Follow this guide to install BMW Driver.
In vx manager check for new update. It will bring you to www.vxdiag.net and download latest vx manager
Or directly download vx manager 1.8.9 on official website and install
Install vx manager
Run new vx manager
Go to Diagnostic Tab
Click on BMW ICOM icon and Install
The bmw driver is up-to-date. If not, press Update to update it to the latest version.
BMW driver has installed.
Now vxdiag bmw scanner is ready to use.