Audi A4 (B9) Forum

759 topics in this forum

1. • 

   Clutch replacement

   By Saviola, January 20, 2024
   • • 
   • 13 replies
   • 8.3k views
   • 
   • Sid2020
   • February 8

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3. • 

   Virtual cockpit install

   By Craigian123, May 31, 2021
   • • 
   • 4 replies
   • 8.2k views
   • 
   • Hawkes77
   • February 14, 2022
4. • 

   Changing oil filter A4

   By Bishuk, September 10, 2023
   • • 
   • 18 replies
   • 8.1k views
   • 
   • Magnet
   • September 14, 2023
5. • 

   b8 or b9

   By gruff, April 24, 2022
   • • 
   • 4 replies
   • 8k views
   • 
   • Steve Q
   • April 24, 2022
6. • 

   B8 or B9

   By R0bb0, September 6, 2022
   • • 
   • 13 replies
   • 8k views
   • 
   • Steve Q
   • February 5, 2024
7. • 

   Voltage supply below limit alarm going off

   By Saraht, November 13, 2023
   • • 
   • 23 replies
   • 8k views
   • 
   • Saraht
   • November 27, 2023
9. • 

   CD player

   By mikesbooks, May 13, 2021
   • • 
   • 8 replies
   • 7.9k views
   • 
   • Steve Q
   • May 15, 2021
10. • 

    Space saver spare wheel.

    By james brown, January 30, 2022
    • • 
    • 7 replies
    • 7.8k views
    • 
    • james brown
    • February 27, 2022
11. • 

    Struggling to get high mpg

    By willswatts, January 20, 2021   

    • mpg
    • a4 b9
    • (and 2 more)

      Tagged with:

      • mpg
      • a4 b9
      • drive modes
      • fuel economy
    • • 
    • 8 replies
    • 7.8k views
    • 
    • TheITGuy
    • February 11, 2021
12. • 

    Does Spacesaver fit in the MHEV? 1 2

    By Peteb1951, February 10, 2024
    • • 
    • 40 replies
    • 7.7k views
    • 
    • Antec123
    • June 14, 2024
14. • 

    A4 35 TFSI and 40 TFSI real world mileage

    By Steve Rogers, May 18, 2024
    • • 
    • 9 replies
    • 7.6k views
    • 
    • cliffcoggin
    • June 13, 2024
15. • 

    Clutch pedal high

    By Red Robbo, May 6, 2021
    • • 
    • 7 replies
    • 7.6k views
    • 
    • Steve Q
    • August 3, 2021
16. • 

    Changing dashboard trim

    By Russell, January 5, 2018
    • • 
    • 2 replies
    • 7.6k views
    • 
    • Russell
    • January 7, 2018
17. • 

    Shock replacement cost

    By Witchcraft, September 9, 2021
    • • 
    • 3 replies
    • 7.5k views
    • 
    • Magnet
    • September 9, 2021

18. 10 digit number on key

    By Matty1874, April 18, 2021   

    • myaudi
    • 2 replies
    • 7.5k views
    • 
    • Trev 75
    • April 19, 2021

19. Airbag fault code help B10051A

    By scriptedpixels, April 27, 2022   

    • airbag indicator
    • 3 replies
    • 7.4k views
    • 
    • Stevey Y
    • April 27, 2022
20. • 

    Audi A4 B9 dash rattle/knocking sound passenger side

    By Omar A4 B9, August 25, 2020
    • • 
    • 9 replies
    • 7.3k views
    • 
    • Steve Q
    • September 7, 2020

21. Lumpy on idle

    By Redsfan2008, September 8, 2022
    • 10 replies
    • 7.3k views
    • 
    • jdragon
    • September 18, 2022
22. • 

    Engine movement when stationary

    By Damask_Rose, February 19, 2022
    • • 
    • 13 replies
    • 7.3k views
    • 
    • Stevey Y
    • April 30, 2022

23. Weak heat

    By hamzaidlrbe, November 18, 2023
    • 18 replies
    • 7.2k views
    • 
    • ian.f
    • February 5, 2024
24. • 

    40TFSI service intervals and service plans

    By simonb82, July 17, 2022
    • • 
    • 12 replies
    • 7.2k views
    • 
    • Magnet
    • December 23, 2023
25. • 

    Brake Disc & Pad upgrade

    By Rob G, September 22, 2023
    • • 
    • 8 replies
    • 7.1k views
    • 
    • Magnet
    • October 7, 2023

26. Air con not working

    By Crabbers29, February 5, 2023   

    • compressor
    • aircon
    • (and 3 more)

      Tagged with:

      • compressor
      • aircon
      • pressure switch
      • a4
      • b9
    • 4 replies
    • 7.1k views
    • 
    • Salter
    • June 25, 2023

27. A4 Black edition - Audi logo on rear doors

    By bigmick777, May 30, 2018
    • 8 replies
    • 6.9k views
    • 
    • DABroke
    • August 5, 2018

28. S4 fake exhausts

    By Karl g, May 5, 2021
    • 8 replies
    • 6.9k views
    • 
    • rewind936
    • February 14, 2023