Originally Posted by jcolley
If you are only having issues at idle, your throttle actuators may be fine. I'm not positive about the S65, but for the S85 there are separate idle actuator from the throttle actuators. When opening throttle, the idle actuator opens fully first, before the throttle actuator is opened.
I'm having problems with my idle actuator right now and from what I see, the part number(http://www.bmwpartspros.com/parts/20...icleid=1441963
) that W/// gaves us is for the idle actuator so I'm guessing throttle actuator and idle actuator on the S65 is the same part! Not sure though!