It's a late summer day, and I'm sitting in the driver's seat of a BMW 3 Series at the Mazda Raceway Laguna Seca in Salinas, Calif. Sitting, not driving. When I lift my hands from the wheel at the beginning of this 2.2-mile course, the car accelerates to 75 mph almost instantly, pushing me and my passengers-BMW engineers and executives-into our leather seats. The car's computer brain, using satellite signals to navigate the track, is in control."Wait until you see what's coming up," says Tom Kowaleski, a BMW spokesman, as we head for the Corkscrew, a steep, tight S-curve and the scene of numerous YouTube crash videos.
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