Control unit required for OEM retrofitting of R-Line LED taillights for VW Golf 6 In order to achieve a software index of the BCM control unit higher than 500 Please contact a local VW dealer for replacement of the on-board control unit Connect the vehicle to the VW diagnostic tool - Current codings must be copied to the new control unit - After replacement, the vehicle keys must be reactivated Scope of delivery: Control unit Note: Not suitable for vehicles with manual rear windows Not suitable for the USA