₩ăřņîñĞ Posted July 18, 2016 Posted July 18, 2016 The Luxury Line has also been eliminated. A new Luxury Package is a no-cost option that includes most of the features of the previous Luxury Line model. The M Sport Line was also eliminated. The M Sport Package takes its place. Overview The 4's wide stance is accentuated up front by a muscular, creased hood, a flared lower fascia and BMW's new fused-grille/headlight design. The flanks feature sharply creased character lines and vent-like "Air Breather" aerodynamic aids that work with "Air Curtain" front intakes to cheat the wind, while a racy, elongated roofline combines with a lengthy hood to create classic proportions. The 4 is fitted with a three-piece retractable hard top that electronically opens or closes in 20 seconds at speeds of up to 11 mph. The hard top provides a quieter ride and better all-weather insulation than a conventional fabric top while giving the convertible a coupe-like silhouette when closed. Backing up the sporty appearance is a choice of two powerful yet efficient turbocharged and directed-injected motors. The 428i uses a 2.0-liter four-cylinder with 240 horsepower and 260 lb-ft of torque - potent enough to propel the coupe from zero-to-60 mph in the mid-five-second range - while the 435i packs a 3.0-liter inline-six with 300 horsepower and 300 lb-ft of torque. When properly equipped, BMW says the 435i can hit 60 mph in five seconds flat. Both motors are available exclusively with an eight-speed automatic with optional paddle shifters; the coupe's six-speed manual is not available. A 75-pound lower curb weight courtesy of wide-spread high- and ultra-high-strength steel translates to improved efficiency compared to the old 3-Series Convertible. Also aiding economy is an auto-start system, regenerative braking and an ECO PRO system that provides tips on reducing consumption. Mileage is rated at 23/34 city/highway mpg for the 428i and 22/30 mpg for the 435i. The 4-Series Convertible is fitted with a lowered, specially tuned version of the 3-Series sedan's suspension. A strut located between the front axle's subframe unit and the body stiffens the front end for more precise steering and better body control, while the rear five-link suspension is also optimized for spirited driving. As with the 3-Series sedan, the 4-Series is offered in several "Design Lines," two of which feature a unique suspension setup to go along with their model-specific exterior and interior equipment. The Sport Line and M Sport Line trims utilize a taut M Sport suspension with a firmer spring/shock absorber arrangement, stiffer anti-roll bars, and tweaked bearings and bushings. Alternately, the 4-Series can be fitted with an adaptive suspension that electronically adjusts the dampers to suit any road or driving style. It's available as part of the Dynamic Handling package, which also replaces the standard electric-assist steering setup with a Variable Sport system that changes its ratio depending on the amount of steering lock the driver inputs.
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