The new BMW 4-Series Coupé was developed with the aim of redefining the essence of driving pleasure in the premium midsize segment. The two-door model is based on the technical underpinnings of the latest BMW 3-Series Sedan. But the design and blueprint for this latest generation adds another layer to the autonomous identity encapsulated in its standalone model name. A rigorous commitment to optimising the car's proportions, aerodynamics, body stiffness and chassis mounting has resulted in extraordinarily sporty handling.
Model-specific chassis technology plays a particularly important role in putting clear water between the new BMW 4-Series Coupé and the latest BMW 3-Series Sedan, and in giving it a significantly sharper character than its predecessor. In this way, the latest model generation latches onto the advances made with the dynamic skillset of the latest 3-Series and extends that fresh potency even further into an intoxicating experience of performance at work.
Design
Over the course of what is now five model generations, BMW Design has developed an inimitable style for the brand's midsize coupés. The styling of the new BMW 4-Series Coupé provides an expressive showcase for the individual character of the sporty two-door car. Out of BMW's new styling language has come a body design - based around a small number of precise lines and large, clear surfaces - which radiates pure driving pleasure from every angle.
The vehicle concept behind the new BMW 4-Series Coupé focuses more resolutely than ever on delivering a driving experience of compelling dynamism. This mission statement is faithfully reflected in the car's design. The new 4-Series Coupé exudes an unwavering sense of sportiness beyond that of earlier model generations. At the same time, its styling distinguishes it clearly from the latest 3-Series Sedan. The proportions and lines of the two-door model are replete with the sporting elegance characteristic of BMW coupés. This distinctive appearance instils the new 4-Series Coupé with a degree of exclusivity and prestige beyond anything else in its class.
Elegant and dynamic side view, powerful rear
The flanks of the new BMW 4-Series Coupé are shaped by precise and tautly carved surfaces, a slim window graphic with surrounds in matt black as standard and a stretched roofline flowing smoothly into the tail. Their contours, crisply defined by a small number of lines, collectively form an athletic overall sculpture. Reduced surfacing above the front wheel arches provides a visual signifier of the car's agility, while the glasshouse - heavily tapered in its rear section - and the muscular shoulders above the rear wheels accentuate its wide track and powerful stature. The dynamic impression created by the vehicle body combines with an elegantly extended side window graphic, which culminates in a particularly tight interpretation of the Hofmeister kink counter-swing at its trailing edge.
Powerful yet efficient petrol engines in the BMW 430i Coupé and BMW 420i Coupé
The BMW 430i Coupé and BMW 420i Coupé also boast remarkably sporty performance characteristics and superior efficiency following an extensive upgrade of their respective four-cylinder petrol engines. The more powerful of the 2.0 litre pair generates maximum output of 190 kW/258 hp - an increase of 5 kW/6 hp on the engine it replaces - and delivers peak torque of 400 Nm (295 lb-ft) between 1,550 and 4,400 rpm. This enables the new BMW 430i Coupé to accelerate to 100 km/h (62 mph) from rest in 5.8 seconds. The engine's optimised efficiency levels result in combined fuel consumption and emissions figures of 6.1 - 5.7 litres per 100 kilometres (46.3 - 49.6 mpg imp) and 141 - 131 grams per kilometre.
The four-cylinder engine in the new BMW 420i Coupé is another shining example of efficiency and the free-revving performance associated with BMW power units. Its maximum output of 135 kW/184 hp and peak torque of 300 Nm (221 lb-ft) between 1,350 and 4,000 rpm translate into a 0 to 100 km/h (62 mph) time of 7.5 seconds. The new BMW 420i Coupé returns average fuel consumption figures of 5.8 - 5.3 litres per 100 kilometres (48.7 - 53.3 mpg imp) with CO2 emissions of 132 - 122 grams per kilometre.
New: two-stage turbocharging for all diesel engines
A two-stage turbocharging system now forms part of the BMW TwinPower Turbo technology integrated into all diesel engines for the new BMW 4-Series Coupé, the quick response of the smaller turbocharger ensuring superbly eager power delivery. The system of emission control for the diesel engines employs BMW BluePerformance technology, including an SCR catalyst with AdBlue injection for reducing nitrogen oxide emissions.
The 2.0-litre four-cylinder diesel unit in the BMW 420d Coupé and BMW 420d xDrive Coupé additionally uses an advanced version of the common-rail direct injection system. Its solenoid injectors now deliver fuel to the combustion chambers at increased maximum pressure of 2,500 bar, resulting in fine atomisation and a clean combustion process. The engine generates maximum output of 140 kW/190 hp and its peak torque of 400 Nm (295 lb-ft) is on tap from 1,750 to 2,500 rpm. The instant conveyance of power results in 0 to 100 km/h (62 mph) sprint times of 7.1 seconds (BMW 420d Coupé) and 7.4 seconds (BMW 420d xDrive Coupé). Efficiency has likewise improved, as illustrated by the combined fuel consumption and CO2 figures of 4.2 - 3.9 litres per 100 kilometres (67.3 - 72.4 mpg imp) and 112 - 103 grams per kilometre for the new BMW 420d Coupé, and 4.6 - 4.3 litres per 100 kilometres (61.4 - 65.7 mpg imp) and 121 - 112 grams per kilometre for the new BMW 420d xDrive Coupé.
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