Audi S4 A4 B7 Front PROJECTOR XENON HID Headlights Lamps Lights 05-08 OEM 1 PAIR | eBay
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ACANII - For 2006-2008 Audi A4 S4 B7 LED DRL Tube Black Projector Headlight Headlamp Assembly, Driver & Passenger Side : Amazon.ca: Automotive
Audi A4 B7 HID bi-xenon headlight upgrade info tutorial
Spec-D Tuning LED Light Bar Smoke Projector Headlights Compatible with 1999-2006 Audi TT With Stock Left + Right Pair Headlamps Assembly, Headlight Bulbs - Amazon Canada