One tested original OEM xenon bulb ballast with connecting wire and one HID D1S bulb kit in great working order.
Power plug connector is included for free.
Audi part numbers:
Bulb: N-105-661-03; supersedes N-105-661-01.
Fits xenon headlights of:
2006-2009 Audi A4, S4 sedan (with Curve lighting)
We ship the same or next business day.