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Interserie- cars
Manfred Anspann (München, Bavaria, Germany) raced a Maurer MM83 in German national events in 1984. He was a non-qualifier at the Hockenheim F2 race in April. He later raced it in three Interserie races that season, at Erding (debut), Most and Siegerland.
It is believed to be the car later driven for Gebhardt Motorsport by Jan Thoelke and Jürgen Weiler, but this is still to be confirmed.
In October 1984, Gebhardt Motorsport entered a "Maurer BMW Can-Am MM83" for Jan Thoelke at the Nürburgring Interserie. Jürgen Weiler then drove a MM83 for Gebhardt Motorsport in Interserie in 1985 that photographs show was the Thoelke car.
Then in 1986, Gebhardt Racing Cars (Sinsheim, Baden-Württemberg, Germany) entered a car for Günther Gebhardt to drive which was described as a "Maurer Ford Cosworth Can-Am" and was entered in Class I, not Class II as it would have been if it had a F2 engine. He drove it at the Österreichring on 13 July, and at Siegerland on 31 August.
He drove it again in 1987 at Hockenheim, the Österreichring, Wunstorf, Most, Siegerland and Österreichring again in October.
This was then the "Maurer Gebhardt" and "Maurer Manzel" raced by Horst Spiegelhalder (Titisee-Neustadt, Baden-Württemberg, Germany) in 1988, 1989 and 1990. Photographs show it in identical bodywork, and with pushrod front suspension.
In 1991, Thomas Stingelin (Wohlenschwil, Aargau, Switzerland) raced a "Maurer-BMW Can-Am" in Interserie events, entered by Ecurie Basilisk. Photographs again suggest that this was the same car.
The MM83 is then said to have been owned by Bernard Wissler (Germany) from 1990 to 2005.
In October 2005 it was sold to the Lennon Brothers in Queensland, Australia. Sold to to Chris Farrell (Queensland) in 2023. Run by Farrell at Morgan Park Raceway in October 2025 and at Sydney Motorsport Park in November 2025.