Member Four Rings dougyfresh's Avatar
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    Re: Don't understand the N249 bypass mod.

    Quote Originally Posted by 400HPA4 View Post
    Good...it is a waste of your time...

    Time to move along...nothing to see here.
    -Doug
    2002 A4 Avant EPL tuned 2.7T K04 6spd

  10. #10
    Veteran Member Four Rings texasboy21's Avatar
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    Apr 01 2007
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    houston texas

    Re: Don't understand the N249 bypass mod.

    man you researched for thirty minutes and it takes literally 45 seconds to do......i say leave the hood closed lol

    barrett
    2019 SQ5 Prestige
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