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Home >> BMW >> 2013 >> 335i 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1058 (General Electrical System - Service Information (E88)) >> General Electrical System >> Interior mirror with digital compass : E70, E71, E82, E83, E88, E90, E91, E92, E93 >> Brief description of components

Brief description of components

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The following components deliver signals for the digital compass:

The magnetic field sensor is installed in the mirror base. The magnetic field sensor measures the current alignment of the magnetic field. The signal is sent to the control electronics for the compass in the interior mirror.

The magnetic field sensor is on the PCB in the interior mirror.

The interior mirror is electrically connected to the roof control panel (FZD).

The control electronics for the compass are integrated into the board for the interior mirror. The signals from the magnetic field sensor are received by the control electronics. The LCD display is activated directly by the control electronics.

The following components are controlled:

The LC display (window) is situated at top right in the interior mirror.

The points of the compass are presented digitally on the LCD display (LCD: Liquid Crystal Display). The display is divided into eight compass points.

The point of the compass is displayed in transparent light technology in the interior mirror as well. The display is also at the top right in the interior mirror. The display is divided into eight compass points.