Audi A4 (B9) Forum

688 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 26

   By Stevie84, August 4, 2019
   • • 
   • 631 replies
   • 285.2k views
   • 
   • MarkH13
   • September 30

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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
   • 7.4k 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
   • 3.1k views
   • 
   • Steve Q
   • April 20, 2022
5. • 

   HELP - heater core replacement

   By RE001, September 9, 2023
   • • 
   • 8 replies
   • 6.1k views
   • 
   • RE001
   • 12 minutes ago

6. Cold air to footwell and back passenger vents A4 B9

   By Vytas, 7 hours ago
   • 0 replies
   • 50 views
   • 
   • Vytas
   • 7 hours ago

7. A4 B9 recirculation flap motor issue

   By Mark9918, August 4, 2022
   • 9 replies
   • 7.1k views
   • 
   • Vytas
   • 7 hours ago
9. • 

   2.0 tdi ultra

   By andy1976, Monday at 08:19 PM
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   • 9 replies
   • 208 views
   • 
   • Steve Q
   • 12 hours ago
10. • 

    Hesitant accelerator and gearshift holding

    By Krg1a, November 8
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    • 5 replies
    • 239 views
    • 
    • Krg1a
    • November 13
11. • 

    Wheels from 18 to 19 - pro and con

    By Karol3dd, November 7, 2022
    • • 
    • 15 replies
    • 6.4k views
    • 
    • bhuman
    • November 12

12. 65000 Misfires On Each Cylinder?

    By Ujw, November 10
    • 0 replies
    • 83 views
    • 
    • Ujw
    • November 10
14. • 

    2.0 TDI rattle sound

    By Kvint, November 2
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    • 3 replies
    • 157 views
    • 
    • cliffcoggin
    • November 3
15. • 

    Any recommendations for brake pads and discs?

    By a4b9beauty, October 23   

    • brakepads
    • discs pads
    • • 
    • 12 replies
    • 468 views
    • 
    • Magnet
    • November 2
16. • 

    AUDI A4 1.4 TFSI 2018

    By Motornumber52, November 1
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    • 4 replies
    • 239 views
    • 
    • cliffcoggin
    • November 2
17. • 

    Vibrations

    By Richatd, October 21
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    • 3 replies
    • 265 views
    • 
    • cliffcoggin
    • November 1

18. Audi A4 P245600 error

    By Parfiii, October 27
    • 0 replies
    • 211 views
    • 
    • Parfiii
    • October 27

19. Drive fault when towing

    By Tractorboy54, October 26
    • 0 replies
    • 116 views
    • 
    • Tractorboy54
    • October 26

20. 2019 A4 Wired Car Play worked, but now does not.

    By HeadlessChicken, October 23
    • 0 replies
    • 170 views
    • 
    • HeadlessChicken
    • October 23
21. • 

    Mystery door noise/vibration (Not the usual suspects) - HELP

    By M4Rob, October 19
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    • 3 replies
    • 185 views
    • 
    • Steve Q
    • October 20
22. • 

    HESITATION WHEN PULLING AWAY

    By Firkindolloper, April 16
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    • 5 replies
    • 622 views
    • 
    • Sheppard
    • October 15
23. • 

    Replace inflation kit with a space saver spare wheel

    By rockhopper, April 14
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    • 8 replies
    • 2.2k views
    • 
    • Martyn W
    • October 14

24. Knocking/fluttering/ticking sound when accelerating

    By LG99, May 16   

    • a4 2.0 tdi
    • engine noise
    • 2 replies
    • 1.4k views
    • 
    • LG99
    • October 12
25. • 

    Noise when turning steering wheel left/Skid plate/P2002 code

    By kmaccsy, October 11
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    • 2 replies
    • 207 views
    • 
    • kmaccsy
    • October 11

26. Audi A4 (20 plate) mechatronic failed at 51k miles

    By David7, October 8
    • 0 replies
    • 317 views
    • 
    • David7
    • October 8
27. • 

    Dpf & Egr Removal

    By Confused, March 15
    • • 
    • 6 replies
    • 3.7k views
    • 
    • muvon77
    • October 4

28. MMI logging in problem

    By rockhopper, September 29
    • 1 reply
    • 825 views
    • 
    • rockhopper
    • October 1