Audi A4 (B9) Forum

762 topics in this forum

1. HPFP failure

   By Audi mobile A4, May 23, 2021
   • 5 replies
   • 5.7k views
   • 
   • Stevey Y
   • May 25, 2021

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3. Humming noise when steering Audi A5 2021

   By Michael 3004, March 5
   • 0 replies
   • 227 views
   • 
   • Michael 3004
   • March 5
4. • 

   Humming/droning noise

   By MCCLOY96, August 7, 2023
   • • 
   • 1 reply
   • 4k views
   • 
   • Magnet
   • August 7, 2023

5. I can’t find a used B9 with Atlas beige interior??

   By Mzaidi97, August 16, 2019   

   • a4 b9
   • used car
   • (and 1 more)

     Tagged with:

     • a4 b9
     • used car
     • beige
   • 0 replies
   • 798 views
   • 
   • Mzaidi97
   • August 16, 2019

6. Identify headlight type and Europe driving

   By RussF99, January 5, 2020
   • 0 replies
   • 1.8k views
   • 
   • RussF99
   • January 5, 2020
7. • 

   Impressed with the 35 TDI engine

   By Steve Rogers, August 27, 2023
   • • 
   • 1 reply
   • 3.5k views
   • 
   • Steve Q
   • August 28, 2023

9. Improving B&O subwoofer

   By Foxxyblieu9, September 29, 2023
   • 0 replies
   • 1.3k views
   • 
   • Foxxyblieu9
   • September 29, 2023

10. Indicator lights flashing 1 2

    By sburt93, January 25
    • 31 replies
    • 1.9k views
    • 
    • Sid2020
    • February 9
11. • 

    Indicator question

    By NathanB, May 4, 2021
    • • 
    • 4 replies
    • 3.3k views
    • 
    • Paul A4B9
    • October 8, 2022

12. Information on a crash

    By Ross86, December 6, 2019
    • 1 reply
    • 1.2k views
    • 
    • Audi Owners Club.
    • December 6, 2019

14. Injector number 2

    By Chuds, March 20, 2020
    • 0 replies
    • 560 views
    • 
    • Chuds
    • March 20, 2020

15. Injector number 2

    By Chuds, March 20, 2020
    • 0 replies
    • 927 views
    • 
    • Chuds
    • March 20, 2020

16. Inside wheel arch

    By Audi72, April 23, 2017
    • 1 reply
    • 3.7k views
    • 
    • Audi Owners Club.
    • April 24, 2017

17. Intake manifold position sensor switch circuit

    By Squidge1, January 27
    • 0 replies
    • 173 views
    • 
    • Squidge1
    • January 27
18. • 

    Interior clean - seats and piano black trim

    By Stacey_Hin, June 28, 2021
    • • 
    • 1 reply
    • 2.6k views
    • 
    • Steve Q
    • June 29, 2021

19. Interior lighting

    By Butch, January 8
    • 1 reply
    • 457 views
    • 
    • RShole
    • January 8
20. • 

    Interior lights

    By Ralphie, January 12, 2024
    • • 
    • 5 replies
    • 2.9k views
    • 
    • Peter Williams 9
    • February 21, 2024
21. • 

    Interior lights not coming on when ignition switched off

    By Slevin Kelevra, February 2, 2021
    • • 
    • 4 replies
    • 4.6k views
    • 
    • Slevin Kelevra
    • March 18, 2021
22. • 

    Interior swap

    By ivanvasa4, February 22, 2024
    • • 
    • 6 replies
    • 2.9k views
    • 
    • DAN@ADRIAN FLUX
    • March 9, 2024
23. • 

    Internal smell

    By Golfer 17, June 20, 2017
    • • 
    • 3 replies
    • 2.8k views
    • 
    • Rob F
    • June 20, 2017
24. • 

    Ion system unavailable?

    By fysmd, April 30, 2021
    • • 
    • 1 reply
    • 1.5k views
    • 
    • Steve Q
    • May 4, 2021

25. Is there anywhere that can Code/Tune by Audi A4 B9 to enable active lane assist?

    By Arshad07, November 12, 2019
    • 0 replies
    • 1.5k views
    • 
    • Arshad07
    • November 12, 2019
26. • 

    Key fobs not working

    By MICKTHEMAC, August 5, 2020
    • • 
    • 17 replies
    • 12.5k views
    • 
    • MICKTHEMAC
    • August 23, 2020
27. • 

    Keyless entry

    By Bluephenix, June 17, 2022
    • • 
    • 7 replies
    • 19.4k views
    • 
    • Steve Q
    • June 19, 2022

28. Keyless entry

    By Wheatfielder, January 12, 2023
    • 2 replies
    • 2.3k views
    • 
    • Wheatfielder
    • January 12, 2023