61 20 900 Disconnecting And Connecting Battery Negative Lead
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. 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.