This video answers a lot. Depends on how you drive and many other variables (frequent short trips, long time idling, etc). The car itself does a good job calculating your oil life based on idle time and other driving factors.
IMO, definitely would not wait for 10k miles. I drive hard anyways so I'm going to stick with about 5 - 6k mile intervals after break-in with high quality oil that meets BMW's spec. If you're just leasing or planning on trading in the next few years, then you can wait 10k miles…and just pass the long term issues onto the next owner(s) lol