World’s most powerful production six-cylinder diesel introduced to BMW 6 Series
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New BMW 635d
Image Gallery ( 19 images )The top of the range 650i models are powered by a 4,799cc V8 engine providing an output of 367hp. The 650i with its aluminium engine and double-VANOS and VALVETRONIC variable valve technology is capable of a zero to 62mph time of 5.1 seconds in the Coupé and 5.5 seconds in the Convertible.
EfficientDynamics technology assists both 650i models in achieving improved economy and emissions figures. For the 650i Coupé consumption on the combined cycle improves by 2 per cent to 24.1mpg, while emissions drop by 2 per cent to 279g/km. The 650i Convertible also achieves better performance recording 22.4mpg, up 7 per cent. CO2 emissions are cut from 310g/km to 299g/km.
The 630i and 650i comes as standard with a six-speed manual gearbox, while the 635d is offered with a new six-speed sports automatic transmission. This gearbox features a new torque converter with enhanced software and a two-stage damper to reduce vibrations. The enhanced transmission specification means power-wasting slip in the converter is largely eliminated and with the improved software results in gearshift times that are smoother and 50 per cent quicker.
Design
Along with revised exterior features such as the new headlight arrangement, the kidney grille is larger compared to the outgoing model and lower reflectors have been optically enhanced at the rear as part of a redesigned bumper and a third high level brake light now sits on the boot lid lip for improved safety. The introduction of new alloy wheel design in 17-, 18- and 19-inch sizes completes the exterior changes.
6 Series Convertible models also offer SunReflective Technology leather which has embedded pigments that reflect infra-red radiation in the sunlight and can reduce leather temperature by up to 20 degrees centigrade.
The revised 6 Series also features an infotainment system that includes eight ‘Favourite’ buttons. BMWs have featured popular programmable buttons on the steering wheel for a number of years and the 6 Series comes with a small bank of programmable buttons for added convenience on the centre console. These can be customised and used as shortcuts to the most frequently visited parts of the iDrive system such as navigation destinations or radio stations.
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