The BMW M12/13 turbo,is a 1500cc 4-cylinder turbocharged engine.
It was based on the standard BMW M10 and was introduced in the 1961.This engine powered the F1 cars of Brabham,Arrows,Benetton and won the championship in 1983.It also powered the BMW GTP,in the 2.0 liter natural aspirated form. Enjoy the video below.