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How to troubleshoot a check engine light on a BMW XM?

The check engine light is a warning sign that something is wrong with your BMW XM. It is important to address this issue as soon as possible to prevent further damage. What steps should you take to troubleshoot and address this issue?

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First, check the gas cap to see if it is loose or damaged. If it is, replace it. Then, check the O2 sensor to make sure it is functioning properly. If not, it may need to be replaced. If these steps do not resolve the issue, it is best to take your vehicle to a trusted mechanic for further diagnosis.

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Another possible cause of the check engine light is a faulty catalytic converter. This is a more serious issue that will require attention from a professional. Take your car to a certified BMW technician for a proper diagnosis and repair.

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