See also:

5 Series Gran Turismo
For 2010, BMW added a hatchback version of its rear-wheel-drive 5 Series, dubbed the 5 Series Gran Turismo, starting with a 550i "GT" powered by the same 400-hp, twin-turbo V-8 as the 55 ...

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

External devices
At a glance ...