61 20 900 Disconnecting And Connecting Battery Negative Lead
WARNING: This page is about a different car, the 2006 BMW 760i, 2005 BMW 760i, and 2004 BMW 760i. 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! See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Observe notes on power supply / on intelligent battery sensor (IBS).
Follow instructions for disconnecting and connecting battery! See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Observe notes on power supply / on intelligent battery sensor (IBS).
Necessary preliminary tasks:
- Remove battery cover or open right luggage compartment trim panel See 61 21... REMOVING AND INSTALLING / REPLACING BATTERY COVER .
Security version:
- Remove luggage compartment equipment carrier, if equipped.
Loosen nut (1).
Tightening torque 61 21 1AZ . See GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES .
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.
Do not under any circumstances release socket-head cap screw of IBS.
Detach battery negative lead with IBS towards top, lay to one side and secure.