How To Replace Headlights and Bulbs 05-08 Audi A4 Sedan - YouTube
How to Replace Headlight Bulb for Audi A4 (B6)
Replacement D1S Headlight Bulbs for B7 Audi A4/S4/RS4 – Nick's Car Blog
2Pcs H7 LED Headlights Bulbs for Audi A6 Halogen Reflector Headlight Models A4 B6 B7 Non-Xenon Version Low Beam Powered by 50W High Power White LED, Headlight Bulbs - Amazon Canada
Replacement REPM100401 Headlight Bulb Compatible with 1996-2014 Audi A4 2009-2014 Q5 Sold individually - Walmart.com
Audi A4 B6 Headlight Bulb and Assembly Replacement (2002-2008) | Pelican Parts DIY Maintenance Article
2x D1S Bi-Xenon Replacement Bulbs for AUDI A4 B6 HID 6.000K White Ice 35W
2000-2005 Audi A4 Headlight Replacement (via Headlight Assembly Removal)
2x D2S Xenon Replacement Bulbs for AUDI A4 B6 HID 6.000K White Ice 35W
How to Replace Headlight Bulb for Audi A4 (B6)
Audi A4 B6 bulb type LOW BEAM HEADLIGHT – Car, Truck & Motorcycle Bulb Finder