Lucas Auer beat title rival Sheldon van der Linde to victory in the penultimate DTM race of the season at Hockenheim, which was red-flagged following a fiery multi-car incident.
All cars were heavily damaged in the incident, with the engine from Olsen's Porsche being thrown out of the car on impact and immediately catching fire.
Wittmann tried to put pressure on Auer on the out-lap, but the Austrian was able to withstand the pressure and eventually eke out a one-second buffer over the two-time champion. The Schubert BMW driver jumped from 16th to eighth at the original start, avoiding the mess that ensued between Turns 1 and 2 as well as the errant wheel thrown off his brother Kelvin's Audi, before charging past his rivals including Rene Rast to move up to podium positions.