Eric Sargent details the upcoming version of the iDrive 4.2, with built-in Audible audiobooks, Rhapsody music streaming, 3d graphics processing, as well as 200GB of storage for apps and music.

http://www.bmwblog.com/2013/04/25/interview-with-eric-sargent-on-new-bmw-apps-for-idrive-ecall-and-update-on-iphone-5-connector/