Audi A4 (B9) Forum

701 topics in this forum

1. • 

   Best model B9

   By Pepper, August 14, 2022
   • • 
   • 19 replies
   • 10.8k views
   • 
   • RichPow
   • December 10, 2022

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3. Should ECU have a cover on it?

   By RichPow, December 8, 2022
   • 2 replies
   • 1k views
   • 
   • RichPow
   • December 10, 2022
4. • 

   A4 B9 3.0 TDI Metal Sound in Engine

   By Joewem, November 26, 2022
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   • 3 replies
   • 1.4k views
   • 
   • SQ5Owner
   • December 1, 2022
5. • 

   Difference Between Sport and SE

   By Ujw, November 23, 2022
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   • 7 replies
   • 4.7k views
   • 
   • jdragon
   • December 1, 2022
6. • 

   Audi dealer servicing

   By Pepper, June 30, 2021
   • • 
   • 18 replies
   • 4.9k views
   • 
   • Magnet
   • November 25, 2022
7. • 

   Retro fit front parking sensors

   By RichPow, November 25, 2022
   • • 
   • 1 reply
   • 2.2k views
   • 
   • Magnet
   • November 25, 2022
9. • 

   Should I believe the computer's servicing advice?

   By roger h, November 24, 2022
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   • 2 replies
   • 1.1k views
   • 
   • jdragon
   • November 25, 2022
10. • 

    A4 Avant - Diesel - Fuel tank capacity

    By Shane Buckley, November 23, 2022
    • • 
    • 1 reply
    • 3.6k views
    • 
    • Steve Q
    • November 23, 2022
11. • 

    Electronic fault

    By Mick B, October 21, 2022
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    • 3 replies
    • 1.1k views
    • 
    • Magnet
    • November 23, 2022
12. • 

    C123EF0 - Glasgow garages that can help?

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

14. B9 access to headlight lamps

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

15. Ad blue warning

    By Steven F, November 7, 2022
    • 1 reply
    • 1.3k views
    • 
    • Stevey Y
    • November 7, 2022
16. • 

    Stop Start v Air Con

    By NewtonHeath, October 26, 2022
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    • 18 replies
    • 3.1k views
    • 
    • Magnet
    • November 3, 2022
17. • 

    A3 boot won’t open

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

18. Fitting honeycomb fog light

    By Juanmc, October 30, 2022
    • 0 replies
    • 749 views
    • 
    • Juanmc
    • October 30, 2022
19. • 

    A4 Air-con not working

    By Cove1974, April 15, 2021
    • • 
    • 10 replies
    • 24.9k views
    • 
    • Karl PM
    • October 24, 2022
20. • 

    Brake fault warning light fault?

    By Blueit, October 15, 2022
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    • 3 replies
    • 974 views
    • 
    • Steve Q
    • October 22, 2022
21. • 

    Wind noise with roofbox

    By Bluephenix, September 9, 2022
    • • 
    • 4 replies
    • 1.4k views
    • 
    • Jaws
    • October 15, 2022
22. • 

    change key coding

    By peter1951, December 31, 2019
    • • 
    • 2 replies
    • 1.4k views
    • 
    • Paul A4B9
    • October 8, 2022
23. • 

    Indicator question

    By NathanB, May 4, 2021
    • • 
    • 4 replies
    • 2.7k views
    • 
    • Paul A4B9
    • October 8, 2022
24. • 

    TRUTRAK TRACKER

    By Firkindolloper, October 5, 2022
    • • 
    • 7 replies
    • 1.6k views
    • 
    • Firkindolloper
    • October 6, 2022

25. A4 Avant 35 TFSI economy

    By simonb82, October 2, 2022
    • 0 replies
    • 1.7k views
    • 
    • simonb82
    • October 2, 2022
26. • 

    Sat Nav

    By G67, October 1, 2022
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    • 3 replies
    • 1.5k views
    • 
    • Steve Q
    • October 2, 2022

27. Are parts between different models compatible?

    By Irenе, September 28, 2022
    • 2 replies
    • 1.7k views
    • 
    • Irenе
    • September 28, 2022
28. • 

    Ad Blue Control Unit

    By HICK5, September 27, 2022
    • • 
    • 2 replies
    • 648 views
    • 
    • Magnet
    • September 27, 2022