GP3 Series 2015: Ralph Boschung (SUI) Jenzer Motorsport and Marvin Kirchhofer (GER) ART Grand Prix at the start of the race at GP3 Series, Rd2, Spielberg, Austria, 19-21 June 2015.
Ralph Boschung (SUI) Jenzer Motorsport and Marvin Kirchhofer (GER) ART Grand Prix at the start of the race at GP3 Series, Rd2, Spielberg, Austria, 19-21 June 2015.