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I have a 1991 318i m42. Starts and idles great from cold. When I try to start it after its been warmed up it idles irraticly and dies if I dont give it gas. Eventually the idle corrects and it drives just fine with no issues. i have replaced multiple vacuum hoses and cleaned the icv. Tested the icv and get 10 ohms between the two terminals. My icv only has 2 terminals. Is my icv bad? If I unplug it what should happen? Thanks.

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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: BMW E30 3 Series Idle Speed Troubleshooting

It's difficult to diagnose something like this over the Internet, but it does sound typical of issues you would have if you had a vacuum leak. I would triple-check all the hoses to make sure there are no cracks or leaks.

- Wayne