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Disconnecting and connecting battery earth lead (2016-2022)

WARNING: Observe SAFETY INFORMATION  for handling the battery!

Follow notes for DISCONNECTING AND CONNECTING BATTERY .

Observe notes on voltage supply/INTELLIGENT BATTERY SENSOR (IBS) .

Necessary preliminary work: 

NOTE: With lead-acid battery:

Loosen nut (1).

Tightening torque 61 21 1AZ .

CAUTION: Do not under any circumstances use force to pull off negative terminal.

Pull off battery earth lead (2) and IBS in an upward direction, place to one side and secure.

G10098402Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: With lead-acid battery (F3x only).

Loosen nut (1).

Tightening torque 61 21 1AZ .

CAUTION: Do not under any circumstances use force to pull off negative terminal.

Pull off battery negative lead and IBS (2) in an upward direction, place to one side and secure.

G10098406Courtesy of BMW OF NORTH AMERICA, INC.