61 20 900 Disconnecting And Connecting Battery Negative Lead
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 .
Follow instructions for disconnecting and connecting battery . See 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Necessary preliminary tasks:
- Remove battery cover or open right luggage compartment trim panel . See 61 21 ... REMOVING AND INSTALLING / REPLACING BATTERY COVER .
Loosen nut (1).
Tightening torque . See GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES -- ALPINA .
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.