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On-board computer button

The on-board computer button is electrically connected to the steering column switch cluster (SZL). The signal is forwarded on the FlexRay to the central gateway module (ZGM). The instrument panel receives the signal on the PT CAN from the central gateway module.

NOTE: As of F15, the steering column switch cluster is connected via LIN bus to the Body Domain Controller (BDC). The steering column switch cluster is then no longer a control unit.
Fig 1: Identifying On-Board Computer Button Components
G09909167Courtesy of BMW OF NORTH AMERICA, INC.

Example F01

Item Explanation
1 On-board computer button
2 High beam assistant button
3 Turn signal/high beam switch
4 Steering column switch center (SZL)
3 Central gateway module (ZGM)
6 Instrument panel (KOMBI)

The on-board computer functions can be called up by briefly pressing the on-board computer button on the drop arm. Pressing the on-board computer button again displays the information in the following order: