Specific Xenon adapter for switching from halogen headlights to HID Xenon headlights for Audi A8 4E High-quality adaptation Only one kit is required for both headlights Scope of delivery: Xenon adapter Note: The integrated additional lines of the Xenon adapters must be connected to the on-board network control unit in order to realize the impulse for the bi-xenon changeover and the daytime running lights Please note that the operation of xenon headlights without automatic headlight height adjustment is not permitted according to road traffic regulations in some countries