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What are the common maintenance issues for the BMW 4 Series?

I recently purchased a BMW 4 Series and want to ensure I am prepared for any potential maintenance issues. Can someone provide some insights on common issues I may face and how to address them?

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One of the common maintenance issues for the BMW 4 Series is the timing chain tensioner. As the car ages, the tensioner can wear out and cause rattling noises. It's important to have this checked and replaced if necessary by a certified BMW mechanic.

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Another issue to watch out for is coolant leaks in the engine. This can be caused by a faulty thermostat or a crack in the radiator. Regularly checking your coolant level and addressing any leaks immediately can prevent more serious engine damage.

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Electrical problems, such as faulty sensors or battery issues, are also common in the BMW 4 Series. It's important to have your battery checked regularly and address any warning lights that come on. Keeping up with routine maintenance can help prevent these issues.

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