Specific wiring harness for upgrading Bi-Xenon headlights with automatic headlight range adjustment system for Audi A6 4B This cable set connects the headlights to the rear and front level sensors as well as to the central electrical connection Selectable options: up to model year 1999 from model year 2000 Scope of delivery: cable set Notes: After installation, the sensors must be recoded via diagnosis In addition, with xenon headlights you also need headlight washer nozzles. This option is often supplied with the factory winter package In most countries, the headlight range adjustment system is required by law in combination with xenon headlights