Their first season was not successful , von Opel only finished two races and the team 's best result that season was 13th at the 1973 British Grand Prix .
Based upon that success , von Opel commissioned a Formula One chassis .
von Opel 's first season was not successful von Opel   Opel only finished two races and the team 's best result that season was 13th at the 1973 British Grand Prix .
Based upon that success , von Opel commissioned a Formula One chassis .