Kit for retrofitting xenon headlights in combination with automatic headlight adjustment (for HID after 08/2002) Selectable options: front-wheel drive 4motion Scope of delivery: Wiring harness Mounting plate, sensors, screws Notes: Once the 'installation completed, the sensors must be recoded via diagnostics. In addition to xenon headlights, you also need headlight washer jets. This option is often supplied with the winter package from the factory. In most countries, The height adjustment system is required by law in combination with xenon headlights