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2021
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430i xDrive
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Repair and Diagnosis
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Electrical
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Motors, Switches, Relays
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General Electrical System -- Repair (G22, G23 & G26)
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61 20 Battery Ground
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61 20 900 Disconnecting and connecting battery ground lead (4' Series coupe models)
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Activating the 48V electrical system
Activating the 48V electrical system
Activate the 48Velectrical system by closing the hood.
The activation takes place automatically.
Courtesy of BMW OF NORTH AMERICA, INC.