The 1 Series Convertible and the 1 Series Coupe follow the tradition established by the iconic BMW 2002 sport sedan. The essence of such driving purity - a responsive six-cylinder engine positioned within a rear-drive chassis to provide balanced, sporty dynamics - is at the heart of this compact four-place coupe and convertible.
The 128i Convertible will be powered by BMW's 3.0-liter, 230 horsepower inline six-cylinder engine generating 200 lb-ft of torque. Like its fixed-roof stablemate, the 128i Convertible will feature Valvetronic valvetrain management and aluminum/magnesium cylinder block construction-core elements of BMW's EfficientDynamics.
The 135i Convertible features BMW's twin-turbocharged 3.0-liter inline six-cylinder engine producing 300 horsepower and 300 lb-ft of torque from as low as 1,400 rpm. With its direct piezo gasoline injectors, twin low-mass turbochargers and air-to-air intercooler, optimum performance and economy is achieved with no loss in engine response. For the 135i Convertible, acceleration from 0-62 mph is accomplished in 5.4 seconds and top speed is electronically limited to 155 mph. Both engines feature on-demand engine coolant pumps that improve fuel economy and reduce parasitic losses for increased efficiency.
Additionally, in a mere 22 seconds-even on the move at speeds up to 25 miles per hour-the occupants within the 1 Series Convertible can go from encapsulated comfort to top-down exhilaration. If conditions dictate, the electro-hydraulically-operated softtop can be raised within the same 22 seconds, producing a distinctive silhouette enhanced by long frameless doors. The characteristic features of the BMW kidney-shaped grill, front skirt, door sills and rear skirt are identical to those of the 1 Series Coupe.
Source: BMW
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