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Home >> BMW >> 2000 >> M5 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Central Body Electronics (ZKE III) - Overview - E38, E39 & E53 >> Central Body Electronics (ZKE III) >> Seat/Mirror/Steering Column Memory >> System Components

System Components

Manual Operation - The manual adjustments of the seat, mirrors and steering column are carried out with the respective switches as with the previous systems.

The mirror adjustment switch is located in the driver's switch block. The mirror operation input is a digital signal that is processed by each respective module for mirror positioning.

Fig 1: Identifying Memory Switch
G03398877Courtesy of BMW OF NORTH AMERICA, INC.

Memory Storage - The parameters for storing memory positions are as follows:

The positions of the mirrors are stored in the respective door modules based on the position of the feedback potentiometers. The positions of the seat and steering column are stored in the seat module, based on the ripple count.

Recalling a memory position setting is possible by either pressing and holding the recall switch (1, 2 or 3) with KL 15 "ON" or tapping the recall button (1, 2 or 3) with:

The recall movement can be interrupted at any time by touching any of the adjusting switches.