At the age of 16, Rosberg progressed to car racing, competing in three races for the 2001 Formula BMW Junior Cup Iberia finishing in 18th in the Drivers' Championship with 38 points. For his first full season of car racing, he drove for VIVA Racing in the 2002 Formula BMW ADAC Championship, winning the drivers' title with nine victories from twenty races and amassing 264 points. For winning the title, Rosberg drove a Williams FW24 at a test session at the Circuit de Catalunya on 3 December. At the time, he became the youngest person ever to drive a F1 car.