BMW 2013 X1 Owner's Manual page 126

Controls
Insert the bottle into the bottle holder with
the bottom slanted toward the front.
▷ In the center armrest.
Pull the center armrest forward at the strap.
To open: press the button.
To close: push both covers back in, one after
the other.
126
Storage compartments
Online Edition for Part no. 01 40 2 911 269 - VI/13