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Why does my BMW X3 have a rough idle?

I recently noticed that my BMW X3 has a rough idle when it's in park or at a stoplight. Is this something I should be concerned about? What could be causing it?

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Answers (3)

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Having a rough idle in your BMW X3 could be caused by a variety of factors, including dirty fuel injectors, a faulty oxygen sensor, or a clogged air filter. It's best to have your vehicle checked by a mechanic to diagnose the exact issue. In the meantime, make sure to keep up with regular maintenance and use high-quality fuel.

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If your BMW X3 has a rough idle, it could be a sign of a vacuum leak. This can be caused by a loose or damaged hose or gasket. It's important to get this checked out as soon as possible, as a vacuum leak can lead to more serious issues if left untreated. I recommend taking your car to a certified BMW mechanic for diagnosis and repair.

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One possible cause of a rough idle in your BMW X3 could be a malfunctioning spark plug. Over time, spark plugs can become worn or dirty, affecting the engine's performance. I suggest getting your spark plugs replaced at regular intervals and using the recommended type by BMW. This can help prevent future issues with idle.

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