61 12 013 Replacing battery negative lead
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Observe safety instructions
for handling vehicle battery.
Read and comply with notes and instructions on intelligent battery sensor.
Necessary preliminary tasks:
- Remove luggage compartment trim on side panel on right . See 51 47 220 REMOVING AND INSTALLING/REPLACING TRUNK TRIM PANEL ON RIGHT SIDE PANEL .
Security version:
- Remove luggage compartment equipment carrier . See 65 95... REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT EQUIPMENT CARRIER (SECURITY) .
Slacken nut (1) on negative battery terminal.
Tightening torque, see 61 21 1AZ in 61 21 BATTERY WITH TERMINAL
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 negative battery lead 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, see 61 21 2AZ in 61 21 BATTERY WITH TERMINAL