In 1966 he reformed his own team as Anglo-Suisse Racing Team (later to be renamed Ecurie Bonnier), but his interest in F1 gradually diminished.
Kaudeksi 1966 Bonnier muodosti Anglo-Suisse Racing Team -tallin (myöhemmin uudelleennimetty Ecuer Bonnieriksi), mutta hänen mielenkiintonsa F1:een vähitellen hiipui.