Complex sentence: In 2006, Volkswagen entered in the series with the Bora and the championship adopted a point system similar to the one used in NASCAR, as well as a new system with 16 teams and 32 drivers.
Split into simpler sentences: In 2006, Volkswagen entered in the series with the Volkswagen Bora and the championship adopted a point system similar to the used in NASCAR. The championship adopted a new system with 16 teams and 32 drivers.