There are films that make you want to run to the bookstore or, in reality, Amazon.com. Any Jane Austen or Dickens adaptation. Atonement. Requiem for a Dream perhaps. Then there is Paul Thomas Anderson's adaptation of Thomas Pynchon's Inherent Vice.
If the 3 Series is the star of the commercial, then the co-star is the Gravity Slider -- the revolutionary camera rig created especially for the BMW shoot. The device is the brainchild of the commercial's two quirky Icelandic directors: the Snorri Brothers.