Disconnecting the negative battery cable of the system battery

Precondition

Ignition is switched off.

WARNING: Deactivate the 12-V electrical system .
Risk of short circuits! Risk of fire!

Make sure that there is no battery charger connected to the jump start terminal in the engine compartment.
For vehicles with additional electrical systems (48 V electrical system, high-voltage vehicle electrical system), this absolutely must be deactivated before the vehicle battery is disconnected.

Removing rear hood seal

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Pull off the hood seal (1) towards the top and remove.

Courtesy of BMW OF NORTH AMERICA, INC.

Removing front windshield panel cover
Loosen the expanding rivet (1).
Guide the front fairing panel cover (2) out of the rear fairing panel cover (3) and remove.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect connector (1).
Unfasten nut (2).
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.
Remove the battery earth lead (3) and secure to one side.