Specific Xenon adapter for upgrading halogen headlights to HID Xenon headlights for Audi A1 8X High-quality adaptation Only one set is required for both headlights Selectable options: up to model year 2014 from model year 2015 Scope of delivery: Xenon adapter Notes: The added single wires must be connected to the control unit of the on-board power system in order to release the Bi Xenon switch Please keep in mind that in some countries it is not permitted by law to use HID headlights without automatic leveling