61 12 013 Replacing battery negative lead

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe safety instructions for handling vehicle battery. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY . Read and comply with notes and instructions on intelligent battery sensor. Refer to 61 12 ... GENERAL INFORMATION ON INTELLIGENT BATTERY SENSOR (IBS) .

Necessary Preliminary Tasks:

Remove luggage compartment trim on side panel on right. Refer to 51 47 220 REMOVING AND INSTALLING/REPLACING TRUNK TRIM PANEL ON RIGHT SIDE PANEL .

Release nut (1) on negative battery terminal.

Tightening torque, refer to 61 21 1AZ in GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUE - E60 .

IMPORTANT: Do not under any circumstances use force to pull off pole shoe. Do not under any circumstances release socket-head cap screw of IBS.

Detach negative battery cable with intelligent battery sensor (IBS) in upward direction.

Disconnect plug connection (2).

Disconnect plug connection (3).

Release nut (4) and battery negative lead (5).

Tightening torque, refer to 61 21 2AZ in GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUE - E60 .

Fig 1: View Of Battery Negative Lead

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement :

Carry out programming/coding. Refer to DIAGNOSIS PROGRAMMING/CODING .