Headlight set, Audi A4 B6 Halogen – Cascade German Parts
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Parking Light Replacement on a 2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
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The ultimate Audi A4 B6 headlights page
Audi A4 B6 Headlight Bulb and Assembly Replacement (2002-2008) | Pelican Parts DIY Maintenance Article