[gallery link="none" columns="1" size="full" ids="38398"] source: Roland Löwisch for Audi Sport 610 turbo horsepower, the Hockenheimring and rainy weather: challenging preconditions for motoring journalist Roland Löwisch doing his test laps in René Rast’s championship-winning Audi RS 5 DTM. Löwisch has been reporting about the motoring sector since 1990. The ‘Auto Bild’, ‘Auto Forum’ and ‘STERN’ magazines have been the most important stints in his professional career during whi...