Audi A4 (B9) Forum

362 topics in this forum

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

   By Steve Q, April 18
   • 2 replies
   • 1.1k views
   • 
   • Steve Q
   • May 2

3. Audi A4 b9 Avant load guard fitting guide

   By Steve Q, April 20
   • 0 replies
   • 985 views
   • 
   • Steve Q
   • April 20

4. Are parts between different models compatible?

   By Irenе, Wednesday at 12:01 PM
   • 2 replies
   • 100 views
   • 
   • Irenе
   • Wednesday at 11:43 PM

5. Ad Blue Control Unit

   By HICK5, Tuesday at 11:19 AM
   • 2 replies
   • 67 views
   • 
   • Magnet
   • Tuesday at 04:31 PM

6. Exhaust sound

   By Momosissoko, September 21
   • 3 replies
   • 120 views
   • 
   • Steve Q
   • Tuesday at 02:32 PM

7. Excessive fuel consumption Audi A4 1.4 TFSI (with photos)

   By Karezma, Monday at 04:46 PM   

   • audi a4
   • a4 tfsi
   • (and 1 more)

     Tagged with:

     • audi a4
     • a4 tfsi
     • a4 1.4 tfsi
   • 3 replies
   • 103 views
   • 
   • Magnet
   • Monday at 07:23 PM

8. Start stop function not working after 'brake servo restricted' sensor replaced

   By GLS, June 29, 2021
   • 4 replies
   • 3k views
   • 
   • jdragon
   • September 25

9. Brake servo restricted 1 2 3 4 22

   By Stevie84, August 4, 2019
   • 532 replies
   • 107.1k views
   • 
   • P3N
   • September 24

10. Lumpy on idle

    By Redsfan2008, September 8
    • 10 replies
    • 230 views
    • 
    • jdragon
    • September 18

11. ambient air temperature sensor circuit

    By Audiline7, September 18
    • 0 replies
    • 63 views
    • 
    • Audiline7
    • September 18

12. Audi A4 B9 muffler/resonator delete

    By Momosissoko, September 15
    • 0 replies
    • 92 views
    • 
    • Momosissoko
    • September 15

13. Re Map

    By Pablo 1, September 7
    • 8 replies
    • 225 views
    • 
    • Momosissoko
    • September 15

14. Wind noise with roofbox

    By Bluephenix, September 9
    • 3 replies
    • 105 views
    • 
    • Steve Q
    • September 11

15. Door not unlocking

    By Rimmy, September 7
    • 10 replies
    • 135 views
    • 
    • Steve Q
    • September 8

16. SD Card

    By Pablo 1, September 1
    • 4 replies
    • 221 views
    • 
    • jdragon
    • September 7

17. A4 avant 3.0 tdi

    By DyyyD, September 6
    • 1 reply
    • 88 views
    • 
    • DyyyD
    • September 6

18. Best model B9

    By Pepper, August 14
    • 18 replies
    • 576 views
    • 
    • Pepper
    • September 3

19. Sat Nav SD card

    By SKR999, August 22
    • 4 replies
    • 242 views
    • 
    • R0bb0
    • September 3

20. 2017 A4 Avant car mats.

    By SKR999, August 26
    • 4 replies
    • 204 views
    • 
    • R0bb0
    • September 3

21. BEST TYRES 1 2

    By Blueit, July 26
    • 27 replies
    • 1k views
    • 
    • jdragon
    • August 30

22. 2022 S4 Engine Oil usage

    By Vern0207, August 20
    • 13 replies
    • 285 views
    • 
    • Steve Q
    • August 21

23. All in one service/warranty plan advice

    By Fridgeguy, August 17
    • 14 replies
    • 409 views
    • 
    • dalswinton
    • August 20

24. Audi cam chain

    By Philrc, August 19
    • 2 replies
    • 190 views
    • 
    • K3v
    • August 20

25. Boot lid opening on its own.

    By Blueit, July 11
    • 13 replies
    • 634 views
    • 
    • Blueit
    • August 16

26. Drive Mode - Change on its own ?

    By Sonny1290, August 16
    • 3 replies
    • 142 views
    • 
    • Davy50
    • August 16