61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 BMW 530xi. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
To access negative lead of battery, remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
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.