Specific wiring for upgrading bi-xenon headlights with automatic headlight height adjustment This cable set connects the headlights to the front and rear level sensors as well as to the central electrical connection Scope of delivery: Cable set Installation instructions for download Notes: After installation, 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 leveling system is required by law in combination with xenon headlights