61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks
To access negative lead of battery, perform the necessary preliminary work described in DISCONNECTING NEGATIVE BATTERY CABLE .
Do not disconnect negative lead of battery.
Connect BMW 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.