Best A4 B6 Tuning mods and upgrades

34% torque with Stage 1 ECU Remap on Audi A4 2.5 TDI 163 bhp (2000-2004)

Audi Tuning Specialists - Audi A3, A4, TT, S3, S4, RS4, R8 Tuning

Modified Car: Audi A4

Official: A4 (B6) Picture Gallery

S-Tuning - Audi A4 Avant Shadow Rear Bumper

The Top 10 Engine Improvements For The 2.0 TFSI (EA113) – JBM Performance

Audi A4 B6 Bagged on Porsche Rims Modified by Andrei Daniel

B6 mods list

Audi Performance Parts and Upgrades – UroTuning

Beginners Guide to Modifying a B7 A4 – Modded Euros Blog

The ultimate Audi A4 B6 headlights page

Audi Performance Parts and Upgrades – UroTuning

Styling and accessories for Audi A4 8E B6 2001-2005 - SC Styling

BAGGED AUDI A4 B6: INTO THE RED

Best 6 Upgrades for your B5 Audi S4 2.7T