Audi joined Mercedes and BMW for a special test prior to the Oschersleben event.
At the Monza test days, two of the Audi DTM appeared on the Italian circuit.
Timo Glock gets his first taste of racing a DTM car in Valencia with BMW.
BMW signed Timo Glock as their eighth driver for the 2013 season as they aim to repeat their 2012 championship in the German Touring Car Masters (DTM) series. Glock tested with the manufacturer in Valencia.