I think the car being left for 8 hours may be the problem.
We use our keys and regularly swap around drivers. There is no need to log the doors just unlock using the key whose profile you want to change too.
Yes locking the doors does "save" the profile to the respective key.
BMW X3 (F25) xDrive20d SE . . Alpine White. . Oyster Leather . . 8 Speed Servotronic. .RFTs. . High Beam Assist. . Electric Seats . . DAB Radio. .USB/Bluetooth