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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 >> FEM or BDC: Front electronic module or Body Domain Controller

FEM or BDC: Front electronic module or Body Domain Controller

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The front electronic module (FEM) or the Body Domain Controller (BDC) supplies the instrument cluster with terminal 30 and terminal 30B. In addition, the front electronic module (FEM) or Body Domain Controller (BDC) of the instrument cluster delivers different essential signals on the PT-CAN.

The following graphic shows the functional networking as an example F2x, F3x.

Fig 1: Front Electronic Module - Circuit Diagram
G09909155Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Outside temperature sensor
2 Front fuse and relay module
3 Washer fluid level sensor
4 Front Electronic Module (FEM) or Body Domain Controller (BDC)
5 Rear Electronic Module (REM)
6 Fuel level sensor, left
7 Fuel level sensor, right
8 Controller (CON)
9 Headunit, e.g. Car Information Computer (CIC)
10 Central information display
11 Instrument panel (KOMBI)
12 Head-Up Display
13 Coolant level sensor