Specific adapter for connecting full LED headlights in an Audi A6 4G You only need one kit to connect both headlights Selectable options: Halogen headlights available Bi-xenon headlights available Flashing headlights available Scope of delivery: LED light adapter Note: Replacement of the on-board network control unit is necessary, item number 39811 When using part number: 39807-2, the additional item number: 39885 is required. For vehicles with halogen headlights, a headlight cleaning system and automatic headlight range adjustment must be installed in addition. Not suitable for Facelift cars or for retrofitting Facelift LED headlights in Prefacelift cars