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Old 10-21-2019, 12:06 AM
cn90 cn90 is offline
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Join Date: Jun 2014
Location: Omaha, NE
Posts: 1,245
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Quote:
Originally Posted by mitch500 View Post
Suprised no one said to clean the ICV
Just want to say thanks to mitch500.

My 2004 X3 2.5i with 95K miles.
Intermittent stalling 2-3 times year, then started right up and no problem for the next 4-5 months.
Also occasional rough idle rpm.

I suspected the ICV, then once removed, sure enough, dirt build-up is seen on the rotating valve.
Cleaned with carb cleaner.
All is well, engine is smooth now.

PS: While there, I replaced the Intake Rubber Boot. The factory rubber boot from 2004 did not look to bad.
Just minor cracks on the rubber tube leading to the ICV but no leak.
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2006 E53 X5 3.0 6sp MT
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