Bringing a Smart Engine M132 Back to Life. • In this video, we assemble the engine of a Smart ForTwo equipped with a 1.0-liter, 3-cylinder petrol engine producing 52 kW, model year 2007, body W451. The vehicle originally arrived at the workshop with serious complaints: constant overheating, coolant temperature rising above 90°C, no cabin heat with only cold air from the heater, and repeated coolant boil-over. Initial diagnostics pointed to an internal engine issue, most likely a failed cylinder