BMW 1 Series petrol variant comes loaded with a powerful 1.6-litre, 4-cylinder petrol engine. This engine is integrated with 4 cylinders and two turbo chargers which enables it to produce 134.1bhp@4400-6450rpm of maximum power and 220Nm@1350-4300rpm of peak torque. BMW 1 Series diesel variants use a 2.0-litre, 4-cylinder diesel engine which is further integrated with twin turbo chargers. This robust mill churns out 140.8bhp@4000rpm of max power and 320Nm@1750-2500rpm of peak torque. Its Engine displacement is 1995cc while the petrol engine displaces 1598cc. BMW has successfully incorporated both these engine with a 8-speed automatic transmission gearbox.