See also:

Adjusting the side extensions
Adjusting the side extensions Fold forward for increased lateral support in the resting position. Removing The head restraints cannot be removed. ...

BMW X5 xDrive50i: BMW's Twin-Turbocharged V-8.
The new BMW X5 xDrive50i takes its place as the flagship of the X5 family, yielding 400 horsepower at 5,500 rpm and 450 lb-ft of torque at 1,750 - 4,500 rpm from its twin-turbocharged 4.4 liter V- ...

Releasing
Raise lever slightly, press the button and guide the lever down. ...