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2021
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750i xDrive
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Repair and Diagnosis
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Hybrid/Electric Powertrain
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Electric Converters and Controllers
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General Electrical System -- Repair (G12) (1 Of 2)
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61 20 Battery, General Information
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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)
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Activating the 48 V electrical system
Activating the 48 V electrical system
Activate the 48 V electrical system by closing the hood.
The activation takes place automatically.
Courtesy of BMW OF NORTH AMERICA, INC.