3000? 6000? 10000? 15000? How to know when you need an oil Change?

People should follow the advice given in their owners manual rather than the advice of oil-change businesses. With modern synthetic oils and new tests such as BMWs LL long life oil specifications most current cars can go over 6000 miles 10000 km before needing an oil change. Even most modern conventional oils also called mineral oils can take a car engine at least 5000 miles before needing an oil change,

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