61 12 013 Replacing Battery Negative Lead: Notes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW M6, 2009 BMW M6, 2008 BMW M6, 2007 BMW M6, and 2006 BMW M6. 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
and 61 00 ... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY . Notes and instructions on Intelligent Battery Sensor IBS, refer to 61 12 ... GENERAL INFORMATION ON INTELLIGENT BATTERY SENSOR (IBS) .
Necessary preliminary tasks:
- Remove luggage compartment floor trim panel, refer to 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
- Remove trim on tail panel, refer to 51 46 050 REMOVING AND INSTALLING/REPLACING TOP TRIM ON REAR APRON .
- Remove right luggage compartment wheel arch trim, refer to 51 47 161 REMOVING AND INSTALLING/REPLACING RIGHT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
Remove underlay for floor panel (1).
Release nut (2) on battery negative terminal.
Tightening torque, refer to 61 21 1AZ in GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES - 645CI .
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 battery negative lead (5) with intelligent battery sensor (IBS) in upward direction.
Disconnect plug connection (3).
Disconnect plug connection (4).
Release nut (6) and battery negative cable (5).
Tightening torque, refer to 61 21 2AZ in GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES - 645CI .
Replacement:
Carry out programming/coding, refer to DIAGNOSIS PROGRAMMING/CODING .