Audi A4 (B9) Forum

741 topics in this forum

1. • 

   Wind noise with roofbox

   By Bluephenix, September 9, 2022
   • • 
   • 4 replies
   • 1.6k views
   • 
   • Jaws
   • October 15, 2022

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3. • 

   Lost communication with reductant control module

   By Tommeh93, April 25, 2024
   • • 
   • 1 reply
   • 1.6k views
   • 
   • Steve Q
   • April 25, 2024
4. • 

   A3 courtesy car whilst my A4 is at the dealers

   By Steve Rogers, October 13, 2023
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   • 8 replies
   • 1.6k views
   • 
   • icstm
   • April 29, 2024

5. blocked passenger rear seat belt buckle

   By keithbarneta4, December 5, 2019   

   • repair replace seat belt buckle
   • 0 replies
   • 1.6k views
   • 
   • keithbarneta4
   • December 5, 2019
6. • 

   VW Data plug compatibility

   By Wave129, August 29, 2023
   • • 
   • 1 reply
   • 1.6k views
   • 
   • Steve Q
   • September 5, 2023

7. EGR cleaning spray - help with instructions

   By LG99, October 13, 2023
   • 0 replies
   • 1.6k views
   • 
   • LG99
   • October 13, 2023
9. • 

   Headlight Protectors

   By Jonboy, October 1, 2018
   • • 
   • 2 replies
   • 1.6k views
   • 
   • Steve Q
   • October 30, 2018
10. • 

    2022 S4 Start-Stop

    By Vern0207, June 3, 2022
    • • 
    • 5 replies
    • 1.6k views
    • 
    • Magnet
    • July 16, 2022
11. • 

    Headlamp condensation caused indicator to stop working

    By Paul T12, February 17, 2023
    • • 
    • 2 replies
    • 1.6k views
    • 
    • Paul T12
    • February 20, 2023
12. • 

    2017 (B9) A4 Avant 2.0 TDi S-Line Special Edition

    By Rigger, May 30, 2024
    • • 
    • 11 replies
    • 1.6k views
    • 
    • Magnet
    • June 25, 2024
14. • 

    Brake servo

    By Simon Bridges, June 2, 2023
    • • 
    • 4 replies
    • 1.6k views
    • 
    • Magnet
    • June 3, 2023
15. • 

    Audi A4 Inner Drivers Door Seal replacement

    By Stevieg162, October 6, 2023
    • • 
    • 1 reply
    • 1.6k views
    • 
    • Steve Q
    • October 8, 2023
16. • 

    Front bumper trim options

    By PG220, September 20, 2023
    • • 
    • 6 replies
    • 1.6k views
    • 
    • PG220
    • September 22, 2023
17. • 

    Exhaust Vapour

    By Stuart Cullingford, December 23, 2021
    • • 
    • 4 replies
    • 1.6k views
    • 
    • Magnet
    • December 10, 2022
18. • 

    Stop Start Restriction

    By Blueit, July 10, 2022
    • • 
    • 5 replies
    • 1.5k views
    • 
    • Steve Q
    • July 12, 2022

19. Shark Plug Change Help

    By Jezza92, September 16, 2023
    • 1 reply
    • 1.5k views
    • 
    • Brookfold
    • September 29, 2023
20. • 

    change key coding

    By peter1951, December 31, 2019
    • • 
    • 2 replies
    • 1.5k views
    • 
    • Paul A4B9
    • October 8, 2022
21. • 

    Weird thing happened..

    By Rob G, August 8, 2023
    • • 
    • 7 replies
    • 1.5k views
    • 
    • TheITGuy
    • August 12, 2023

22. AUDI a4 2017 adblue

    By thomaskeegan, January 4, 2023
    • 0 replies
    • 1.5k views
    • 
    • thomaskeegan
    • January 4, 2023
23. • 

    "35" power figure

    By Red Robbo, March 24, 2022
    • • 
    • 1 reply
    • 1.5k views
    • 
    • Steve Q
    • March 24, 2022

24. Advice Needed A4 Avant purchase

    By GiantJay, November 4, 2021
    • 4 replies
    • 1.5k views
    • 
    • dalswinton
    • November 6, 2021
25. • 

    engine vibration low revs 35TDI

    By chris new, January 6, 2023
    • • 
    • 2 replies
    • 1.5k views
    • 
    • Steve Q
    • January 7, 2023

26. Air Conditioning Control Panel Replacement

    By Godwin1985, August 16, 2023   

    • air conditioning
    • control panel
    • 2 replies
    • 1.5k views
    • 
    • Godwin1985
    • August 16, 2023
27. • 

    Help needed please - hole in the fuel tank area

    By Adz8, March 2, 2024   

    • audi
    • audi a4 b9
    • • 
    • 9 replies
    • 1.5k views
    • 
    • Adz8
    • March 3, 2024
28. • 

    Reading soot content in dpf

    By Mike Brown, June 21, 2021
    • • 
    • 1 reply
    • 1.5k views
    • 
    • Steve Q
    • June 22, 2021