It doesn't recall from the 1-2 memory presets, it recalls the LAST position for that profile, i.e. the last seat and mirror position the profile was in when you switched off regardless of any 1-2 saved positions. What you may be doing (unless you have a fault) is correcting the wrong profile.
Get both keys in the car and test by switching off ignition and using a key to unlock (no need to get out of the car or lock). This will switch to the profile of the key you unlocked with
BMW X3 (F25) xDrive20d SE . . titanium silver . . titanium front grille . . 309s . . xline . . xenons . . black leather . . alu trim . . professional multimedia package . . dynamic package . . climate package . . electric seats . . folding mirrors . . servotronic steering . . DAB radio . . business speakers . . sun protection glass . . split rear seats . .