Got this update:
"Rear View Camera, from late 2009, will have the spectacular new Top View feature. Top View provides the driver with an “birds-eye view” of the vehicle on the iDrive control screen, created by using three cameras, combining the input from a camera on each side of the vehicle (concealed inside each wing mirror) and the traditional rear-view camera. Top View provides the driver with additional confidence for tight parking scenarios."

So hope this is true...