As of 2013 two rounds of the BOSS GP series have formed an official German championship sanctioned by the DMSB. In the 2018 season, BOSS GP ran a support race for two major motorsports events (the German Grand Prix at Hockenheim and the Red Bull Ring round of the DTM Championship) for the first time. The series later supported DTM at Assen in 2019 and Spa-Francorchamps in 2020. It also expressed an interest in taking part in the planned 70 years of F1 celebrations at Silverstone before those plans were cancelled entirely due to COVID-19 restrictions.