Specific Xenon adapter for switching from halogen to HID Xenon headlights for VW Passat B7 High quality wiring harnesses are made from OEM components The control unit for the central electrical system must also be replaced Only one set is required for both headlights Scope of delivery: Xenon adapter Note: These adapters will be delivered without automatic leveling Please keep in mind that in some countries it is prohibited by law to use HID headlights without automatic leveling