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Message: <blockquote data-quote="John_Smith" data-source="post: 22548" data-attributes="member: 15372"><p>hey guys!just wanna get your opinion.My e36 is vibrating during idling, it is worse when the engine is cold. When it is warm, it seems like it's not too obvious. There is no lose of power during driving nor there is any vibration as well. So, this would eliminate engine mounting as suspect. I suspect some vacuum leak somewhere. I have previously changed the crank case vent pipe before and have the ICV (idling control valve) and throttle body cleaned about 3 months ago.I think the oil separator could have been clogged up. I am also eager to plug in the computer to check if any sensor is konked.Any other suggestion on plausible causes?</p></blockquote><p></p>