61 20 900 Disconnecting And Connecting Battery Negative Lead

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe safety instructions for handling vehicle battery. See 61 00... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .
Follow instructions for disconnecting and connecting battery

IMPORTANT: Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS).

Necessary preliminary tasks:

Raise luggage compartment floor trim

Release screws (1).

Remove battery cover (2) upwards.

Fig 1: Identifying Battery Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen nut (1).

Tightening torque. See GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Disconnect battery negative lead (2) with IBS and secure at side.

Fig 2: Identifying Battery Negative Lead

Courtesy of BMW OF NORTH AMERICA, INC.