Set for release next year, the stunning twin-turbocharged 135i coupe boasts a 3.0L engine that produces 300hp @ 5800rpm and 300 ft-lb torque @ 1400-5000rpm, rocketing it from 0-60mph in just 5.3-seconds. Video after the jump.

With its direct piezo gasoline injectors, twin low-mass turbochargers and air-to-air intercooling, optimum performance and economy is achieved with no loss in engine response

[via RSportsCars]