The BMW 3-Series range continues to grow with the arrival of the new diesel-powered M340d xDrive Sedan and M340d xDrive Touring revealed prior to the Geneva Motor Show.
Powering the duo is a 3.0-liter inline-six TwinPower Turbo diesel engine that offers up 335 hp (340 PS) and 516 lb-ft (700 Nm) of torque. This engine features an aluminum crankcase and cylinder head and is said to provide excellent throttle response thanks to the two-stage turbocharging system with optimized thermodynamics and direct charge air cooling. The straight-six has also been designed to provide peak torque very low down, from just 1,750 rpm to be exact.
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Complementing the diesel engine is a 48-volt starter-generator that adds 11 hp. This mild-hybrid system can also recuperate energy under braking that is then stored in the 48V battery. When it’s all said and done, the M340d xDrive Sedan will hit 62 mph (100 km/h) in 4.6 seconds while the M340d xDrive Touring requires 4.8 seconds to hit the same mark.
According to BMW, the sedan consumes an average between 5.3 – 5.7 l/100 km (equal to 41.3 – 44.4 mpg US / 49.6 – 53.3 mpg UK) with CO2 emissions between 149 – 139 g/km, while the Touring 5.4-5.8 l/100km (40.6 – 43.6 mpg US / 48.7 – 52.3 mpg UK) with 143-153 g/km of CO2.
Both models come standard with an M Sport exhaust system that helps the two models be fully compliant with the Euro 6d emissions standard.
Coupled to the engine is an eight-speed Steptronic Sport transmission and an intelligent all-wheel drive system. The two models also feature a standard M Sport differential at the rear axle to help improve traction, particularly when cornering. Also featured as standard is M Sport suspension with Adaptive M suspension with electronically controlled dampers an available option. Braking comes in the form of four-piston front calipers with 348 mm discs while at the back there are single-piston calipers with 345 mm discs.
Visually, the M340d xDrive Sedan and M340d xDrive Touring include distinctive front and rear aprons with the sedan including a body-colored rear lip spoiler. Found in the cabin are sports seats, an M leather steering wheel with multifunctional buttons and shift paddles, M-specific floor mats and interior trim finished in ‘Aluminum Tetragon’.
Pricing and availability details have yet to be announced.
