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645 Ci
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  BMW 645 Ci      

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Country of origin:Germany
Produced from:2003 - 2005
Introduced at:2003 Frankfurt Motor Show
Source:Company press release
Last updated:Before December 1st, 2004
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Click here to download printer friendly versionDebuting alongside the X3 at the 2003 Frankfurt Motor Show, the BMW 645Ci Coupe promises power and performance within a breathtaking, contemporary design. This is the first BMW Coupe to wear the legendary 6 Series badge since 1989. And though it carries the heritage of its predecessor, the new model moves the BMW 6 Series on a generation.

Employing modern BMW design language, the new 6 Series is a luxury Coupe for the 21st century, exuding road presence and dynamism typical of a BMW Coupe. Fluent exterior lines are reflected in a sporty interior. Core driving functions are located on or around the steering wheel while the iDrive controller, which accesses most of the vehicle's secondary and comfort functions, is within easy and convenient reach of driver and front seat passenger. Owners can also specify a panorama roof option which is larger than a normal electric sunroof, adding light and clarity to its luxurious interior.

Complementing the powerful engine is a choice of three different six-speed gearboxes, which transmit power to the rear wheels in traditional BMW style. As well as a manual six-speed transmission, the new BMW 645Ci comes with an optional six-speed automatic with Steptronic. For those with a taste for Formula 1 shifting, there is also a Sequential Manual Gearbox (SMG) with steering wheel paddles and gearshift lever.

Driving Dynamics Control (DDC) is similar to the sport function on BMW M3 and M5 models. Operated by a 'Sport' button on the centre console, DDC sharpens up throttle reaction for more responsive acceleration, as well as producing a more direct feel from the speed-related, power-assisted steering. When fitted with SMG or the Steptronic automatic, DDC also shifts gears at higher revs, changing ratios in a lightning 150 milliseconds.

Accomplished handling comes courtesy of trademark 50:50 weight distribution and all-aluminium chassis and suspension. In addition, key BMW driver aids Dynamic Stability Control (DSC) and Dynamic Traction Control (DTC) provide a standard 'safety net' to keep the car going in the intended direction.

Dynamic Drive and Active Steering can be specified as 6 Series options, further enhancing the driving experience. Virtually eliminating body roll in bends, Dynamic Drive features step motors which build up counter forces on the car's anti-roll bars, improving ride comfort while cornering.

Active Steering uses a step motor to vary steering ratio according to speed. At low speeds agility is enhanced, with less steering wheel input required for a sharper turning angle. This makes the vehicle easier to manoeuvre in situations where drivers most need assistance, such as town driving or parking in tight spaces. As speed increases the steering becomes progressively more indirect and firm, enhancing stability and comfort, and ensuring smooth and precise handling.

Punctures used to leave drivers stranded by the roadside, waiting for help or facing the prospect of a wheel change. However, with run-flat tyres as standard, 6 Series drivers can continue to drive for up to 90 miles at 50 mph, reaching a safe destination or garage with minimum inconvenience.

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  Article Image gallery (6) Specifications User Comments (31)