If it's running full synthetic the oil would be fine for 15,000 to 20,000km as per oil manufaturers guidelines. Most people do it every 10,000 just because it makes them feel better. As far as breaking in goes it doesnt really need to be done as tolerances are a lot tighter, better materials used and advances in oil technology have made it virtually redundant but if it makes you sleep at night follow as others have said.
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