What is the song from the car commercial where the top & bottom of the car keep changing with other vehicles?

The car is driving over sand, where it changes with some sort of rally car, and driving over snow in another scene, where it interchanges with a 6 wheeled vehicle. It also changes with a double decker bus and an indy car. By changes I mean the bottom half or the top half of the car gets switched out in place of the other half of another vehicle.What is the song from the car commercial where the top %26amp; bottom of the car keep changing with other vehicles?bmw