Complete kit for retrofitting xenon headlights in conjunction with automatic headlight leveling control (for HID headlights manufactured before 08/2002). Selectable options: front-wheel drive, 4Motion all-wheel drive. Scope of delivery: Wiring harness, xenon adapter (10-pin to 12-pin), mounting plate, sensors, screws, installation instructions (downloadable). Note: After installation, the sensors must be recoded via diagnostics. In addition to xenon headlights, headlight washer nozzles are also required. This option is often included in the factory winter package. In most countries, the leveling system is legally required in combination with xenon headlights.