In the glove compartment

Push the handle up, arrow 1, and open the lid, arrow 2.
See also:
Before mounting
Before mounting child restraint fixing systems,
ensure that the rear seat backrests are locked. ...
Compact Design
Just as BMW's compact 3 Series ranks below the midsize 5 Series, the
five-seat X3 sits in the shadow of the larger X5. The styling clearly says BMW,
but it's the multi-paneled look of earlier mode ...
Tire inflation pressures at max. speeds
above 100 mph/160 km/h
Speeds above 100 mph/160 km/h
In order to drive at maximum speeds in excess
of 100 mph/160 km/h, please observe, and,
if necessary, adjust tire pressures for speeds
exceeding 100 mph/160 km/h ...
