Building an Audi S4, From STOCK to 422WHP in 11 minutes
The 3.0T is in! Part 2 of the B8 S4 Avant build is live on !
ECS News - Audi B8 S4 ECS Flush Fit Kit - Aggressive
Audizine Forums
single turbo Audi S4 B5!! part 1
B8 S4 Avant Build PT: 1 - Eurofed Automotive
The 3.0T is in! Part 2 of the B8 S4 Avant build is live on !
Audi B8 S4 3.0T Avant from Unix Performance on Rotiforms
James Woj's Silver B8 Audi S4 Avant project / build thread – Previously S400 MSH
Illegal Audi Build Pt. 5: Avant Engine Removal