Answer
Hans-Joachim Stuck has indeed driven for BMW. He competed in Formula 1 for the team from 1977 to 1985. He won two races for the team, the 1977 Austrian Grand Prix and the 1980 German Grand Prix. He also finished on the podium four other times for the team. Stuck also drove for BMW in sports car racing, winning the 1980 24 Hours of Le Mans.