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This updated version of the iDrive system will be available for BMW 1, 3 and 7 series starting from September.

The updated system includes a new iDrive Controller with shortcut buttons, together with a more intuitive iDrive menu system.

The highlights of the new system are as follows:

New iDrive Controller with more intuitive operation

High resolution Control Display with vibrant screen

Revised iDrive menu structure

Interactive help with on screen description of function

Built in hard disc drive for improved speed of operation and data storage

More detailed navigation map

New navigation options and settings to enhance route planning

Multimedia capability with 8GB storage for audio files

Improved voice control

New layout for Favourite buttons with new direct function keys (model specific)

[Source - Bmwblog]