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Home >> BMW >> 2020 >> 745e xDrive >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> General Electrical System -- Repair (G12) (1 Of 2) >> 61 20 Battery, General Information >> 61 20 900 Disconnecting and connecting battery ground lead (All negative battery cables) (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022) >> Activating the 48 V electrical system

Activating the 48 V electrical system

The activation takes place automatically.

G14192798Courtesy of BMW OF NORTH AMERICA, INC.