1 | 4 | Mexican Grand Prix | 10 | West Zakspeed Racing | Zakspeed 881 | Zakspeed 881 | 15 | Engine |
2 | 7 | French Grand Prix | 10 | West Zakspeed Racing | Zakspeed 881 | Zakspeed 881 | 21 | Gearbox |
3 | 11 | Belgian Grand Prix | 10 | West Zakspeed Racing | Zakspeed 881 | Zakspeed 881 | 25 | Gearbox |
4 | 12 | Italian Grand Prix | 10 | West Zakspeed Racing | Zakspeed 881B | Zakspeed 881 | 15 | Engine |
5 | 15 | Japanese Grand Prix | 10 | West Zakspeed Racing | Zakspeed 881B | Zakspeed 881 | 25 | Physical |