See also:

Tire inflation pressure values over 100 mph/160 km/h
320i   328i 335i ...

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

Twin-scroll turbocharging
The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spir ...