Original Equipment Headlights (OE) you can trust from a global leader in automotive lighting technologies for more than 100 years Headlamp for Audi A6 (4F2, 4F5, 4FH C6) ,Years: 05/04->10/08 Fitting position: Driver Side; Approval: SAE Bulb technology: Bi-Xenon / Bi-HID / D2S; Halogen Bulb Included - Xenon / HID Bulb not Included; Ballast Unit not included. Part Number Ballast Unit: 008290004; without Ignitor for gas discharge bulb All Headlights are produced under HELLA's stringent testing requirements, you know this is a brand that can be trusted HELLA recommends professional installation