Audi A4 (B9) Forum

673 topics in this forum

1. Will Pre Sense City Brake While Reversing?

   By Ujw, February 20, 2023
   • 2 replies
   • 966 views
   • 
   • jdragon
   • February 21, 2023

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3. • 

   Headlamp condensation caused indicator to stop working

   By Paul T12, February 17, 2023
   • • 
   • 2 replies
   • 1.3k views
   • 
   • Paul T12
   • February 20, 2023
4. • 

   1.4tfsi revs jumping on acceleration.

   By Ben999, February 13, 2023
   • • 
   • 8 replies
   • 4.1k views
   • 
   • Millsy8181
   • April 1, 2023
5. • 

   Rear seat space between child seats

   By simonb82, February 10, 2023
   • • 
   • 3 replies
   • 1k views
   • 
   • Steve Q
   • February 11, 2023
6. • 

   Adblue Fault Message

   By Scott123, February 9, 2023
   • • 
   • 2 replies
   • 5.1k views
   • 
   • Stevey Y
   • February 9, 2023

7. Battery sensor

   By Darc, February 7, 2023
   • 0 replies
   • 793 views
   • 
   • Darc
   • February 7, 2023
9. • 

   65685 - Heated seat backrest; front right not working

   By figo_rulz11, February 6, 2023   

   • heated seat
   • heated seats
   • • 
   • 16 replies
   • 9.6k views
   • 
   • figo_rulz11
   • March 14, 2023

10. Air con not working

    By Crabbers29, February 5, 2023   

    • compressor
    • aircon
    • (and 3 more)

      Tagged with:

      • compressor
      • aircon
      • pressure switch
      • a4
      • b9
    • 4 replies
    • 4.9k views
    • 
    • Salter
    • June 25, 2023

11. Audi A4 B9 AWD squeaking noise ( video inside )

    By dirolas, February 2, 2023
    • 1 reply
    • 3.1k views
    • 
    • 53willys
    • April 15, 2023

12. Glow plug light flashing

    By AdamLa, February 2, 2023
    • 3 replies
    • 3.7k views
    • 
    • MinhaalN
    • May 5
14. • 

    My Audi app

    By Wheatfielder, January 31, 2023
    • • 
    • 4 replies
    • 2.7k views
    • 
    • Steve Q
    • February 2, 2023
15. • 

    Aftermarket clutch kit UK A4 B9 1.4tfsi

    By FancyVW, January 31, 2023
    • • 
    • 5 replies
    • 3.1k views
    • 
    • Magnet
    • February 18, 2023
16. • 

    2018 A4 key fob programming

    By audia4john, January 31, 2023
    • • 
    • 1 reply
    • 5.5k views
    • 
    • Steve Q
    • January 31, 2023
17. • 

    Both USB ports under armrest stopped working

    By Ujw, January 30, 2023
    • • 
    • 5 replies
    • 6.4k views
    • 
    • Steve Q
    • April 30, 2023

18. MPG

    By Wheatfielder, January 30, 2023
    • 0 replies
    • 775 views
    • 
    • Wheatfielder
    • January 30, 2023

19. P08700 error code

    By shadowshlee, January 30, 2023
    • 0 replies
    • 1.4k views
    • 
    • shadowshlee
    • January 30, 2023

20. VCDS usability for an A4 B9 (2021)

    By axelz, January 29, 2023
    • 3 replies
    • 2.3k views
    • 
    • axelz
    • January 30, 2023
21. • 

    Real mpg

    By Laurentiu, January 23, 2023
    • • 
    • 11 replies
    • 4k views
    • 
    • 56Doc
    • January 24, 2023
22. • 

    Why Was the A4 1.4 Discontinued?

    By Ujw, January 19, 2023
    • • 
    • 4 replies
    • 2.6k views
    • 
    • Steve Q
    • January 21, 2023
23. • 

    67 plate A4 quattro s-line cam belt / water pump replacement

    By norfolkngood, January 19, 2023
    • • 
    • 20 replies
    • 1.5k views
    • 
    • norfolkngood
    • January 26, 2023
24. • 

    Excessive wear to rear tyres on quattro system

    By haggis_, January 18, 2023
    • • 
    • 1 reply
    • 1.4k views
    • 
    • Magnet
    • January 18, 2023
25. • 

    AdBlue tank fault 1 2

    By haggis_, January 18, 2023
    • • 
    • 29 replies
    • 21.3k views
    • 
    • Pc759
    • July 27
26. • 

    Remap for Audi 35 tdi automatic

    By Ralphy87, January 17, 2023
    • • 
    • 1 reply
    • 1.6k views
    • 
    • Steve Q
    • January 17, 2023
27. • 

    No heat / auxiliary pump issues

    By white_shark, January 17, 2023
    • • 
    • 16 replies
    • 9.9k views
    • 
    • fat al
    • December 11, 2023
28. • 

    new key

    By Laurentiu, January 16, 2023
    • • 
    • 1 reply
    • 730 views
    • 
    • Steve Q
    • January 17, 2023