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Front Door Satellite, Left/Right (STVL/STVR): Notes

The STVL/STVR are located inside the front doors, attached to the inner door carriers. The STVL/STVR contain a pressure sensor.

Fig 1: Identifying Front Door Satellite, Left/Right (STVL/STVR)
G03391535Courtesy of BMW OF NORTH AMERICA, INC.

The front door satellites are responsible for deploying the driver and passenger side airbags.

The satellite STVL / R is connected to the SIM via the byteflight.  The power supply of the satellites is also from the SIM and it is buffered by the memory backup capacitor. In sleep mode of the byteflight  , the power supply of the STVL / R is deactivated by the SIM. The watchdog function is run by the SIM.

Fig 2: Front Door Satellite, Left/Right (STVL/STVR) Circuit Diagram
G03391536Courtesy of BMW OF NORTH AMERICA, INC.