Question: After updating my VXdiag full firmware, I run BMW ISTA-D 4.18.20 ISTA-P 3.66.100 software, it failed to communicate with my cars.Any ideal?
You should do by following below four steps:
1.Download the latest VX manager
2.Connect computer to the device
3.Upgrade the firmware and DOIP firmware
4.Finally, connect to your car and test it
Lastest VX Manager 220.127.116.112 .exe
Provided by the VXDIAG official, security
It is solved. I installed the new VX manager version and updated the firmware.