While the proposed Lauda-McLaren deal did not eventuate and the Austrian abruptly retired at the Canadian race, the relationship between Brabham and BMW had prospered and they came to an engine supply agreement in the summer of 1980. While Brabham switched to normally aspirated Cosworth DFVs for the 1980 season, the team's owner, Bernie Ecclestone, could see that turbo engines were likely to be key to being competitive in the long term.