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  1. #1
    Veteran Member Three Rings Ace22's Avatar
    Join Date
    Oct 26 2013
    AZ Member #
    126962
    Location
    Ohio

    Any idea what this is?

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    Changing wheels over weekend and saw this tube behind passenger rear wheel well....what is it and is there a missing cap? Thanks
    2021 RS7 Unitronic Stage 1+, Akrapovic, Eventuri intake, Performance Wheels, IE lowering links
    2023 SQ8 Stock

  2. #2
    Veteran Member Four Rings Audibot's Avatar
    Join Date
    May 20 2010
    AZ Member #
    59252
    Location
    Maryland

    Maybe the battery vent?
    2016 A6 TDI Prestige - Tornado Gray. Malone Stage 2, DPF Delete, EGR blockoff, S6 F&R brakes, 034 RSB, RSNav S4, P3 v3 TDI gauge
    2003 RS 6 - Misano Red. AMD ECU/TCU tune, KW V3s, Hotchkis sway bars, Phaeton brake ducts, red carbon fiber trim
    2005 allroad 6MT swap - Alpaca Beige
    2003 allroad 6MT - Highland Green Metallic / Fern Green & Desert Green interior (1 of 15 max) - WIP
    2003 allroad 6MT - SOLD like a dumbass
    2007 A4 2.0T quattro - Gone but not forgotten

  3. #3
    Established Member Two Rings
    Join Date
    May 19 2016
    AZ Member #
    373542
    Location
    Wethersfield, CT

    Maybe fuel door weep ?

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  4. #4
    Veteran Member Four Rings DGVR6's Avatar
    Join Date
    Aug 03 2014
    AZ Member #
    270569
    Location
    Queens

    Maybe a drain tube?
    C7.5 S6 P+ Mythos Black
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    APR Tuned Stage 2 ECU/TCU | Roc Euro | Catless Downpipes | Milltek Resonated
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    B8 S4 [email protected] 93/e85 93 map - Unitronic Stage 2 B8 S4 6MT

  5. #5
    Veteran Member Four Rings Dutch_A6's Avatar
    Join Date
    Aug 19 2012
    AZ Member #
    98923
    My Garage
    GMC Terrain
    Location
    Belleville, IL

    Fairly sure it's the drain tube for the sun roof.

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    Black 2012 A7 Prestige

    Zito ZF01 wheels
    EPL stage 2 tune
    Tinted marker lights
    Roc Euro intake
    AWE touring exhaust
    APR CPS

  6. #6
    Veteran Member Three Rings Ace22's Avatar
    Join Date
    Oct 26 2013
    AZ Member #
    126962
    Location
    Ohio

    Thanks for the responses, just wanted to make sure as I figured it was a drain tube of sorts. Tucked in nice and neat and secured well.
    2021 RS7 Unitronic Stage 1+, Akrapovic, Eventuri intake, Performance Wheels, IE lowering links
    2023 SQ8 Stock

  7. #7
    Veteran Member Three Rings
    Join Date
    Jun 18 2017
    AZ Member #
    401336
    Location
    10512 Hunter Trl/Illinois/

    Fuel door drain line tubing

  8. #8
    Veteran Member Four Rings Kevin1's Avatar
    Join Date
    Oct 19 2008
    AZ Member #
    34358
    Location
    Long Island

    Quote Originally Posted by Gwillplays View Post
    Fuel door drain line tubing
    Plus 1
    19 years and 320,000 miles behind the wheel of an Audi

    2022 A6 55 3.0 Prestige with Luxury Package and Black Optic Sport Package (all options). Daytona Gray Pearl Effect. Sarder Brown Interior. (July 2022 - presesent)

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    2015 A6 TDI Prestige All Options except B&O - (August 2014 - July 2022) (146,179 miles)

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