WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Observe safety instructions for handling vehicle battery.
Fig 1: Identifying Diagnosis And Information System (DIS)
Courtesy of BMW OF NORTH AMERICA, INC.
The open-circuit current test is performed using the Diagnosis and Information System (DIS).