The BMW M12/13 turbocharged straight-4 engine was famous during its life for being the first Formula 1 engine capable of in racing trim, although it was capable of nearly for qualifying with modification of its boost. This engine had a bore and stroke of x , giving a displacement of 1,499.79 cc. Maximum crankshaft speed was 11,200 rpm. Peak power b.m.e.p. was in the region of 1,000 lbs/sq.in.
