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Home >> BMW >> 2012 >> M3 2D Convertible, Standard Trans >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Description -- M3 Convertible >> Transmission & Driveline - Functional Description >> 8-Speed Automatic Gearbox (8HP) >> System overview
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System overview

Fig 1: Emergency Release Communication Diagram
G09895063Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Central gateway module (ZGM)
2 Digital engine electronics 2 (DME2)
3 Electronic transmission control (EGS)
4 Digital engine electronics (DME)
5 Front power distribution box
6 Electric fuel pump control (EKPS)
7 Integrated chassis management (ICM)
8 Accelerator pedal module
9 Brake light switch
10 Gear selector switch (GWS)
11 Instrument cluster (KOMBI)
12 Car Access System (CAS)