Audi A4 (B9) Forum

688 topics in this forum

1. • 

   Coolant hose from reservoir to radiator broken HELP

   By figo_rulz11, July 30, 2023
   • • 
   • 11 replies
   • 11k views
   • 
   • Steve Q
   • August 8, 2023

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3. Help!! fuel flap stuck

   By audi999, August 8, 2023
   • 1 reply
   • 652 views
   • 
   • Anton8
   • August 8, 2023
4. • 

   Humming/droning noise

   By MCCLOY96, August 7, 2023
   • • 
   • 1 reply
   • 3k views
   • 
   • Magnet
   • August 7, 2023

5. Parking sensor warning light normal?

   By Mrisir, August 6, 2023
   • 0 replies
   • 374 views
   • 
   • Mrisir
   • August 6, 2023
6. • 

   Fender Popping When Opening Door

   By Ujw, August 3, 2023
   • • 
   • 1 reply
   • 465 views
   • 
   • Steve Q
   • August 4, 2023

7. turn off all electrics for hardwiring dashcam

   By Mrisir, August 3, 2023   

   • mmi
   • audi a4 b9
   • (and 1 more)

     Tagged with:

     • mmi
     • audi a4 b9
     • dashcam wiring
   • 6 replies
   • 2.7k views
   • 
   • Mrisir
   • August 3, 2023
9. • 

   A4 Avant (B9) Battery replacement

   By Chris 747, July 23, 2023
   • • 
   • 9 replies
   • 5.9k views
   • 
   • alpha omega
   • August 1, 2023

10. Seat covers A4 SE

    By Tomans, July 28, 2023
    • 0 replies
    • 348 views
    • 
    • Tomans
    • July 28, 2023

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

    By Jastewart91, July 23, 2023
    • 0 replies
    • 514 views
    • 
    • Jastewart91
    • July 23, 2023
12. • 

    2020 on Mild Hybrid, MHEV, Audi A4

    By Sprint, March 25, 2023
    • • 
    • 15 replies
    • 18.3k views
    • 
    • Chris 747
    • July 23, 2023
14. • 

    Break Servo Warning ABS

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

15. Ad Blue recommendations

    By Rob G, July 5, 2023
    • 5 replies
    • 5.2k views
    • 
    • Stevey Y
    • July 13, 2023
16. • 

    Service - Next Inspection Due

    By willie6671, July 10, 2023
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    • 9 replies
    • 4.4k views
    • 
    • willie6671
    • July 10, 2023
17. • 

    Wanabee

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

18. Front and rear badge size

    By Gary100, March 30, 2023
    • 7 replies
    • 4.2k views
    • 
    • CraigR1977
    • July 8, 2023

19. Black replacement emblems

    By Ralphy87, July 7, 2023
    • 2 replies
    • 1.3k views
    • 
    • CraigR1977
    • July 8, 2023

20. Air con not working

    By Crabbers29, February 5, 2023   

    • compressor
    • aircon
    • (and 3 more)

      Tagged with:

      • compressor
      • aircon
      • pressure switch
      • a4
      • b9
    • 4 replies
    • 5.4k views
    • 
    • Salter
    • June 25, 2023
21. • 

    Engine Remap

    By Greg W, September 18, 2021
    • • 
    • 9 replies
    • 7.6k views
    • 
    • Stevey Y
    • June 24, 2023

22. DPF issue

    By Paddy M, August 1, 2022
    • 12 replies
    • 9.2k views
    • 
    • Suri66
    • June 22, 2023

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

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

24. 2018 Audi S4 Throttle Lag Fixes?

    By BrentB, June 17, 2023
    • 0 replies
    • 1.9k views
    • 
    • BrentB
    • June 17, 2023
25. • 

    Outdoor Car Cover for Audi A4 (B9) 2017

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

26. Minor ding repairs

    By Wilko91, June 14, 2023
    • 4 replies
    • 702 views
    • 
    • Wilko91
    • June 15, 2023
27. • 

    Fault code P200200 Particulate Trap Bank 1

    By James397, June 16, 2021
    • • 
    • 3 replies
    • 24.1k views
    • 
    • Stevey Y
    • June 14, 2023
28. • 

    Tapping from top of engine and whining through gears

    By slapsalmon, June 11, 2023
    • • 
    • 8 replies
    • 1.4k views
    • 
    • slapsalmon
    • June 12, 2023