Audi A4 (B9) Forum

409 topics in this forum

1. Brake servo restricted 1 2 3 4 22

   By Stevie84, August 4, 2019
   • 549 replies
   • 124k views
   • 
   • Steve Q
   • January 16

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

   By Steve Q, April 18, 2022
   • 4 replies
   • 1.9k views
   • 
   • Steve Q
   • November 3, 2022

4. Audi A4 b9 Avant load guard fitting guide

   By Steve Q, April 20, 2022
   • 0 replies
   • 1.3k views
   • 
   • Steve Q
   • April 20, 2022

5. 67 plate A4 quattro s-line cam belt / water pump replacement

   By norfolkngood, January 19
   • 20 replies
   • 339 views
   • 
   • norfolkngood
   • Thursday at 09:37 AM

6. Safe To Use Lane Assist With No Multifunction Stalk?

   By Ujw, January 14
   • 4 replies
   • 170 views
   • 
   • Ujw
   • Tuesday at 05:36 PM

7. Real mpg

   By Laurentiu, Monday at 04:40 PM
   • 11 replies
   • 185 views
   • 
   • 56Doc
   • Tuesday at 06:43 AM

9. No heat / auxiliary pump issues

   By white_shark, January 17
   • 6 replies
   • 256 views
   • 
   • white_shark
   • Monday at 09:51 PM

10. Why Was the A4 1.4 Discontinued?

    By Ujw, January 19
    • 4 replies
    • 177 views
    • 
    • Steve Q
    • January 21

11. AdBlue tank fault

    By haggis_, January 18
    • 1 reply
    • 149 views
    • 
    • Steve Q
    • January 20

12. Service plans

    By simonb82, January 16
    • 5 replies
    • 224 views
    • 
    • Steve Q
    • January 20

14. Adblue fault no restart after 650miles, Error codes P20BC,P20E8

    By Doctor786, October 16, 2022
    • 8 replies
    • 1.9k views
    • 
    • ConnerMac92
    • January 20

15. Excessive wear to rear tyres on quattro system

    By haggis_, January 18
    • 1 reply
    • 315 views
    • 
    • Magnet
    • January 18

16. Remap for Audi 35 tdi automatic

    By Ralphy87, January 17
    • 1 reply
    • 153 views
    • 
    • Steve Q
    • January 17

17. new key

    By Laurentiu, January 16
    • 1 reply
    • 147 views
    • 
    • Steve Q
    • January 17

18. Audi app

    By John Clifton, January 8
    • 3 replies
    • 258 views
    • 
    • jdragon
    • January 16

19. AUDI A4 Brake fault - if you've driven it too many times with the VAC sensor fault!

    By Neilro, January 14
    • 1 reply
    • 110 views
    • 
    • Steve Q
    • January 14

20. Audi A4 1.4 tsfi 2016 MODEL - Inspection Due?

    By Moses, January 13
    • 6 replies
    • 214 views
    • 
    • Moses
    • January 13

21. vibration in gearbox

    By Laurentiu, January 13
    • 3 replies
    • 149 views
    • 
    • Steve Q
    • January 13

22. Keyless entry

    By John Clifton, January 12
    • 2 replies
    • 165 views
    • 
    • John Clifton
    • January 12

23. Sports suspension on s line 2021

    By John Clifton, January 8
    • 6 replies
    • 314 views
    • 
    • Awrno
    • January 9

24. Winter tyres for sale

    By MatthewC, January 1
    • 2 replies
    • 208 views
    • 
    • Magnet
    • January 8

25. Locking wheel bolts

    By Ads677, January 7
    • 6 replies
    • 187 views
    • 
    • jdragon
    • January 8

26. Rear suspension bushes

    By RichPow, December 8, 2022
    • 7 replies
    • 392 views
    • 
    • jdragon
    • January 8

27. engine vibration low revs 35TDI

    By chris new, January 6
    • 2 replies
    • 215 views
    • 
    • Steve Q
    • January 7

28. AUDI a4 2017 adblue

    By thomaskeegan, January 4
    • 0 replies
    • 192 views
    • 
    • thomaskeegan
    • January 4