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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 763 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Instrument panel (KOMBI) >> Brief component description >> On-board computer button

On-board computer button

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The on-board computer button is electrically connected to the steering column switch cluster. The signal is forwarded to the front electronic module (FEM) or Body Domain Controller (BDC) on the LIN bus. The instrument cluster receives the signal from the FEM control unit or BDC control unit on the PT-CAN.

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: