This automobile has a 2 door convertible/cabriolet type body with a front positioned engine supplying power to the rear wheels.
The BMW 640i Convertible belongs to the F12 model family from BMW.
The 6 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a capacity of 3 litres. For this model it develops power and torque figures of 315 bhp (319 PS/235 kW) at 5800-6000 rpm and 448 Nm (330 lbft/45.7 kgm) at 1400-4500 rpm respectively.
The engine transmits power to the wheels via an 8 speed automatic gearbox.
With a claimed kerb weight of 1930 kg, the BMW 640i Convertible manages to cover the 0-100 km/h benchmark in 5.7 seconds and the kilometre from standstill in 25.4 seconds.
Top claimed speed is 209 km/h (130 mph), officially stated fuel consumption is 20/31/24 US MPG EPA city/highway/combined.
Full specs
|
|
Applicable to the USA domestic market(s). | ||
| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2855 | 112.4 | |
| Voies AV | 1600 | 63 | |
| Voies AR | 1665 | 65.6 | |
| Longueur | 4896 | 192.8 | |
| Largeur | 1894 | 74.6 | |
| Hauteur | 1365 | 53.7 | |
| Garde au sol | 123 | 4.8 | |
| 1.71 | |||
| Poids avec pleins | 1930 kg | 4255 | |
| Répartition poids AV | 50.8% front | ||
| Réservoir à essence | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.32 | ||
| maître-couple | 2.23 m² | ||
| SCx | 0.71 | ||
| turbocharged petrol | |||
| Constructeur du moteur | BMW | ||
| Type moteur | N55B30O0 | ||
| Cylinders | Straight 6 | ||
| Cylindrée | 3 litre 2979 cc (181.79 cu in) |
||
| Alésage × Course | 84 × 89.6 mm
3.31 × 3.53 in |
||
| Rapport alésage / course | 0.94 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 24 Total vannes |
||
| Puissance maximale | 319 PS (315 bhp) (235 kW) à 5800-6000 tr/mn |
||
| Couple maximale | 448 Nm (330 ft·lb) (45.7 kgm) à 1400-4500 tr/mn |
||
| Specific output | 78.9 kW/litre 107.2 ps/litre 105.7 bhp/litre 1.73 bhp/cu in |
||
|
150.39 Nm/litre
1.82 ft·lb/cu3 |
|||
| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 10.2:1 | ||
| Carburant | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1889.8 kPa (274.1 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 496.5 cc | ||
| Aspiration | Turbo | ||
| Compressor | BMW TwinPower TwinScroll turbocharger | ||
| Intercooler | |||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | 5.4 s | ||
| 0-100km/h | 5.7 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | 25.4 s | ||
| Vitesse | 209 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 165.48 PS/tonne (1000 kg) 0.17 PS/kg 121.71 kW/tonne (1000 kg) 0.12 kW/kg 163.21 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
||
| Weight-to-power ratio | Lower is better 8.22 kg/kW 13.72 lb/bhp |
||
| Consommation | |||
| Consommation | 20/31/24 US MPG EPA city/highway/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 11.8/7.6/9.8 l/100km city/highway/combined | ||
| km/litre | 8.5/13.2/10.2 km/l city/highway/combined | ||
| UK MPG | 24.0/37.2/28.8 UK MPG city/highway/combined | ||
| US MPG | 20.0/31.0/24.0 US MPG city/highway/combined | ||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8J x 18 | ||
| Roues AR | 8J x 18 | ||
| Pneumatiques AV | 245/45 R 18 100V | ||
| Pneumatiques AR | 245/45 R 18 100V | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 348 mm | ||
| Diamètre des freins AR | 345 mm | ||
| Braked area | |||
| Transmission | 8 speed automatic | ||
| Rapport de démultiplication supérieure | 0.67 | ||
| Rapport de pont | 3.23 | ||
| Généralités | |||
| Carfolio.com ID | 491722 | ||
| Production total | |||
| Type mines | |||
| F12 | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
2015 BMW 640i Convertible added 2016-06-25. Last modified 2020-03-16. |
|||
