See also:

BMW X6: rear seats
The head restraints in the rear cannot be adjusted and cannot be removed. ...

Mounts for the lower LATCH anchors
Correctly engage the lower LATCH anchors Make sure that the lower LATCH anchors have properly engaged and that the child restraint fixing system is resting snugly against the backrest; otherw ...

Cargo
Despite the X6's sloping back end, the SUV has more cargo room than a two-row X5: 25.5 cubic feet as opposed to the X5's 21.9 cubic feet. The FX, meanwhile, has 24.8 cubic feet of space. If you ne ...