61 20 900 Disconnecting and connecting battery negative lead
WARNING:
Observe SAFETY INFORMATION FOR HANDLING VEHICLE BATTERY .
Follow notes for DISCONNECTING AND CONNECTING BATTERY .
Comply with notes on INTELLIGENT BATTERY SENSOR (IBS) .
Necessary preliminary work:
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 IBS towards top, lay to one side and secure.
At BMW diagnosis system:
Carry out STEERING ANGLE SENSOR ADJUSTMENT .