Audi A4 B7 05-08 bi-xenon HID light upgrade kit for halogen headlights
Audi A4 B7: How to Install Bi-Xenon E-Code Headlights | Audiworld
No Additional Resistor Required Xenon White 1156 7506 P21W LED Bulbs For Audi B7 A3 A4 A6 A8 Q7 S3 S4 S6 Daytime DRL Lights|led audi a4 b7|led a4a4 b7 led -
Halogen to Xenon Conversion for B7 Audi A4s (2005.5-2008) – Nick's Car Blog
Audi A4 B7 bulb type LOW BEAM HEADLIGHT – Car, Truck & Motorcycle Bulb Finder