Frank Stippler

Audi unveils four-car Nurburgring 24 Hours 2017 effort

Audi well prepared for Nürburgring 24 Hours

Impressive numbers for the 2015 Blancpain GT Series

Audi R8 LMS clinches second and third place at Spa

Emotional maiden win for BMW Sports Trophy Team Marc VDS

Wet start to the 2015 Total 24 Hours of Spa

Five different brands in six tenths during Superpole

Stippler secures Spa 24 Hours pole for Audi

Point finishes but no highlights for Team WRT in Moscow’s Sprint round