Audi A4 (B9) Forum

762 topics in this forum

1. • 

   Adblue Fault Message

   By Scott123, February 9, 2023
   • • 
   • 2 replies
   • 6.9k views
   • 
   • Stevey Y
   • February 9, 2023

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3. Adblue fault no restart after 650miles, Error codes P20BC,P20E8 1 2

   By Doctor786, October 16, 2022
   • 30 replies
   • 65.5k views
   • 
   • Ashaudiq7
   • July 1, 2024

4. Adblue fault no restart in 650 miles

   By Weldted, May 17, 2024
   • 2 replies
   • 1.4k views
   • 
   • Weldted
   • May 18, 2024
5. • 

   Adblue Fault P20E8 & P208C

   By Cb1992, February 17
   • • 
   • 2 replies
   • 815 views
   • 
   • dorsborne
   • March 7

6. Adblue scam?

   By Tubbybear, October 13, 2023
   • 4 replies
   • 5.5k views
   • 
   • Goose2017
   • March 31, 2024
7. • 

   AdBlue tank fault 1 2

   By haggis_, January 18, 2023
   • • 
   • 29 replies
   • 33.9k views
   • 
   • Pc759
   • July 27, 2024
9. • 

   Add Blue failure

   By Stratman59, January 17, 2024
   • • 
   • 2 replies
   • 798 views
   • 
   • Hammie1982
   • January 18, 2024
10. • 

    Adjustable front central arm rest

    By Thegingerbear, March 8, 2022
    • • 
    • 2 replies
    • 1.4k views
    • 
    • Thegingerbear
    • March 17, 2022

11. Advice Needed A4 Avant purchase

    By GiantJay, November 4, 2021
    • 4 replies
    • 1.7k views
    • 
    • dalswinton
    • November 6, 2021
12. • 

    Advice on performance

    By SLUK, September 25, 2023
    • • 
    • 7 replies
    • 2k views
    • 
    • Steve Q
    • September 29, 2023

14. Advice please

    By Steve101, December 2, 2016   

    • reliability
    • 2 replies
    • 2.4k views
    • 
    • M4SK13
    • September 3, 2017
15. • 

    Advisory on brake disc at first MOT

    By Stacey_Hin, June 1, 2021
    • • 
    • 2 replies
    • 1.2k views
    • 
    • Stacey_Hin
    • June 6, 2021
16. • 

    Aftermarket clutch kit UK A4 B9 1.4tfsi

    By FancyVW, January 31, 2023
    • • 
    • 5 replies
    • 4.3k views
    • 
    • Magnet
    • February 18, 2023

17. Air con not working

    By Crabbers29, February 5, 2023   

    • compressor
    • aircon
    • (and 3 more)

      Tagged with:

      • compressor
      • aircon
      • pressure switch
      • a4
      • b9
    • 4 replies
    • 7.2k views
    • 
    • Salter
    • June 25, 2023

18. Air Conditioning Control Panel Replacement

    By Godwin1985, August 16, 2023   

    • air conditioning
    • control panel
    • 2 replies
    • 1.7k views
    • 
    • Godwin1985
    • August 16, 2023

19. Air filter replacement

    By marc4099, January 8, 2021
    • 8 replies
    • 11.1k views
    • 
    • Stevey Y
    • February 10, 2023
20. • 

    Air intake Flaps audi A4 b9

    By scottishlad91, April 9
    • • 
    • 5 replies
    • 464 views
    • 
    • Sid2020
    • April 14

21. Airbag fault code help B10051A

    By scriptedpixels, April 27, 2022   

    • airbag indicator
    • 3 replies
    • 7.5k views
    • 
    • Stevey Y
    • April 27, 2022
22. • 

    All in one service/warranty plan advice

    By Fridgeguy, August 17, 2022
    • • 
    • 14 replies
    • 10.7k views
    • 
    • dalswinton
    • August 20, 2022

23. alloy fitment

    By MARC81, February 24, 2021
    • 0 replies
    • 533 views
    • 
    • MARC81
    • February 24, 2021

24. Alloy Paint Code

    By Sparky001, June 10
    • 1 reply
    • 167 views
    • 
    • spartacus 68
    • June 10

25. Alloy wheels

    By DBrooks, July 25, 2022
    • 2 replies
    • 1.9k views
    • 
    • DBrooks
    • July 26, 2022
26. • 

    Alloys 20x9J ET30

    By MCCLOY96, August 11, 2023
    • • 
    • 3 replies
    • 1.8k views
    • 
    • audia4b5kev
    • August 12, 2023

27. Allroad B9 2018 wireles AA?

    By Phloem, March 8, 2024
    • 0 replies
    • 598 views
    • 
    • Phloem
    • March 8, 2024

28. Am I missing a nut ?

    By HeadlessChicken, March 22, 2024
    • 0 replies
    • 383 views
    • 
    • HeadlessChicken
    • March 22, 2024