Here will show you how to use
xtool a80 pro for BWM performing some special functions.
Something about wiring diagram:
A80 Pro comes with some cables such as OBDII+ USB cable, BMW cable and main cable, etc.
◇The main cable is designed to connect XTOOL VCI and the vehicle to do all functions except BMW programming.
Note: connect VCI with A80 Pro via Bluetooth
◇The OBDII+ USB cable works together with BMW cable, and they are only used for BMW programming.
Note: connect VCI box to the vehicle via OBDII+ USB cable, and connect to A80 Pro via BMW cable
Reference:
XTOOL A80 Pro (H6 Pro) Using Tips+ FAQ
More info:
http://blog.eobdtool.co.uk/xtool-a80-pro-user-guide/