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2008 BMW X3 3.0d cruise control buttons
"...Still based on the same system, today's cruise controls are far more complex, with the whole scheme now including a cable connected to the throttle valve and to an actuator plus a pivot that moves this cable depending on the configured speed. More advanced systems include an electronically-controlled engine vacuum that adjusts the throttle position. While older systems used information provided by the driveshaft, the speedometer cable or the engine RPM, newer versions are ..." Continue Reading →
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