Walter Röhrl
From 1999 until 2005 Asch raced the 24 Hours Nürburgring, aboard the Nissan Skyline GT-R entry of Japanese team Falken every year as their lead driver. He last appeared on the race in 2010, in a project made by German magazine Sport auto (Germany) and Porsche test driver Walter Röhrl, who did not took part due to health reasons.