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Why does my BMW 1 Series make a weird noise when I accelerate?

I recently noticed that whenever I accelerate in my BMW 1 Series, there is a strange noise coming from the engine. It doesn't happen all the time, but it's definitely noticeable when it does. Any idea what could be causing this?

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Answers (3)

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It's possible that the noise could be coming from the exhaust system, specifically from a loose or damaged muffler. You should get it checked out by a mechanic to avoid any potential issues.

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If this noise only started happening recently, it could be a sign of a clogged air filter. This can cause unusual noises and decrease engine performance. Consider getting a new air filter and see if it helps.

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Another common cause of strange engine noises in the BMW 1 Series is worn out spark plugs. These should be replaced every 60,000 miles or so. It may be time for a tune-up.

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