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Functional networking

A complex system network with distributed functions in other control units is necessary for implementation of the lane departure warning as well as the high-beam assistant.

The following graphic shows the system network of the lane departure warning and the high-beam assistant using the example of the F2x, F3x, F15.

Fig 1: Dynamic Stability Control Communication Diagram
G10092221Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Dynamic stability control (DSC)
2 Heating for KAFAS camera
3 KAFAS camera in the inside mirror
4 Front power distribution box, front passenger
5 Front Electronic Module (FEM) or Body Domain Controller (BDC)
6 Power distribution box
7 Reversible motorized automatic reel, right (REMABF), model-specific
8 Central information display
9 Head unit (HU-H, HU-B)
10 Integrated Chassis Management (ICM). Omitted if the vehicle is equipped with the latest generation of DSC (MK100).
11 Steering column switch cluster with vibration actuator
12 Operating facility for light
13 Assist systems operating facility
14 Instrument panel (KOMBI)
15 Reversible motorized automatic reel, left (REMAFA), model-specific
16 Head-Up Display, model-specific
17 Camera-based driver support systems camera control unit

If only a high-beam assistant (5AC) is present, the system network is as follows for the example of F2x, F3x, F15:

Fig 2: High-Beam Assistant Communication Diagram
G09872278Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Instrument panel (KOMBI)
2 Inside mirror with camera and control unit high-beam assistant (FLA)
3 Front fuse and relay module
4 Front Electronic Module (FEM) or Body Domain Controller (BDC)
5 Front fuse and relay module
6 Steering column switch cluster
7 Operating facility for light


A complex system network with distributed functions in other control units is necessary for implementation of the lane departure warning as well as the high-beam assistant. The following graphic shows the system network.

Fig 1: Camera-Based Driver Support Systems Communication Diagram
G09872267Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Control unit for camera-based driver support systems (KAFAS)
2 Video camera in the inside mirror
3 Junction Box Electronics (JBE)
4 Central information display (CID)
5 Car information computer (CIC)
6 Integrated chassis management (ICM)
7 Steering column switch center (SZL)
8 High beam assistant button
9 Light switch
10 Instrument panel (KOMBI)
11 Car access system (CAS)
12 Central gateway module (ZGM)
13 Footwell module (FRM)
14 Assist systems operating facility