61 12 002 Replacing battery positive lead

WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Observe INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Necessary preliminary tasks:

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal off by force.

Open cover (1) and slacken nut underneath. Tightening torque 61 21 1AZ .

Slacken nut (2). Tightening torque 61 12 3AZ .

If necessary, disconnect cable (4) from safety battery terminal.

Disconnect battery positive lead (3).

Fig 1: Identifying Battery Positive Lead And Slacken Nut

Courtesy of BMW OF NORTH AMERICA, INC.