61 20 900 Disconnecting and connecting battery negative lead

WARNING: Observe safety instructions for handling vehicle battery. Refer to 61 00... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .
Follow instructions for disconnecting and connecting battery. Refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Necessary preliminary tasks:

Remove battery cover or open right luggage compartment trim panel, refer to 61 21... REMOVING AND INSTALLING / REPLACING BATTERY COVER

Disconnect battery negative lead (1).

Fig 1: Disconnecting Battery Negative Lead

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Cover battery negative terminal post and secure negative lead (1) at side.

Tightening torque 61 21 1AZ. Refer to BODY EQUIPMENT - TIGHTENING TORQUES .