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Audi A4 (B9) Forum

Forum for 2015 to present A4 & S4 Models

 

  1. Rear temperature door motor: mechanical malfunction

    Hawkes77,
    • 2 replies
    • 883 views
    Sid2020

  2. front camera in grill

    JOHNNY5,
    • 5 replies
    • 1.2k views
    JOHNNY5

  3. Wireless charging issue

    thcbr600,
    • 4 replies
    • 1.3k views
    thcbr600

  4. A4 Wheel spacers + other mods

    KabZ,
    • 1 reply
    • 696 views
    Magnet

  5. 35TFSI - 3 cars driven, only one idled smoothly

    cav109,
    • 2 replies
    • 729 views
    cav109

  7. Used car warranties

    zpaulg,
    • 5 replies
    • 992 views
    zpaulg

  8. ECU fried like a chicken thigh

    JOHNNY5,
    • 3 replies
    • 692 views
    Steve Q

  9. Water ingress in to A4 Avant boot lid

    ACel,
    • 17 replies
    • 7.5k views
    thoomy

  10. Rear window demister

    Corbo36,
    • 19 replies
    • 5.8k views
    cliffcoggin

  11. Independent charges

    BarryA4b9,
    • 2 replies
    • 619 views
    BarryA4b9

  13. ISpeed wind deflectors.

    Tribalgecko,
    • 5 replies
    • 1.2k views
    Steve Q

  14. Used Audi A4 Alloy Wheels and Winter Tyres - FOR SALE

    James Wither,
    • 2 replies
    • 933 views
    James Wither

  15. Rear suspension is lower on the drivers side.

    SimonJX,
    • 19 replies
    • 9.5k views
    Magnet

  16. 1.4 tfsi Clutch high and occasional squeal

    Redred,
    • 11 replies
    • 2k views
    Redred

  17. Start/stop shudder on startup even with mild hybrid

    steviewevie,
    • 5 replies
    • 1.6k views
    steviewevie

  19. Black box under car

    Fuzzdemon,
    • 4 replies
    • 869 views
    cliffcoggin

  20. Audi a4 b9

    Bigpaul1372,
    • 0 replies
    • 692 views
    Bigpaul1372

  21. P2200 NOx Sensor Fault

    bantamdave21,
    • 3 replies
    • 2.7k views
    Stevey Y

  22. A4 Avant tailgate rear windscreen spoiler parts numbers

    AudiMalc,
    • 9 replies
    • 1.4k views
    AudiMalc

  23. The battery runs out once a month

    Frost1712,
    • 8 replies
    • 1.5k views
    Frost1712

  24. Possible DPF or EGR

    Aiman,
    • 13 replies
    • 1.8k views
    spartacus 68

  25. A4 B9 recirculation flap motor issue

    Mark9918,
    • 27 replies
    • 26.4k views
    BarryA4b9

  26. c123ef0 - Hydraulic Brake Booster Limit Value Reached

    alitop14,
    • 9 replies
    • 38.6k views
    Magnet

  27. Weird buzzing noise

    g4vster,
    • 4 replies
    • 909 views
    Steve Q

  28. High pitched noise please help

    Daragh,
    • 3 replies
    • 1.2k views
    g4vster




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