Junction Box Electronics

The junction box electronics is mechanically and electrically connected to the power distribution box. The junction box electronics combines numerous functions in a single control unit. The junction box electronics is connected via multiple plug connections..

Fig 1: Identifying Junction Box

Courtesy of BMW OF NORTH AMERICA, INC.

Graphic shows installation position in the R56

Index	Explanation
1	Junction box

Fig 2: Junction Box Electronics - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Block diagram for R56

Index	Explanation
1	Footwell module
2	Junction Box Electronics
3	Steering column switch cluster
4	Dynamic Stability Control
5	Engine control unit
6	Instrument panel
7	Additional instrument
8	Car Access System
9	Heating/air conditioning system
10	Mirror-adjustment switch