Nyorai kupfuurira kweiyi ndima - P115 yakatanga kuoneka paDutch Grand Prix (pamwe chete neBrabham BT24 itsva neLotus 49) asi haina kumhanya kusvikira kuGerman Grand Prix
paNürburgring. Stewart aiwanzoenda zvakanaka paNürburgring uye akakwanisa kukwanisa motokari iri mumutsara wokutanga nechitatu yakakurumidza nguva ye8: 15.2. Mushure mekudonha kusvika pachinomwe mushure mekutanga Stewart akakwanisa kushanda nzira yake kudzokera kuchitatu ne lap 5 apo mujaho wake wakapedzwa nekukanganisa kumwechete kwakange kwakanganisa P83 yaSpence pakutanga mujaho.