See also:

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

Dynamic options: M Sport package, Adaptive M Sport suspension, sports automatic transmission and BMW 3-Series xDrive
Enthusiasts will welcome the further features that are available to enhance the dynamic driving qualities of the new BMW 3-Series and give them a distinctive visual dimension as well. The M Sport ...

Locking separately
The trunk lid can be locked separately using the switch in the front center armrest. Trunk lid secured, arrow 1. Trunk lid not secured, arrow 2. Slide the switch into the arrow 1 posit ...