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      02-22-2013, 08:33 AM   #33
jcolley
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Drives: 2006 M5
Join Date: Jul 2007
Location: Maine

Posts: 85
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They are separate parts. The throttle actuator is nothing more than a large servo not unlike an RC car, but with a CAN interface. It uses a linkage arm to operate the throttle body butterflies.

The idle control is similar, but has a valve built in to control airflow through it.

Look here for part numbers:
http://realoem.com/bmw/partgrp.do?mo...id=52128&hg=13


Idle actuator is
http://realoem.com/bmw/showparts.do?...41&hg=13&fg=15


Throttle actuator is
http://realoem.com/bmw/showparts.do?...45&hg=13&fg=15
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