Necessary preliminary tasks
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
- Remove right luggage compartment trim panel . See 5147220 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT SIDE PANEL or 6121... REMOVING AND INSTALLING BATTERY COVER
- Remove TOP TRIM FROM TAIL PANEL
Disconnect plug connection (1).
Slacken nut (2) on battery negative terminal.
Tightening torque 61 21 1AZ .
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 (3) with intelligent battery sensor (IBS) in upward direction.
Release nut (4) and remove cable.