GODIAG CAS4 CAS4+ Test Platform used for BMW locksmith, maintenance engineers and CAS4/ CAS4+ programming engineers. It features in all keys lost, add new key, synchronize test and troubleshooting. Works together with Godiag GT100 & XHORSE VVDI2 / VVDI BMW Tool/ VVDI BIMTOOL Pro / Lonsdor K518 / Autel IM608 etc, it can program new key when all keys lost, add new key and replace CAS4 / CAS4+ ECU module. Firstly, start with the configuration of GODIAG CAS4 CAS4+ Test Platform. Here is the specific structure instruction: 1).DB25 female connector(used to connect the male port of GODIAG GT100 / GODIAG OBD2) 2).Ignition simulated start switch 3).Immobilizer dashboard simulated indicator 4).Key sensing area 5).Screw bolt 6).Godiag OEM dedicated CAS4/ CAS4+ power adapter or CAN Communication adapter 7).Godiag OEM dedicated CAS4/ CAS4+ start control adapter Next, when and how to use GODIAG CAS4 Test Platform ? C...