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Why is the idle speed of my BMW 1 Series fluctuating?

I've noticed that when I'm at a stop, the idle speed of my BMW 1 Series fluctuates between 700 to 1000 RPM. Is this normal or is something wrong with my car?

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Answers (3)

J

This is a common issue in BMW 1 Series and could be caused by a few different factors. One possibility is a dirty or faulty idle control valve, which can be cleaned or replaced. Another possibility is a vacuum leak, which can be detected and fixed by a mechanic. It's always best to have a professional diagnose and fix the issue.

E

I had the same issue with my BMW 1 Series and it turned out to be a faulty oxygen sensor. This is a relatively easy and inexpensive fix, so I suggest getting it checked out by a mechanic.

E

I had a similar problem with my BMW 1 Series and it was due to a worn out drive belt. I replaced it and the idle speed went back to normal. Check your drive belt for any signs of wear and if it looks worn out, get it replaced.

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