61 12 013 Replacing battery negative lead
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Observe safety instructions
for handling vehicle battery.
Notes and instructions on Intelligent Battery Sensor IBS.
Notes and instructions on Intelligent Battery Sensor IBS.
Necessary preliminary tasks:
- Remove battery cover . See 51 47... REMOVING AND INSTALLING/REPLACING BATTERY COVER .
Disconnect plug connection (1).
Slacken nut (2) on battery negative 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 battery negative lead (3) with intelligent battery sensor (IBS) in upward direction.
Release nut (4) and remove cable.