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System overview

The following graphic shows the LED headlight system network using the example of F32.

Fig 1: Headlight Driver Module - Circuit Diagram
G09909214Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Left LED headlight, with left-hand headlight driver module (STML) and LED main light module on the left (LHML)
2 Left fog light
3 Right fog light
4 Right LED headlight, with right headlight driver module (STMR) and LED main headlight module on the right (LHMR)
5 Front fuse and relay module
6 Front Electronic Module (FEM), central gateway module (ZGM) integrated as independent control unit
7 Fuse on the front electronic module (FEM)
8 Power distribution box, rear
9 Hazard warning switch
10 Crash Safety Module (ACSM)
11 Integrated chassis management (ICM)
12 Ride height sensor, rear
13 Light operating unit
14 Steering column switch cluster
15 Dynamic stability control (DSC)
16 Ride height sensor, front
17 High beam assistant (FLA)
18 Rain-light-solar-condensation sensor
19 Instrument panel (KOMBI)