Gunnar Nilsson was a works - driver for March in the 1976 Formula 2 championhip .
Gunnar Nilsson came into Formula 1 in mid-season as the result of a swap involving countryman Ronnie Peterson leaving Lotus and joining the March F1 team .
Gunnar Nilsson was a works - driver for March in the 1976 Formula 2 championhip and came into Formula 1 in mid-season as the result of a swap involving countryman Ronnie Peterson leaving Lotus and joining the March F1 team .