The 2005 Formula 3 Euro Series season was the third season of the Formula 3 Euro Series . A total of ten race weekends took place. The kick-off on April 16, 2005 and the finale on October 23, 2005 took place at the Hockenheimring . Lewis Hamilton won the drivers' championship with 15 wins out of 20 races. His team ASM Formule 3 won the teams championship.