フェラーリ・チャレンジ
During the early 1980s, Oppitzhauser changed sports, trying his hand at harness racing, before returning to touring cars in 1984, where he stayed until 1992. From 1995 to 1999, he participated in the Ferrari 355 Challenge, then switched to a Ferrari 360 Modena, winning the European Group 2 Ferrari Challenge in 2001. He subsequently moved up to the Group 1 Ferrari Challenge. His last Ferrari Challenge entry came at Imola in 2017, finishing 22nd in the amateur class.