VLN 2015
Audi R8 LMS ultra #44 (Twin Busch Motorsport), Marc Basseng, Dennis Busch, Marc Busch

In the season finale of the VLN Endurance Championship Nürburgring, Team Twin Busch Motorsport in the Audi R8 LMS ultra clinched a victory in the SP9 class. In the overall classification, Marc Basseng, Marc and Dennis Busch, who had been leading the field in between, took fourth place.