BCM Control Unit - Highline for VW T5 GP For retrofitting xenon headlights, the BCM control unit must be replaced Please contact a local VW dealer for replacement of the on-board BCM Connect the vehicle to the VW diagnostic system - Current codings must be copied to the new BCM control unit - After replacing the keys, the vehicle must be reactivated Selectable options: Version 1 if part number 7H0937090 (each index) is not installed Version 2 if part number 7H0937090 (each index) is installed Scope of delivery: BCM Note: Identify the part number at address 09 using a diagnostic device Choose "Version 2" if part number 7H0937090 (each index) is installed Choose "Version 1" for all other part numbers Not suitable for the USA