July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System overview

Fig 1: Electric Throttle Valve Actuator - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Index	Explanation
1	Camshaft sensor, intake camshaft
2	Digital engine electronics (DME)
3	Electric throttle valve actuator
4	Crankshaft sensor