The BMW 640d Cabrio is a rear wheel drive road car, with the engine placed in the front, and a 2 door convertible/cabriolet bodyshell.
It forms part of BMW's F12 series of cars.
The power is produced by a turbocharged engine of 3 litre capacity. This powerplant features double overhead camshaft valve gear, 6 cylinder layout, and 4 valves per cylinder. It produces 308.5 bhp (313 PS/230 kW) of power at 4400 rpm, and maximum torque of 630 N·m (465 lb·ft/64.2 kgm) at 1500-2500 rpm.
The engine transfers its power through to the wheels via an 8 speed automatic 'box.
It weighs a stated 1935 kg at the kerb.
Its maximum speed claimed is 250 km/h, which is 155 mph, officially stated fuel consumption figures are 6.6/4.9/5.6 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 147.0 g/km.
Full specs
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| Carrocería | |||
|---|---|---|---|
| Carrocería | 2+2 seater convertible/cabriolet | ||
| Número de puertas | 2 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 2855 | 112.4 | |
| Vía delantera | 1600 | 63 | |
| Vía trasera | 1657 | 65.2 | |
| Longitud | 4894 | 192.7 | |
| Ancho | 1894 | 74.6 | |
| Altura | 1365 | 53.7 | |
| Despeje del suelo | 123 | 4.8 | |
| Relación Largo:Dist.entre ejes | 1.71 | ||
| Peso en vacío | 1935 kg | 4266 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | 0.31 | ||
| Superficie frontal | 2.23 m² | ||
| SCx | 0.69 | ||
| Tren motriz | |||
| turbocharged diesel | |||
| Fabricante del motor | BMW | ||
| Código de motor | |||
| Número de cilindros | Straight 6 | ||
| Cilindrada | 3 litre 2993 cc (182.644 cu in) |
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| Diámetro × Carrera | 84 × 90 mm
3.31 × 3.54 in |
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| Relación diámetro/carrera | 0.93 | ||
| Distribución | double overhead camshaft (DOHC)
4 válvulas por cilindro 24 Total de válvulas |
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| Potencia nominal | 313 PS (308.5 bhp) (230 kW) a 4400 rpm |
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| Par motor máximo | 630 Nm (465 ft·lb) (64.2 kgm) a 1500-2500 rpm |
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| Potencia específica | 76.9 kW/litre 104.5 ps/litre 103.1 bhp/litre 1.69 bhp/cu in |
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210.49 Nm/litre
2.54 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | Cárter húmedo | ||
| Relación de compresión | 16.5:1 | ||
| Alimentación | common rail direct diesel injection | ||
| 2645.1 kPa (383.6 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | |||
| Engine coolant | Water | ||
| 498.83 cc | |||
| Aspiración | Turbo D. | ||
| Compresor | |||
| intercooler | |||
| catalizador | Y | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 5.6 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | 25.1 s | ||
| Velocidad máxima | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 161.65 PS/tonne (1000 kg) 0.16 PS/kg 118.89 kW/tonne (1000 kg) 0.12 kW/kg 159.43 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.41 kg/kW 14.05 lb/bhp |
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| Consumos | |||
| Consumo de combustible | 6.6/4.9/5.6 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 6.6/4.9/5.6 l/100km urban/extra-urban/combined | ||
| km/litre | 15.2/20.4/17.9 km/l urban/extra-urban/combined | ||
| UK MPG | 42.8/57.6/50.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 35.6/48.0/42.0 US MPG urban/extra-urban/combined | ||
| Emisiones de CO2 | 147.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | F | ||
| CO2 Effizienz (DE) | A | ||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspensión delantera | |||
| Suspensión trasera | |||
| Ruedas delante | 8J x 17 | ||
| Ruedas detrás | 8J x 17 | ||
| Neumáticos delante | 225/55 R 17 97Y | ||
| Neumáticos detrás | 225/55 R 17 97Y | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 348 mm | ||
| Rear brake diameter | 345 mm | ||
| Braked area | |||
| Transmisión | 8 speed automatic | ||
| Eje trasero desmultiplicación | 0.67 | ||
| Desmultiplicación grupo cónico | 2.81 | ||
| General | |||
| Carfolio.com ID | 249975 | ||
| Unidades producidas | |||
| Model code | |||
| F12 | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2011 BMW 640d Cabrio added 2011-07-06. Last modified 2020-02-02. |
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