The first oil change shouldn't be too soon. Because the first oil filled by the factory is completely different than the ones in the market. They are meant for breaking in the raw metal. i do mine between 10-15k km, depends on how long the period is. Usually shouldn't be longer than a year. BMW service is too elementary! 30k km for oil and filter. Air filter 60km as well as fuel filter! transmission oil is life time. It also depends the climate and environment. If it 's very dusty or a lot of elements, you should consider too change yours more often. In addition, if you do more city drive, change interval should be shorter.
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