Bbundle package VVDI2 All Activated Version and VVDI Prog Programmer on www.obdiitool.co.uk. VVDI Prog can read out the chip data in ECU. When use VVDI2 together with VVDI Prog, it will get much more powerful.Like BMW CAS4,VVDI2 Plus VVDI Prog will be a perfect choice.