61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. 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 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.