Instead, a former factory BMW M1 was purchased for the Deutsche Rennsport Meisterschaft (DRM) in 1980 for driver Jürgen Lässig, achieving mixed success over the following years.

[2] Lässig with co-driver Axel Plankenhorn completed the European Endurance Championship for Drivers in seventh place, finishing all races during the season.

Belgian Hervé Regout became Lassig's new teammate for the World Sportscar Championship from 1984 onward before later being joined by Spaniard Jesús Pareja, earning consistent top-ten finishes over the years.

During this time Obermaier also made an entry in the Deutsche Tourenwagen Meisterschaft (DTM) with a BMW 635 CSi for Harald Grohs, finishing third in the championship in 1984 and 1985.

[4] Obermaier partnered with Antoine Salamin's eponymous team for the 1991 campaign with the best finish of fourth at the Nürburgring for Altenbach and Jürgen Oppermann.