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Discussion Starter · #1 ·
strangely enough, we have had some very warm weather out for April. 85 degrees last two days. I've noticed that my 2004 330i ZHP's idle is very very erratic and rough on start up only the last two days when it's warm outside. It's fine in the morning hours.

After I give it some gas, the idle smoothes out and stays even.

I checked and this car had the coils changed three years ago and is CPO'ed.

Anybody else experience this?
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