PS-Garage has published a render picture of the upcoming 2014 BMW 4-Series Convertible. After the revealing of the Coupe model, it is easier to imagine how the convertible version will look like.The engine range will include the same power units as the Coupe - a 428i with 2.0 liter turbocharged petrol with 245HP (180 kW) and 350Nm (259 lb-ft) of torque. 0-100 km/h in 5.7 seconds and a top speed of 250 km/h (155 mph); and a 435i – a 3.0 liter turbocharged petrol with 300HP (224 kW) and 406Nm (300 lb-ft) of torque. 0-100 km/h in 5.3 seocnds and a top speed of 250 km/h (155 mph).Stay tuned for official information and pictures!