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Hello All...

I bought my '07 328i a couple weeks ago. Everything has been fine until 3 days ago. When I go to work in the morning, all is good for the first few miles. Then I start hearing a whistling noise from under the hood, and then the car's idle starts jumping up and down. Sometimes even completely shutting off. No engine lights. Then if I turn the car off, let it sit for a couple minutes, then restart....it runs fine.

This only happens in the morning. Not any other time of the day....hot or cold. This has been going on for three days now.

Any help would be greatly appreciated!
 

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YouTube a crankcase breather valve. It will explain what is happening

Sent from my LG-H901 using Tapatalk
 
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