61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
To access negative lead of battery, perform the necessary preliminary work described in DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
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.