REP-TAT-P-6120-01-F30 Disconnecting the battery earth lead

Preliminary work

Remove the RIGHT LUGGAGE COMPARTMENT

Prerequisite

Ignition is switched off.

NOTE: TECHNICAL INFORMATION
For additional information see:
SAFETY INSTRUCTIONS ON HANDLING THE VEHICLE BATTERY

,
NOTES ON DISCONNECTING AND CONNECTING THE VEHICLE BATTERY
, and
NOTES ON THE INTELLIGENT BATTERY SENSOR (IBS)

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).
Pull off the battery earth lead including intelligent battery sensor (IBS) (2) upwards, put to one side and secure the components.