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What is the most common cause of engine light on in the BMW 1 Series?

I recently noticed that the engine light on my BMW 1 Series turned on. I'm not sure what could be causing it and I'm worried it might be a serious issue. Can someone please advise me on the most likely cause and how to fix it? Thank you!

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K

The most common cause of engine light on in the BMW 1 Series is a faulty mass air flow sensor. This sensor is responsible for measuring the amount of air entering the engine and if it malfunctions, it can cause the engine light to turn on. It's important to get it replaced as soon as possible to avoid further damage to your car.

L

Another common cause of engine light on in the BMW 1 Series is a loose gas cap. Sometimes, the gas cap is not tightened enough, causing the fuel vapors to leak out and triggering the engine light. Make sure to check your gas cap and tighten it properly if it's loose.

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