This is the instruction on wiring diagram of VVDI prog working on BMW CAS2, CAS 3, CAS4, EWS4 and PCF79XXX adapters .
vvdi prog programmer wiring diagram included:
CAS2-V1 2K79X/0L01Y
CAS2-V2 2K79X/0L01Y
CAS3 0L15Y/0M23S
CAS3+ 0L15Y/0M23S
CAS4 1L15Y
CAS4 5M48H
BMW EWS4.X xL86D/0M89C
wiring diagram: