I The BMW i8 engine, which combines eco-efficiency and performance in a futuristic design, is a masterpiece of hybrid engineering. The 1.5-liter, 3-cylinder turbocharged petrol engine and electric motor in this plug-in hybrid powertrain combine to produce 369 horsepower. Because of its special configuration, the bmw i8 engine can accelerate quicklyfrom 0 to 60 miles per hour in just over 4 secondswhile yet achieving remarkable fuel economy and minimal emissions.