RACE SERIES/ EVENT:ETCC - DONINGTON PARK 500KM. (3) LUIGI RACING - CHEVROLET CAMARO. (2) WOHNBAU RACING TEAM - BMW 320. YEAR/ DATE:23/24 MAY, 1981. (1) EGGENBERGER RACING - BMW 635CSI. THE WINNING #1 CAR WAS DRIVEN BY UMBERTO GRANO & HELMUT KELLENERS.