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Old 01-16-2013, 04:12 PM
south26 south26 is offline
Officially Welcomed to the 'Fest
Location: Dayton, OH
 
Join Date: May 2009
Posts: 648
Mein Auto: 535i 1989
He does have the ICV, but is the older model. It could also be your idle control module, which is below your ECU in the glove box. It is green. The idle in the 533i was not controlled by the ecu but this module. When it is idling badly try fitting the box. If it helps then you know it is the module.

Andy
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