Safety And Gateway Module

Fig 1: Identifying SGM

Courtesy of BMW OF NORTH AMERICA, INC.

On the E60, the safety and gateway module (SGM) is the interface between the two data buses K-CAN and PT-CAN. Thus, all information exchanged between the light module and the AHL control unit passes through the SGM. Information from the yaw rate sensor (in the DSC sensor) is also fed through the SGM to the AHL control unit.