-Whether cruising in the swanky convertible or raising hell in the racy coupe, the two-door 4-series exemplifies the luxury sports car. Based on BMW’s venerable 3-series sedan, both body styles are available with an overachieving 248-hp turbocharged four-cylinder (430i) or a dynamic 320-hp turbocharged inline-six (440i). The convertible is of the hardtop variety, which enhances […]
