61 20 900 Disconnecting and connecting battery negative lead
WARNING: This page is about a different car, the 2011 BMW M3, 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.
Follow INSTRUCTIONS for disconnecting and connecting battery
Follow INSTRUCTIONS for disconnecting and connecting battery
IMPORTANT:
Do not under any circumstances use force to pull/lever off INTELLIGENT BATTERY SENSOR (IBS)
.
Necessary preliminary tasks
Loosen nut (1).
Tightening torque 61 21 1AZ .
Disconnect battery negative lead (3) and secure at side.