See also:

Unbuckling the belt
1. Hold the belt firmly. 2. Press the red button in the belt buckle. 3. Guide the belt back into its reel. ...

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

Resetting values
The average fuel consumption and average speed can be reset. Press and hold the computer button on the turn signal lever. ...