Wiring harness for retrofitting xenon headlights including automatic headlight leveling control Suitable for vehicles without electronic damper For vehicles with electronic damper, item 37793 or 37793-1 is required In some cases, the control unit of the central electrics must also be replaced (item 37199 or 37518) Scope of delivery: Wiring Notes: Not suitable for cornering light function (sales type 138, Facelift) After installation, the system must be reprogrammed via diagnosis In most countries, the retrofit system is required by law in combination with xenon headlights