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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 576 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Parking brake (electromechanical parking brake = EMF) >> Brief component description >> System network

System network

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Fig 1: Dynamic Stability Control - Circuit Diagram
G09909332Courtesy of BMW OF NORTH AMERICA, INC.
Item Description
1 Dynamic stability control (DSC)
2 DME (Digital Motor Electronics) or DDE (Digital Diesel Electronics)
3 Parking brake button with function indicator light (left: Automatic Hold button)
4 Fuse, front power distribution box
5 Fuse, rear power distribution box
6 Rear right wheel speed sensor
7 EMF actuator, rear right
8 Parking brake control unit
9 EMF actuator, rear left
10 Rear left wheel speed sensor
11 Instrument panel (KOMBI)
12 Central gateway module (ZGM)
13 Footwell module (FRM)
14 Car Access System (CAS)

The following additional control units are involved in the electromechanical parking brake (EMF):