2012 BMW 640d Engine
The world’s sportiest diesel engine is a 3.0-litre twin-turbocharged in-line six-cylinder unit producing 313hp at 4,400rpm and 630Nm of torque from only 1,500rpm with the help of variable geometry turbocharging. The BMW 640d Coupe is capable of accelerating from zero to 62mph in 5.5seconds before topping out at an electronicallylimited top speed of 155mph.
The launch of the BMW 640d Coupé and BMW 640d Convertible sees BMW setting another new benchmark in the premium environs of the exclusive luxury 2+2-seater segment when it comes to efficient driving pleasure. Their predecessors successfully established diesel technology in this class of car. And now the engine that achieved such acceptance has passed on the title of the world's sportiest six-cylinder diesel to its even more powerful and economical successor. The BMW TwinPower Turbo technology of the new six-cylinder in-line powerplant comprises sequential turbocharging (Variable Twin Turbo) and common-rail direct injection with solenoid valve injectors
Fuel saving technology called ECO PRO mode is offered on the 6-Series. By a touch of the Drive Dynamic Control button ECO PRO mode tweaks the engine management system, accelerator mapping and gear-shift characteristics to favour a relaxed, lowrevving driving style. At the same time, power usage for electronically operated functions such as climate control is regulated to ensure maximum efficiency. A display on the instrument cluster keeps the driver informed of the levels of energy efficiency being achieved to encourage an economical driving style.
bmw 6 series coupe (2012-2013) test drive
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