What should I do if my BMW X3's check engine light is on?

I recently noticed that the check engine light in my BMW X3 has turned on. I'm not sure what I should do next. Any advice?

First, don't panic. The check engine light can come on for a variety of reasons, some of which may be minor. However, it should not be ignored as it could also indicate a more serious issue. The best course of action would be to bring your car to a trusted mechanic who can diagnose the problem and provide a proper solution.

One common reason for the check engine light to turn on is a loose gas cap. Make sure to check and tighten the gas cap before driving your BMW X3 again. If the light stays on, it's best to get it checked out by a professional.

It's possible that the check engine light could be caused by a faulty oxygen sensor. This is not a critical issue, but it can affect your vehicle's fuel efficiency and emissions. A mechanic can easily replace the sensor and get your BMW X3 back to optimal performance.