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M440i
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Repair and Diagnosis
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Accessories & Equipment
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Steering Column Switches
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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.
Courtesy of BMW OF NORTH AMERICA, INC.