1 | 7 | Canadian Grand Prix | 1 | MRD International | Brabham BT53 | BMW M12/13 | 1 | 1 |
2 | 8 | Detroit Grand Prix | 1 | MRD International | Brabham BT53 | BMW M12/13 | 1 | 1 |
3 | 12 | Austrian Grand Prix | 1 | MRD International | Brabham BT53 | BMW M12/13 | 1 | 2 |
4 | 15 | European Grand Prix | 1 | MRD International | Brabham BT53 | BMW M12/13 | 1 | 3 |