Audi A4 (B9) Forum

614 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 24

   By Stevie84, August 4, 2019
   • • 
   • 598 replies
   • 232.2k views
   • 
   • itchysudo
   • March 29

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3. • 

   A4 allroad Retrofit genuine Audi Swivel/Retracting towbar A4 B9 and All-Road

   By Steve Q, April 18, 2022
   • • 
   • 6 replies
   • 5.6k views
   • 
   • Steve Q
   • June 9, 2023
4. • 

   Audi A4 b9 Avant load guard fitting guide

   By Steve Q, April 20, 2022
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   • 0 replies
   • 2.6k views
   • 
   • Steve Q
   • April 20, 2022
5. • 

   Glow plug light flashing

   By AdamLa, February 2, 2023
   • • 
   • 3 replies
   • 2.7k views
   • 
   • MinhaalN
   • 16 hours ago
6. • 

   Climate Interior Temp sensor fault

   By Rob G, April 21
   • • 
   • 5 replies
   • 226 views
   • 
   • Steve Q
   • Thursday at 08:21 PM
7. • 

   Wireless charger USB plugs under armrest faulty?

   By Nygie, Wednesday at 07:34 PM
   • • 
   • 4 replies
   • 104 views
   • 
   • Nygie
   • Thursday at 07:23 PM

9. Anyone had adblue coded out?

   By Tommeh93, April 30
   • 0 replies
   • 91 views
   • 
   • Tommeh93
   • April 30
10. • 

    A3 courtesy car whilst my A4 is at the dealers

    By Steve Rogers, October 13, 2023
    • • 
    • 8 replies
    • 935 views
    • 
    • icstm
    • April 29

11. A4 2011 model apple car play

    By Glyn911, April 28
    • 0 replies
    • 64 views
    • 
    • Glyn911
    • April 28
12. • 

    Lost communication with reductant control module

    By Tommeh93, April 25
    • • 
    • 1 reply
    • 173 views
    • 
    • Steve Q
    • April 25
14. • 

    Audi A4 3.0 V6

    By kriss, April 23
    • • 
    • 3 replies
    • 176 views
    • 
    • kriss
    • April 24
15. • 

    Main dealer “ Gesture” …Pleasantly surprised!

    By Wilko91, April 16
    • • 
    • 1 reply
    • 252 views
    • 
    • Steve Q
    • April 21

16. Second keyless key fob for A4 allroad

    By Andy Collis, April 21
    • 2 replies
    • 106 views
    • 
    • Andy Collis
    • April 21

17. Audi Extended Warranty On A 7 Year Old Car?

    By Ujw, April 8
    • 2 replies
    • 229 views
    • 
    • Wilko91
    • April 16
18. • 

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

    By Doctor786, October 16, 2022
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    • 28 replies
    • 31.1k views
    • 
    • flatoutflatbroke
    • April 16

19. HESITATION WHEN PULLING AWAY

    By Firkindolloper, April 16
    • 0 replies
    • 128 views
    • 
    • Firkindolloper
    • April 16

20. 2017 A4 42,000 miles needing a new clutch? Question

    By RyanC88, April 15
    • 2 replies
    • 148 views
    • 
    • Lynne McDonnell
    • April 15

21. Extended warranty on a used car that missed a service?

    By RyanC88, April 15
    • 0 replies
    • 90 views
    • 
    • RyanC88
    • April 15
22. • 

    Current Build Time 1 2 3 4 7

    By stufos, June 14, 2023
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    • 154 replies
    • 15.8k views
    • 
    • Delberthot
    • April 9
23. • 

    Audi MMI Car Setting

    By Moses, April 4
    • • 
    • 5 replies
    • 371 views
    • 
    • Steve Q
    • April 4
24. • 

    AUDI A4 B9 2016 OW - Cooling Radiator 8W0.145.804.D GENUINE

    By Kyrie, April 2
    • • 
    • 3 replies
    • 173 views
    • 
    • Kyrie
    • April 2

25. Replacement 10 digit code for Audi Connect

    By tankeen86, February 4, 2021
    • 18 replies
    • 48.3k views
    • 
    • Mick B
    • April 1

26. Coolant leak?

    By Wilko91, March 31
    • 4 replies
    • 226 views
    • 
    • Wilko91
    • March 31

27. Adblue scam?

    By Tubbybear, October 13, 2023
    • 4 replies
    • 1.7k views
    • 
    • Goose2017
    • March 31
28. • 

    Random fan noise from front of car

    By Mrisir, August 12, 2023
    • • 
    • 7 replies
    • 1.4k views
    • 
    • Noodles
    • March 29