Mini Cooper F56 B38 Engine 2015 Complete The Mini Cooper F56 B38 engine (2015) is a 1.5 litre turbocharged inline three petrol engine producing Mini Cooper F56 B38 engine (2015) an exact factory output of 100 kW (136 HP) and 220 Nm of torque. Part of BMW’s modular B series engine family, the B38 is known for smooth operation, strong efficiency,