C3 ya dauki lokaci don a ci gaba, kuma wannan ya haifar da wani sabuntawa na FC188, FC188B, ana amfani dashi har zuwa 1989 Kanada Grand Prix. Zai tabbatar da zama farkon haɗuwa ga motar; Pierre-Henri Raphanel ya gama ƙarshe a cikin cancantar, amma ba wai kawai Roberto Moreno ya sami damar cancantar motar ba, ya sami damar kammala zagaye 57 kafin ya shawo kan matsalar gearbox. Koyaya, babu wani direba da ya sami damar cancanta don tseren na gaba, wanda shine Babban Prix na Faransa na 1989. Moreno ya yi nasarar cancanta ga
1989 Grand Prix na Burtaniya, amma ya ɗauki awanni biyu kafin ya sake samun matsalar gearbox. Ba har zuwa 1989 Portuguese Grand Prix cewa Coloni ya sake samun cancanta ba; a lokacin, an maye gurbin Raphanel da Enrico Bertaggia, yayin da Moreno ya cancanci 15th a cikin abin da zai zama mafi kyawun zaman da Coloni ya taɓa yi. Koyaya, bayan Arrows 'Eddie Cheever ya share C3 a ranar Asabar, an lalata fuka-fukan gaba da aka sabunta, kuma Moreno ya yi gwagwarmaya har sai wutar lantarki ta tilasta masa yin ritaya a zagaye na 11. Wannan shi ne karo na karshe da wani Coloni ya sanya shi a kan grid a shekarar 1989.