Audi A4 (B9) Forum

688 topics in this forum

1. Fitting honeycomb fog light

   By Juanmc, October 30, 2022
   • 0 replies
   • 704 views
   • 
   • Juanmc
   • October 30, 2022

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3. • 

   A4 Air-con not working

   By Cove1974, April 15, 2021
   • • 
   • 10 replies
   • 24.5k views
   • 
   • Karl PM
   • October 24, 2022
4. • 

   Brake fault warning light fault?

   By Blueit, October 15, 2022
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   • 3 replies
   • 922 views
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   • Steve Q
   • October 22, 2022
5. • 

   Wind noise with roofbox

   By Bluephenix, September 9, 2022
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   • 4 replies
   • 1.4k views
   • 
   • Jaws
   • October 15, 2022
6. • 

   change key coding

   By peter1951, December 31, 2019
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   • 2 replies
   • 1.4k views
   • 
   • Paul A4B9
   • October 8, 2022
7. • 

   Indicator question

   By NathanB, May 4, 2021
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   • 4 replies
   • 2.6k views
   • 
   • Paul A4B9
   • October 8, 2022
9. • 

   TRUTRAK TRACKER

   By Firkindolloper, October 5, 2022
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   • 7 replies
   • 1.5k views
   • 
   • Firkindolloper
   • October 6, 2022

10. A4 Avant 35 TFSI economy

    By simonb82, October 2, 2022
    • 0 replies
    • 1.6k views
    • 
    • simonb82
    • October 2, 2022
11. • 

    Sat Nav

    By G67, October 1, 2022
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    • 3 replies
    • 1.3k views
    • 
    • Steve Q
    • October 2, 2022

12. Are parts between different models compatible?

    By Irenе, September 28, 2022
    • 2 replies
    • 1.6k views
    • 
    • Irenе
    • September 28, 2022
14. • 

    Ad Blue Control Unit

    By HICK5, September 27, 2022
    • • 
    • 2 replies
    • 634 views
    • 
    • Magnet
    • September 27, 2022
15. • 

    Exhaust sound

    By Momosissoko, September 21, 2022
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    • 3 replies
    • 1.2k views
    • 
    • Steve Q
    • September 27, 2022
16. • 

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

    By GLS, June 29, 2021
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    • 4 replies
    • 10.3k views
    • 
    • jdragon
    • September 25, 2022

17. Lumpy on idle

    By Redsfan2008, September 8, 2022
    • 10 replies
    • 5.3k views
    • 
    • jdragon
    • September 18, 2022

18. ambient air temperature sensor circuit

    By Audiline7, September 18, 2022
    • 0 replies
    • 4.1k views
    • 
    • Audiline7
    • September 18, 2022

19. Audi A4 B9 muffler/resonator delete

    By Momosissoko, September 15, 2022
    • 0 replies
    • 673 views
    • 
    • Momosissoko
    • September 15, 2022
20. • 

    Re Map

    By Pablo 1, September 7, 2022
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    • 8 replies
    • 2.6k views
    • 
    • Momosissoko
    • September 15, 2022
21. • 

    Door not unlocking

    By Rimmy, September 7, 2022
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    • 10 replies
    • 3.6k views
    • 
    • Steve Q
    • September 8, 2022
22. • 

    SD Card

    By Pablo 1, September 1, 2022
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    • 4 replies
    • 1.1k views
    • 
    • jdragon
    • September 7, 2022

23. A4 avant 3.0 tdi

    By DyyyD, September 6, 2022
    • 1 reply
    • 1k views
    • 
    • DyyyD
    • September 6, 2022

24. Sat Nav SD card

    By SKR999, August 22, 2022
    • 4 replies
    • 9.8k views
    • 
    • R0bb0
    • September 3, 2022

25. 2017 A4 Avant car mats.

    By SKR999, August 26, 2022
    • 4 replies
    • 1.6k views
    • 
    • R0bb0
    • September 3, 2022
26. • 

    BEST TYRES 1 2

    By Blueit, July 26, 2022
    • • 
    • 27 replies
    • 15.8k views
    • 
    • jdragon
    • August 30, 2022
27. • 

    2022 S4 Engine Oil usage

    By Vern0207, August 20, 2022
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    • 13 replies
    • 3.2k views
    • 
    • Steve Q
    • August 21, 2022
28. • 

    All in one service/warranty plan advice

    By Fridgeguy, August 17, 2022
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    • 14 replies
    • 8.1k views
    • 
    • dalswinton
    • August 20, 2022