See also:

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...

Adjusting the side extensions
Fold the side extensions on the head restraint forward for increased lateral support in the resting position. ...

X3 in the Market
At $38,000, the X3 starts substantially higher than its nearest competitor, the Acura RDX. Save for its problematic transmission behavior, the BMW offers a more buttoned-down driving experience th ...