For the 1986 season, BMW was back to three teams with the addition of Benetton. Benetton had the most success, scoring 19 points, and winning the Mexican Grand Prix. In , BMW only supplied Brabham with works engines. Arrows and Ligier used the "Megatron", a rebadged BMW engine. At the end of the year, Benetton team owner Bernie Ecclestone decided not to compete the following year. This ended the BMW turbo engine. The Arrows team still used the "Megatrons" engine for . They finished fifth in the Constructors' Championship, their best finish in the team's 25-year history.