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  1. #1
    Junior Member One Ring
    Join Date
    Jul 11 2022
    AZ Member #
    754190
    Location
    Sammamish, WA

    APR ECU mod finally available!

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    I am thrilled to share the news that APR (goapr.com) has finally come out with the ECU mod for the C8 A6!! I had mine installed a week ago and it makes a HUGE difference! I did the same ECU mod from APR to my '12 A6 and never once had any problems with the vehicle.

    Short list of improvements: Stock hp: 335, After mod: 401, a 20% increase! / Stock torque: 369 ft lbs, After mod: 517 ft lbs, a 40% increase! / Disable Auto Start-Stop function (Heavenly!) / Dashboard graphics show the gear you're in

    https://www.goapr.com/products/softw...U-30T-EA839-C8

    Screen Shot 2022-08-11 at 11.28.46 AM.jpg
    Screen Shot 2022-08-11 at 11.28.17 AM.jpg

  2. #2
    Veteran Member Four Rings
    Join Date
    Nov 26 2006
    AZ Member #
    13692
    Location
    Memphis, TN

    You can also get the APR Plus Tune which includes a powertrain warranty matching the remaining length of the factory warranty.
    ‘22 Nardo RS6 Wagon

  3. #3
    Senior Member Two Rings mabs's Avatar
    Join Date
    Apr 27 2019
    AZ Member #
    478212
    Location
    nj

    Could you take some pics of the dashboard?

    Sent from my Pixel 5 using Audizine Forum mobile app

  4. #4
    Established Member Two Rings
    Join Date
    Oct 23 2017
    AZ Member #
    408790
    Location
    Buffalo NY

    So stoked cant wait

    Sent from my SM-N950U using Audizine Forum mobile app

  5. #5
    Established Member Two Rings
    Join Date
    Oct 23 2017
    AZ Member #
    408790
    Location
    Buffalo NY

    Thank you for the review..

    Sent from my SM-N950U using Audizine Forum mobile app

  6. #6
    Established Member Two Rings
    Join Date
    Oct 06 2019
    AZ Member #
    521235
    Location
    Charlotte NC

    Cripes APR crack the 2.9!!!

  7. #7
    Junior Member One Ring
    Join Date
    Jul 11 2022
    AZ Member #
    754190
    Location
    Sammamish, WA

    Quote Originally Posted by mabs View Post
    Could you take some pics of the dashboard?

    Sent from my Pixel 5 using Audizine Forum mobile app
    IMG_2902.jpegIMG_2903.jpeg

  8. #8
    Senior Member Two Rings mabs's Avatar
    Join Date
    Apr 27 2019
    AZ Member #
    478212
    Location
    nj

    Thanks

    Sent from my Pixel 5 using Audizine Forum mobile app

  9. #9
    Established Member Two Rings Alex M's Avatar
    Join Date
    Apr 19 2021
    AZ Member #
    598122
    Location
    SoCal

    How's the bottom end feel after the tune? Say 3rd gear ~3,000 RPM? Stock, the EA839 in these cars just doesn't like being under 4K RPM it seems.
    2024 Florett Silver A8L D5.5 | Black Optics Plus + Executive Pkg
    ECS Tuning | 034Motorsport | BMC | Ghost | AudiSport

    2021 Ibis White A6 55 C8 | P+ Black Optics, Executive + Luxury Pkg

  10. #10
    Junior Member One Ring
    Join Date
    Jul 11 2022
    AZ Member #
    754190
    Location
    Sammamish, WA

    Quote Originally Posted by Alex M View Post
    How's the bottom end feel after the tune? Say 3rd gear ~3,000 RPM? Stock, the EA839 in these cars just doesn't like being under 4K RPM it seems.
    It's a significant improvement over stock! 3rd gear @ 3K has huge pull, no lag. Feels like a muscle car, it's a blast!

  11. #11
    Active Member One Ring
    Join Date
    Aug 08 2021
    AZ Member #
    616924
    Location
    Cincinnati

    @SpeedRacer22

    Did your A6 get a TCU tune at the same time as the ECU tune? I just got the ECU tune on my A7 C8 and it doesn't show the gear like it does in your picture. I called APR and support said that they think that only shows up if you do a TCU tune, and that the ECU tune has no effect on those gauges.

    Thanks for any info!

  12. #12
    Junior Member One Ring
    Join Date
    Jul 11 2022
    AZ Member #
    754190
    Location
    Sammamish, WA

    Quote Originally Posted by jjk73 View Post
    @SpeedRacer22

    Did your A6 get a TCU tune at the same time as the ECU tune? I just got the ECU tune on my A7 C8 and it doesn't show the gear like it does in your picture. I called APR and support said that they think that only shows up if you do a TCU tune, and that the ECU tune has no effect on those gauges.

    Thanks for any info!
    I just spoke with Achtuning in Redmond, WA who did the install, they said it was just the ECU tune. He said APR has no TCU tunes available for the C8.

  13. #13
    Established Member Two Rings
    Join Date
    May 19 2013
    AZ Member #
    115467
    Location
    Norcal

    So what about the 2.9??

  14. #14
    Established Member Two Rings
    Join Date
    Sep 22 2021
    AZ Member #
    628482
    Location
    Hartford CT

    Quote Originally Posted by Kaz-RS5>C63 View Post
    So what about the 2.9??
    https://www.goapr.com/products/softw...U-29T-EA839-C8

    This one??

  15. #15
    Established Member Two Rings
    Join Date
    Oct 06 2019
    AZ Member #
    521235
    Location
    Charlotte NC

    Quote Originally Posted by ZacCT View Post

    That only works on certain ECUs...The 2.9 tune here doesn't work on ECUs after (approx) Jan 2022 since MG1 closed the door with a software update.

    We're all waiting impatiently.
    2025 SQ7
    Eventuri
    APR Stage1 93
    Ghost Links
    Matrix Activated
    It will eat your Children

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