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BMW E64 6 Series Cabrio 645Ci
BMW E64 6 Series Cabrio 645Ci (2004)
BMW F12 6 Series Cabrio 640i
BMW F12 6 Series Cabrio 640i (2011)
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Engine Technical Data
Engine type - Number of cylinders
V 8
Inline 6
Fuel type
Petrol
Petrol
Fuel System
MPI
Direct Injection.
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
4398 cm3 / 268.4 cu-in
2979 cm3 / 181.8 cu-in
Bore
92.0 mm
3.62 inches
84.0 mm
3.31 inches
Stroke
82.7 mm
3.26 inches
89.6 mm
3.53 inches
Number of valves
32
24
Aspiration
N/A
Turbo + Intercooler
Compression Ratio
10.0
10
Horsepower
333 PS / 328 HP / 245 kW @ 6100 rpm
320 PS / 316 HP / 235 kW @ 5800-6000 rpm
Maximum torque
450 Nm / 331 lb-ft @ 3600 rpm
450 Nm / 331 lb-ft @ 1300-4500 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
6
8
Clutch Type
Manual
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Num. of Doors
2
2
Num. of Seats
4
4
Seat distribution
2+2
Wheelbase
278.0 cm / 109.45 inches
285.5 cm / 112.4 inches
Length
482.0 cm / 189.76 inches
489.4 cm / 192.68 inches
Width
186.0 cm / 73.23 inches
189.4 cm / 74.57 inches
Height
137.0 cm / 53.94 inches
136.5 cm / 53.74 inches
Front Axle
160.0 cm / 62.99 inches
Rear Axle
165.7 cm / 65.24 inches
Aerodynamic drag coefficient - Cx
0.31
Front Brakes - Disc dimensions
Vented Discs (348 mm / 13.7 inches)
Vented Discs (348 mm / 13.7 inches)
Rear Brakes - Disc dimensions
Vented Discs (345 mm / 13.58 inches)
Vented Discs (345 mm / 13.58 inches)
Front Tyres - Rims dimensions
245/45 R18
225/55 R17
Rear Tyres - Rims dimensions
245/45 R18
225/55 R17
Front Wheels Width
8,0
Rear Wheels Width
8,0
Curb Weight
1790 kg / 3946 lbs
1915 kg / 4222 lbs
Weight/Power Output Ratio
5.38 Kg/hp
5.98 Kg/hp
Trunk / Boot capacity
300-350 L / - cu-ft
350 L / 12.4 cu-ft
Steering
Rack and pinion Electric
Front Suspension
Independent. Double wishbone. coil springs
Coil springs.
Rear Suspension
Independent. Double wishbone
Coil springs.
Top Speed
250 km/h / 155 Mph
250 km/h / 155 Mph
Acceleration 0 to 100 km/h (0 to 62 mph)
6.1 s
5.7 s
Acceleration 0 to 1000m
25.2 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
18.5 L/100 km
15 MPG UK
13 MPG US
10.7 L/100 km
26 MPG UK
22 MPG US
Fuel Consumption - Economy - Open road NEDC
9.6 L/100 km
29 MPG UK
25 MPG US
6.1 L/100 km
46 MPG UK
39 MPG US
Fuel Consumption - Economy - Combined NEDC
12.8 L/100 km
22 MPG UK
18 MPG US
7.8 L/100 km
36 MPG UK
30 MPG US
Fuel Tank Capacity
70 L
18.5 US gallons
15.4 UK gallons
70 L
18.5 US gallons
15.4 UK gallons
CO2 emissions
310 g/Km (BMW)
181 g/Km (BMW)
Emission standard
Euro V



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