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Power Windows: Notes

The front power windows are activated by the door modules of the respective door.

The rear power windows are activated by the basic body module KBM.

The power windows are operated as usual from the switch block in the driver's door (SBFA) and the switches in the other doors. Various safety functions and statutory requirements have been taken into consideration.

Fig 1: Identifying Power Windows Components
G03390104Courtesy of BMW OF NORTH AMERICA, INC.