Functional description

WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2016 BMW M5, 2016 BMW 550i xDrive, 2016 BMW 550i, 2016 BMW 535i xDrive, and 2016 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.

The DDE control unit opens and closes the throttle valve actuator electrically. The throttle valve's precise current position must be registered at all times to as a condition for optimal control. This function is discharged by the throttle-valve sensor, which provides contactless monitoring of the throttle valve's position within the throttle-valve actuator.

Fig 1: Identifying Throttle Actuator, Valve And Pin Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Throttle actuator
2	Throttle valve
3	five-pin plug connection

When no power is being applied spring force holds the throttle valve open within the throttle-valve actuator.