Audi A4 (B9) Forum

625 topics in this forum

1. • 

   A4 Avant - Diesel - Fuel tank capacity

   By Shane Buckley, November 23, 2022
   • • 
   • 1 reply
   • 2k views
   • 
   • Steve Q
   • November 23, 2022

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3. • 

   Electronic fault

   By Mick B, October 21, 2022
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   • 3 replies
   • 929 views
   • 
   • Magnet
   • November 23, 2022
4. • 

   C123EF0 - Glasgow garages that can help?

   By RE001, November 16, 2022
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   • 2 replies
   • 565 views
   • 
   • Magnet
   • November 22, 2022

5. B9 access to headlight lamps

   By Daren.summerfield, November 13, 2022
   • 1 reply
   • 723 views
   • 
   • Stevey Y
   • November 14, 2022

6. Ad blue warning

   By Steven F, November 7, 2022
   • 1 reply
   • 834 views
   • 
   • Stevey Y
   • November 7, 2022
7. • 

   Stop Start v Air Con

   By NewtonHeath, October 26, 2022
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   • 18 replies
   • 2k views
   • 
   • Magnet
   • November 3, 2022
9. • 

   A3 boot won’t open

   By David41620, October 27, 2022
   • • 
   • 1 reply
   • 663 views
   • 
   • Steve Q
   • October 30, 2022

10. Fitting honeycomb fog light

    By Juanmc, October 30, 2022
    • 0 replies
    • 535 views
    • 
    • Juanmc
    • October 30, 2022
11. • 

    A4 Air-con not working

    By Cove1974, April 15, 2021
    • • 
    • 10 replies
    • 19.7k views
    • 
    • Karl PM
    • October 24, 2022
12. • 

    Brake fault warning light fault?

    By Blueit, October 15, 2022
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    • 3 replies
    • 634 views
    • 
    • Steve Q
    • October 22, 2022
14. • 

    Wind noise with roofbox

    By Bluephenix, September 9, 2022
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    • 4 replies
    • 1k views
    • 
    • Jaws
    • October 15, 2022
15. • 

    change key coding

    By peter1951, December 31, 2019
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    • 2 replies
    • 1.2k views
    • 
    • Paul A4B9
    • October 8, 2022
16. • 

    Indicator question

    By NathanB, May 4, 2021
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    • 4 replies
    • 1.9k views
    • 
    • Paul A4B9
    • October 8, 2022
17. • 

    TRUTRAK TRACKER

    By Firkindolloper, October 5, 2022
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    • 7 replies
    • 1k views
    • 
    • Firkindolloper
    • October 6, 2022

18. A4 Avant 35 TFSI economy

    By simonb82, October 2, 2022
    • 0 replies
    • 1.4k views
    • 
    • simonb82
    • October 2, 2022
19. • 

    Sat Nav

    By G67, October 1, 2022
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    • 3 replies
    • 1.1k views
    • 
    • Steve Q
    • October 2, 2022

20. Are parts between different models compatible?

    By Irenе, September 28, 2022
    • 2 replies
    • 1.1k views
    • 
    • Irenе
    • September 28, 2022
21. • 

    Ad Blue Control Unit

    By HICK5, September 27, 2022
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    • 2 replies
    • 526 views
    • 
    • Magnet
    • September 27, 2022
22. • 

    Exhaust sound

    By Momosissoko, September 21, 2022
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    • 3 replies
    • 932 views
    • 
    • Steve Q
    • September 27, 2022
23. • 

    Start stop function not working after 'brake servo restricted' sensor replaced

    By GLS, June 29, 2021
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    • 4 replies
    • 8.7k views
    • 
    • jdragon
    • September 25, 2022

24. Lumpy on idle

    By Redsfan2008, September 8, 2022
    • 10 replies
    • 3.5k views
    • 
    • jdragon
    • September 18, 2022

25. ambient air temperature sensor circuit

    By Audiline7, September 18, 2022
    • 0 replies
    • 3.7k views
    • 
    • Audiline7
    • September 18, 2022

26. Audi A4 B9 muffler/resonator delete

    By Momosissoko, September 15, 2022
    • 0 replies
    • 598 views
    • 
    • Momosissoko
    • September 15, 2022
27. • 

    Re Map

    By Pablo 1, September 7, 2022
    • • 
    • 8 replies
    • 1.8k views
    • 
    • Momosissoko
    • September 15, 2022
28. • 

    Door not unlocking

    By Rimmy, September 7, 2022
    • • 
    • 10 replies
    • 1.9k views
    • 
    • Steve Q
    • September 8, 2022