Dazed by a Technical Knockout (New York Times) -- "Though intended to be intuitive, iDrive is maddening, especially at first. The hardware becomes easier to use with practice, but just as you get the hang of it you run into some exasperating quirk of the software: you call up menus just to tune the radio or adjust the air flow. If you've wondered what a car from Microsoft might be like, the 7 offers a clue."