61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
To access the ground cable of the battery, perform the necessary preliminary work described in DISCONNECTING BATTERY EARTH LEAD .
Do not disconnect negative lead of battery.
Connect diagnosis system.
Connect clip-on probe to negative lead of battery. The arrow on the current clamp must point towards the battery.
Measure closed-circuit current.