The 645Ci Cabrio is an automobile from BMW, with rear wheel drive, a front mounted engine and a 2 door convertible/cabriolet body style.
It forms part of BMW's E63 model range.
The 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 4.4 litres. It produces power and torque figures of 328 bhp (333 PS/245 kW) at 6100 rpm and 450 Nm (332 lbft/45.9 kgm) at 3600 rpm respectively.
The engine powers the wheels via a 6 speed automatic gearbox.
Stated kerb weight is 1895 kg.
The BMW 645Ci Cabrio is said to be able to manage a top speed of 250 km/h (155 mph), officially quoted fuel consumption figures are 16.8/8.5/11.5 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 279.0 g/km.
Full specs
|
|
|||
| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2780 | 109.4 | |
| Voies AV | 1558 | 61.3 | |
| Voies AR | 1592 | 62.7 | |
| Longueur | 4820 | 189.8 | |
| Largeur | 1855 | 73 | |
| Hauteur | 1373 | 54.1 | |
| Garde au sol | |||
| 1.73 | |||
| Poids avec pleins | 1895 kg | 4178 | |
| Répartition poids AV | |||
| Réservoir à essence | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.31 | ||
| maître-couple | 2.15 m² | ||
| SCx | 0.67 | ||
| naturally aspirated petrol | |||
| Constructeur du moteur | BMW | ||
| Type moteur | |||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 4.4 litre 4398 cc (268.382 cu in) |
||
| Alésage × Course | 92 × 82.7 mm
3.62 × 3.26 in |
||
| Rapport alésage / course | 1.11 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 32 Total vannes |
||
| Puissance maximale | 333 PS (328 bhp) (245 kW) à 6100 tr/mn |
||
| Couple maximale | 450 Nm (332 ft·lb) (45.9 kgm) à 3600 tr/mn |
||
| Specific output | 55.6 kW/litre 75.6 ps/litre 74.6 bhp/litre 1.22 bhp/cu in |
||
|
102.32 Nm/litre
1.24 ft·lb/cu3 |
|||
| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 10.5:1 | ||
| Carburant | EFi | ||
| bmep (brake mean effective pressure) | 1285.8 kPa (186.5 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 549.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 6.2 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 175.49 PS/tonne (1000 kg) 0.18 PS/kg 129.07 kW/tonne (1000 kg) 0.13 kW/kg 173.09 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb |
||
| Weight-to-power ratio | Lower is better 7.75 kg/kW 12.94 lb/bhp |
||
| Consommation | |||
| Consommation | 16.8/8.5/11.5 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 16.8/8.5/11.5 l/100km urban/extra-urban/combined | ||
| km/litre | 6.0/11.8/8.7 km/l urban/extra-urban/combined | ||
| UK MPG | 16.8/33.2/24.6 UK MPG urban/extra-urban/combined | ||
| US MPG | 14.0/27.7/20.5 US MPG urban/extra-urban/combined | ||
| Emissions de CO₂ | 279.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| 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 96W RSC | ||
| Pneumatiques AR | 245/45 R 18 96W RSC | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 348 mm | ||
| Diamètre des freins AR | 345 mm | ||
| Braked area | |||
| Transmission | 6 speed automatic | ||
| Rapport de démultiplication supérieure | 0.69 | ||
| Rapport de pont | 3.46 | ||
| Généralités | |||
| Carfolio.com ID | 119207 | ||
| Production total | |||
| Type mines | |||
| E63 | |||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
2003 BMW 645Ci Cabrio Automatic added 2004-04-30. Last modified 2013-02-28. |
|||
