61 12 013 Replacing battery negative lead
WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. 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 IBS .
Read and comply with notes and instructions on INTELLIGENT BATTERY SENSOR IBS .
Necessary preliminary tasks
Loosen nut (1).
Tightening torque 61 21 1AZ .
IMPORTANT:
Do not under any circumstances use force to pull off negative terminal.
Detach battery negative lead with intelligent battery sensor (IBS) in upward direction, lay to one side and secure.
Unfasten plug connection (2) and disconnect.
Release nut (3) and battery negative lead (4).
Tightening torque 61 12 5AZ .