Controller.

The Controller lets you quickly and intuitively use or change any of the iDrive functions with one hand - without taking your eyes off the road.

As the central control tool for the iDrive system, the Controller is comfortably positioned on the central console, in easy reach of both driver and front passenger. Its rotate-and-press mechanism enables intuitive, one-handed operation.
This practical control system lets you access and change many of your vehicle's functions. Even long lists can be scrolled through quickly and smoothly. The Control Display offers clear visual information about the current menu options and relevant data. Furthermore, thanks to the Controller's intelligent haptic feedback, it is possible to operate it by the sense of touch alone, allowing the driver to remain primarily focussed on the road ahead.