Complete kit for retrofitting xenon headlights with automatic headlight adjustment (for HID before 08/2002) suitable for 1st generation xenon headlights whose ballasts are installed in the wheel arch Selectable options: Front-wheel drive 4motion Scope of delivery Wiring Xenon adapter (10-pole to 12-pole) Mounting plate, sensors, screws Notes: Up to and including model year 1998, it is necessary to replace the bearing block (rear axle) because the existing bearing block does not have mountings for the retaining rods Once the installation is complete, the sensors must be reprogrammed via diagnostics In addition, with xenon headlights you also need a headlight washer. This option is often supplied with the factory winter package In most countries, the retrofit system is required by law in combination with xenon headlights