 Di Grassi graduated to the Formula 3 Euro Series in 2005 with Manor Motorsport but started the season with a major accident at the Hockenheimring where he attempted to pass Giedo van der Garde but clipped the latter's rear-left wheel.He launched into the air and rolled several times before resting in the tyre barrier.Di Grassi recovered to have a solid season and took a lights-to-flag victory at the Oschersleben and came third in the championship.