Audi A4 (B9) Forum

746 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 26

   By Stevie84, August 4, 2019
   • • 
   • 640 replies
   • 321.4k views
   • 
   • Sid2020
   • February 16

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3. • 

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

   By Steve Q, April 18, 2022
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   • 6 replies
   • 8.7k 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
   • 3.3k views
   • 
   • Steve Q
   • April 20, 2022
5. • 

   Air intake Flaps audi A4 b9

   By scottishlad91, April 9
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   • 5 replies
   • 141 views
   • 
   • Sid2020
   • 2 hours ago
6. • 

   Help identifying part please - Front Grille

   By DJA-440, Friday at 08:06 PM
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   • 3 replies
   • 156 views
   • 
   • Sid2020
   • 4 hours ago
7. • 

   2009 Audi A4 Suspension Issue – Bought from Dealer

   By Mark Valley, Thursday at 03:28 PM
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   • 2 replies
   • 149 views
   • 
   • spartacus 68
   • Thursday at 09:52 PM
9. • 

   Sunglasses problem !

   By Thejammm, April 7
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   • 4 replies
   • 190 views
   • 
   • Brown11
   • Thursday at 06:12 AM
10. • 

    Clicking noise when full lock

    By arunc_88, September 19, 2024
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    • 6 replies
    • 973 views
    • 
    • figo_rulz11
    • Wednesday at 07:59 PM

11. Disappointed with A4 35 Tdi engine/box

    By Badger27, April 5
    • 7 replies
    • 231 views
    • 
    • Rybrook
    • April 7

12. Mmi screen failure

    By Matt kaye, April 6   

    • mmi
    • 0 replies
    • 91 views
    • 
    • Matt kaye
    • April 6
14. • 

    No oil lamp with ignition on (engine off)

    By Red Robbo, April 2
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    • 4 replies
    • 172 views
    • 
    • Red Robbo
    • April 4

15. EGR, Ad Blue, DPF delete

    By Lacey86, April 1
    • 3 replies
    • 178 views
    • 
    • Stevey Y
    • April 2

16. 40 TFSI Avant - what mpg to expect?

    By Mr Bump, April 1
    • 0 replies
    • 90 views
    • 
    • Mr Bump
    • April 1
17. • 

    Dpf & Egr Removal

    By Confused, March 15, 2024
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    • 14 replies
    • 7.1k views
    • 
    • cliffcoggin
    • April 1
18. • 

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

    By HeadlessChicken, October 23, 2024
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    • 4 replies
    • 747 views
    • 
    • spartacus 68
    • March 27
19. • 

    Changing rear 12v socket to always on

    By PropPlanePat, March 25
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    • 4 replies
    • 178 views
    • 
    • PropPlanePat
    • March 26
20. • 

    Not Cranking No Start

    By Scurge_uk, March 8
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    • 16 replies
    • 481 views
    • 
    • Scurge_uk
    • March 22

21. 2018 TFSI Quattro does it have a MAF Sensor?

    By 9582djk, March 18
    • 0 replies
    • 123 views
    • 
    • 9582djk
    • March 18
22. • 

    AC COMPRESSOR DOESNT WORK

    By emilio melo, March 13
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    • 1 reply
    • 350 views
    • 
    • Steve Q
    • March 14

23. Audi A4 B9 blower issue

    By Mja98, March 9
    • 1 reply
    • 256 views
    • 
    • spartacus 68
    • March 9

24. wipers not working

    By Paul68, March 8
    • 4 replies
    • 142 views
    • 
    • Paul68
    • March 8
25. • 

    Adblue Fault P20E8 & P208C

    By Cb1992, February 17
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    • 2 replies
    • 407 views
    • 
    • dorsborne
    • March 7
26. • 

    2.0 TDI rattle sound

    By Kvint, November 2, 2024
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    • 9 replies
    • 1.3k views
    • 
    • cliffcoggin
    • March 6

27. Buy used car, oil sweat (?)

    By PelleNor, March 5
    • 4 replies
    • 220 views
    • 
    • spartacus 68
    • March 6

28. Humming noise when steering Audi A5 2021

    By Michael 3004, March 5
    • 0 replies
    • 135 views
    • 
    • Michael 3004
    • March 5