Audi A4 (B9) Forum

729 topics in this forum

1. Audi A4 B9 1.4 tfsi Knocking/crushing noise while turning

   By Jastewart91, July 23, 2023
   • 0 replies
   • 581 views
   • 
   • Jastewart91
   • July 23, 2023

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3. • 

   2020 on Mild Hybrid, MHEV, Audi A4

   By Sprint, March 25, 2023
   • • 
   • 15 replies
   • 22.8k views
   • 
   • Chris 747
   • July 23, 2023
4. • 

   Break Servo Warning ABS

   By kamkamkamkam, July 6, 2023
   • • 
   • 3 replies
   • 1.2k views
   • 
   • Steve Q
   • July 22, 2023

5. Ad Blue recommendations

   By Rob G, July 5, 2023
   • 5 replies
   • 6.8k views
   • 
   • Stevey Y
   • July 13, 2023
6. • 

   Service - Next Inspection Due

   By willie6671, July 10, 2023
   • • 
   • 9 replies
   • 5.3k views
   • 
   • willie6671
   • July 10, 2023
7. • 

   Wanabee

   By andypandy1961, July 4, 2023
   • • 
   • 2 replies
   • 1k views
   • 
   • Steve Q
   • July 10, 2023

9. Front and rear badge size

   By Gary100, March 30, 2023
   • 7 replies
   • 5.3k views
   • 
   • CraigR1977
   • July 8, 2023

10. Black replacement emblems

    By Ralphy87, July 7, 2023
    • 2 replies
    • 1.5k views
    • 
    • CraigR1977
    • July 8, 2023

11. Air con not working

    By Crabbers29, February 5, 2023   

    • compressor
    • aircon
    • (and 3 more)

      Tagged with:

      • compressor
      • aircon
      • pressure switch
      • a4
      • b9
    • 4 replies
    • 5.9k views
    • 
    • Salter
    • June 25, 2023
12. • 

    Engine Remap

    By Greg W, September 18, 2021
    • • 
    • 9 replies
    • 8.6k views
    • 
    • Stevey Y
    • June 24, 2023

14. DPF issue

    By Paddy M, August 1, 2022
    • 12 replies
    • 10.4k views
    • 
    • Suri66
    • June 22, 2023

15. Bilstein B16 Damptronic V B16 PSS10 on Audi S4 Avant B9

    By robjames, June 19, 2023
    • 1 reply
    • 1.2k views
    • 
    • Stevey Y
    • June 19, 2023

16. 2018 Audi S4 Throttle Lag Fixes?

    By BrentB, June 17, 2023
    • 0 replies
    • 2.1k views
    • 
    • BrentB
    • June 17, 2023
17. • 

    Outdoor Car Cover for Audi A4 (B9) 2017

    By MrTippeX, June 15, 2023
    • • 
    • 1 reply
    • 551 views
    • 
    • Steve Q
    • June 16, 2023

18. Minor ding repairs

    By Wilko91, June 14, 2023
    • 4 replies
    • 781 views
    • 
    • Wilko91
    • June 15, 2023
19. • 

    Fault code P200200 Particulate Trap Bank 1

    By James397, June 16, 2021
    • • 
    • 3 replies
    • 28.2k views
    • 
    • Stevey Y
    • June 14, 2023
20. • 

    Tapping from top of engine and whining through gears

    By slapsalmon, June 11, 2023
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    • 8 replies
    • 1.6k views
    • 
    • slapsalmon
    • June 12, 2023
21. • 

    A4 Avant Power Tailgate Failure

    By warrenlmilton, April 28, 2022
    • • 
    • 4 replies
    • 5.3k views
    • 
    • DaveyO
    • June 11, 2023
22. • 

    MMI screen unit replacement help

    By Ce19, June 10, 2023
    • • 
    • 1 reply
    • 2k views
    • 
    • Steve Q
    • June 11, 2023

23. A4 Avant Front left leak

    By jmagd, June 9, 2023   

    • leak
    • repair
    • (and 3 more)

      Tagged with:

      • leak
      • repair
      • advice needed please
      • a4 avant
      • a4
    • 2 replies
    • 2.4k views
    • 
    • jmagd
    • June 9, 2023

24. Clicking noise

    By Saraht, June 2, 2023
    • 2 replies
    • 1.9k views
    • 
    • Saraht
    • June 4, 2023
25. • 

    Brake servo

    By Simon Bridges, June 2, 2023
    • • 
    • 4 replies
    • 1.5k views
    • 
    • Magnet
    • June 3, 2023
26. • 

    The Last Issue!!!! #clutch #cylinder #awful

    By TracyDan9, November 4, 2020
    • • 
    • 8 replies
    • 8.7k views
    • 
    • Magnet
    • June 2, 2023

27. Help please, what is this residue on the engine?

    By audiCM73, May 31, 2023
    • 1 reply
    • 1.1k views
    • 
    • Stevey Y
    • May 31, 2023
28. • 

    Audi A4 B6 2005 - Brake servo fault

    By Peter62, May 30, 2023
    • • 
    • 1 reply
    • 481 views
    • 
    • Steve Q
    • May 30, 2023