Complete automatic retrofit kit for retrofitting from halogen to bi-xenon / adaptive lighting Only suitable for original headlights The necessary xenon adapters are already included in the scope of delivery Selectable options: Up to model year 2009 From model year 2010 Up to model year 2012, Corning lighting Scope of delivery: Wiring Xenon adapter Control unit Leveling arm, mounting plates, sensors Notes: On cars from chassis number WAUZZZ8T***027001, please use item number 36990-1 After installation, the sensor must be recoded via diagnostics Please check in advance whether the control unit of the central electrics accepts coding for xenon or not In most countries, the retrofit system is required by law in combination with xenon headlights