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Audi A4 (B9) Forum

Forum for 2015 to present A4 & S4 Models

 

  1. Mud flaps

    keithymason,
    • 5 replies
    • 133 views
    Magnet

  2. MMI and Bluetooth stopped working

    Big Easy,
    • 15 replies
    • 779 views
    Big Easy

  3. A4 B9 2021 LED MATRIX HEADLIGHTS

    JOHNNY5,
    • 0 replies
    • 116 views
    JOHNNY5

  4. A/c not working

    keithymason,
    • 4 replies
    • 339 views
    keithymason

  5. HELP - heater core replacement

    RE001,
    • 80 replies
    • 48.9k views
    Vytas

  7. 2019 Audi A4 NMI Updates

    shed13C,
    • 0 replies
    • 247 views
    shed13C

  8. Adblue fault no restart after 650miles, Error codes P20BC,P20E8

    Doctor786,
    • 34 replies
    • 99.5k views
    Stevey Y

  9. A4 2020 - Dashboard ticking sound/squeak near A-pillar

    thoomy,
    • 0 replies
    • 199 views
    thoomy

  10. Pilot bearing or clutch problem?

    Lorenzo23,
    • 6 replies
    • 429 views
    Lorenzo23

  11. Audi A4 B9 Avant 2016 TDI > Brake pad wear sensor message

    letsonk,
    • 0 replies
    • 245 views
    letsonk

  13. Insurance

    Jonesd16,
    • 7 replies
    • 622 views
    cliffcoggin

  14. Brake servo restricted

    Stevie84,
    • 713 replies
    • 467.8k views
    letsgetrdy

  15. Audi A4 B9 - 2019 35 TFSI Petrol

    Navs747,
    • 4 replies
    • 520 views
    Navs747

  16. 2023 Audi A4 Avant B9 fuel filler flap manual release.

    Sraine,
    • 2 replies
    • 317 views
    Steve Q

  17. Audi A4 B9: Identify Matrix LED from the Outside

    quiddi,
    • 2 replies
    • 381 views
    spartacus 68

  19. MMi update

    Dude,
    • 1 reply
    • 243 views
    cliffcoggin

  20. Knocking noise

    Steve62,
    • 4 replies
    • 534 views
    Steve62

  21. Audi A4 B9.2.0TDI 190bhp Oil Pump Wet Belt Replacement

    letsonk,
    • 0 replies
    • 420 views
    letsonk

  22. Quattro tyre wear

    B08,
    • 5 replies
    • 627 views
    B08

  23. Fault code P0045 Audi A4 B9 2.0TDI Please help

    Todel,
    • 13 replies
    • 1.4k views
    848phantom

  24. A4 ride quality - Sport vs S Line

    TheITGuy,
    • 0 replies
    • 451 views
    TheITGuy

  25. High/low fuel pressure fault code

    Liamsmith,
    • 3 replies
    • 391 views
    848phantom

  26. Heater & air con control unit

    Peteandrews1981,
    • 2 replies
    • 322 views
    Peteandrews1981

  27. Coolant low error

    Guest,
    • 4 replies
    • 699 views
    Guest
    Guest

  28. Private Plate

    Daz42,
    • 4 replies
    • 479 views
    Daz42




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