Audi A4 (B9) Forum

740 topics in this forum

1. • 

   Humming/droning noise

   By MCCLOY96, August 7, 2023
   • • 
   • 1 reply
   • 3.6k views
   • 
   • Magnet
   • August 7, 2023

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3. • 

   Considering A4 Avant

   By thunderbirds, February 27, 2019
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   • 4 replies
   • 3.6k views
   • 
   • thunderbirds
   • March 2, 2019
4. • 

   What Engine Oil

   By Chris1986, May 15, 2023
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   • 5 replies
   • 3.6k views
   • 
   • alpha omega
   • May 16, 2023
5. • 

   Stop Start v Air Con

   By NewtonHeath, October 26, 2022
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   • 18 replies
   • 3.6k views
   • 
   • Magnet
   • November 3, 2022
6. • 

   Audi auto gearbox. Oil service/change for auto and manual

   By parxuk, January 15, 2024
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   • 2 replies
   • 3.6k views
   • 
   • parxuk
   • January 15, 2024

7. A4 3.0 to Quattro sline avant reliability

   By Johnny, August 4, 2017
   • 3 replies
   • 3.5k views
   • 
   • Robbo8988
   • January 8, 2018
9. • 

   audi b9 avant paint code

   By audi999, June 25, 2022
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   • 4 replies
   • 3.5k views
   • 
   • Magnet
   • June 27, 2022

10. Inside wheel arch

    By Audi72, April 23, 2017
    • 1 reply
    • 3.5k views
    • 
    • Audi Owners Club.
    • April 24, 2017
11. • 

    towbar advice

    By audi998, June 4, 2020
    • • 
    • 3 replies
    • 3.5k views
    • 
    • Steve Q
    • June 4, 2020
12. • 

    Can you change headlamp bulbs

    By SIFI, November 22, 2018
    • • 
    • 1 reply
    • 3.4k views
    • 
    • Steve Q
    • November 22, 2018
14. • 

    2017 3L TDI NOT STARTING

    By Firkindolloper, April 15, 2022
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    • 16 replies
    • 3.4k views
    • 
    • Firkindolloper
    • April 28, 2022

15. Are A4 1.4TFSI maintenance costs actually that high?

    By MarkD, November 18, 2020
    • 1 reply
    • 3.4k views
    • 
    • Michael Butcher
    • November 22, 2020

16. Glow plugs

    By Nightfury, March 16, 2021
    • 0 replies
    • 3.4k views
    • 
    • Nightfury
    • March 16, 2021
17. • 

    Re Map

    By Pablo 1, September 7, 2022
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    • 8 replies
    • 3.4k views
    • 
    • Momosissoko
    • September 15, 2022
18. • 

    Audi A4 2.0 TDI

    By Kams, November 20, 2018   

    • adblue
    • 2.0 tdi
    • • 
    • 4 replies
    • 3.3k views
    • 
    • jimfoz75
    • February 12, 2019

19. 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
    • 3.3k views
    • 
    • Mrisir
    • August 3, 2023

20. VCDS usability for an A4 B9 (2021)

    By axelz, January 29, 2023
    • 3 replies
    • 3.3k views
    • 
    • axelz
    • January 30, 2023
21. • 

    My Audi app

    By Wheatfielder, January 31, 2023
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    • 4 replies
    • 3.3k views
    • 
    • Steve Q
    • February 2, 2023

22. B9 A4/S4 seat question

    By Pinback66, November 24, 2017   

    • seat b9 s4 problem fault issue electric
    • 1 reply
    • 3.3k views
    • 
    • Pinback66
    • November 24, 2017
23. • 

    Random fan noise from front of car

    By Mrisir, August 12, 2023
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    • 7 replies
    • 3.3k views
    • 
    • Noodles
    • March 29, 2024
24. • 

    Oil Service after 5000 miles? Really!!!

    By NoWayMan73, June 12, 2018
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    • 10 replies
    • 3.3k views
    • 
    • Magnet
    • July 8, 2018
25. • 

    Knocking sound on full lock

    By onemanclapping, May 31, 2018
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    • 3 replies
    • 3.3k views
    • 
    • onemanclapping
    • June 7, 2018

26. Entertainment faded option not working

    By kal-el, March 21, 2017   

    • mmi
    • software
    • 5 replies
    • 3.3k views
    • 
    • Audi Owners Club.
    • March 21, 2017
27. • 

    Impressed with the 35 TDI engine

    By Steve Rogers, August 27, 2023
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    • 1 reply
    • 3.2k views
    • 
    • Steve Q
    • August 28, 2023
28. • 

    New A4 Avant, Just fitted OEM SS pedal covers

    By scalawag, June 15, 2018
    • • 
    • 1 reply
    • 3.2k views
    • 
    • Steve Q
    • June 15, 2018