LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> M2 Standard Trans >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description - F22/F23/F87 (1 Of 2) >> Towing - Functional Description >> Fully automatic trailer tow hitch with LIN bus >> System functions >> Notes

System functions: Notes

Functional networking using the example of F01

Fig 1: Central Gateway Module Communication Diagram
G09872477Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Central gateway module (ZGM)
2 Instrument panel (KOMBI)
3 Car access system (CAS)
4 Junction Box Electronics (JBE)
5 Trailer Module (AHM)
6 Power distribution box, right rear
7 Control unit, fully automatic trailer tow hitch
8 Button, fully automatic trailer tow hitch, with LEDs
9 Drive, fully automatic trailer tow hitch
10 Microswitch, trailer detection
11 Tailgate/tailgate lock

Functional networking using the example of F30

Fig 2: Automatic Trailer Tow Hitch With LIN Bus Communication Diagram
G09872478Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Instrument panel (KOMBI)
2 Front Electronic Module (FEM)
3 Trailer Module (AHM)
4 Power distribution box, right rear
5 Rear Electronic Module (REM)
6 Control unit, fully automatic trailer tow hitch
7 Button, fully automatic trailer tow hitch, with LEDs
8 Drive, fully automatic trailer tow hitch
9 Microswitch, trailer detection
10 Tailgate/tailgate lock