The BMW 640i Cabrio is a rear wheel drive car, with the engine placed in the front, and a 2 door convertible/cabriolet body.
The 640i Cabrio forms part of BMW's F12 series.
Its 6 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a displacement of 3 litres. This unit develops power and torque figures of 316 bhp (320 PS/236 kW) at 5800-6000 rpm and 450 Nm (332 lbft/45.9 kgm) at 1300-4500 rpm respectively.
The engine powers the wheels via an 8 speed automatic transmission.
Stated weight at the kerb is 1915 kg.
Top claimed speed is 250 km/h (155 mph), quoted fuel consumption figures are 10.7/6.1/7.8 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 181.0 g/km.
Full specs
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| Karosserie | |||
|---|---|---|---|
| Karosserie | 2+2 seater convertible/cabriolet | ||
| Anzahl türen | 2 | ||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 2855 | 112.4 Zoll | |
| Spurweite vorn | 1600 | 63 Zoll | |
| Spurweite hinten | 1657 | 65.2 Zoll | |
| Länge | 4894 | 192.7 Zoll | |
| Breite | 1894 | 74.6 Zoll | |
| Höhe | 1365 | 53.7 Zoll | |
| Bodenfreiheit | 123 | 4.8 Zoll | |
| 1.71 | |||
| Leergewicht | 1915 kg | 4222 Pfund | |
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Aerodynamik | |||
| Luftwiderstandsbeiwert | 0.31 | ||
| Stirnfläche | 2.23 m² | ||
| CdA | 0.69 | ||
| Motorisierung | |||
| turbocharged petrol | |||
| Motor Hersteller | BMW | ||
| Motor-Typ | |||
| Anzahl zylinders | Straight 6 | ||
| Hubraum | 3 litre 2979 cc (181.79 cu in) |
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| Bohrung × Hub | 84 × 89.6 mm
3.31 × 3.53 in |
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| Bohrung/Hub Verhältnis | 0.94 | ||
| Verteilung | double overhead camshaft (DOHC)
4 Ventile pro Zylinder 24 Insgesamt Ventile |
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| Leistung | 320 PS (316 bhp) (236 kW) bei 5800-6000 U/min |
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| Max. Drehmoment | 450 Nm (332 ft·lb) (45.9 kgm) bei 1300-4500 U/min |
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| spezifisches Leistung | 79.1 kW/litre 107.6 ps/litre 106.1 bhp/litre 1.74 bhp/cu in |
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| Spezifisches Drehmoment |
151.06 Nm/litre
1.83 ft·lb/cu3 |
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| Engine construction | |||
| Schmierung | nassersumpf | ||
| Verdichtungsverhältnis | 10.2:1 | ||
| Vergasser/Einspritzung | direct petrol injection | ||
| effektiver Mitteldruck | 1898.2 kPa (275.3 psi) | ||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | |||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 496.5 cc | ||
| Aspiration | Turbo | ||
| Kompressor-typ | |||
| Ladeluftkühler | |||
| Katalysator | Y | ||
| Fahrleistungen | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 5.7 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | 25.2 s | ||
| Vmax/Höchstgeschwindigkeit | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 167.31 PS/tonne (1000 kg) 0.17 PS/kg 123.05 kW/tonne (1000 kg) 0.12 kW/kg 165.01 bhp/tonne (1000 kg) 0.17 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.13 kg/kW 13.57 lb/bhp |
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| Verbrauch | |||
| Verbrauch | 10.7/6.1/7.8 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 10.7/6.1/7.8 l/100km urban/extra-urban/combined | ||
| km/litre | 9.3/16.4/12.8 km/l urban/extra-urban/combined | ||
| UK MPG | 26.4/46.3/36.2 UK MPG urban/extra-urban/combined | ||
| US MPG | 22.0/38.6/30.2 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 181.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | I | ||
| CO2 Effizienz (DE) | C | ||
| Fahrgestell | |||
| Motor Platzierung | front | ||
| Engine layout | longitudinal | ||
| Antrieb | rear wheel drive | ||
| Drehmomentverteilung | N/A | ||
| Lenkungtyp | Zahnstangenlenkung mit Servounterstützung | ||
| Lenkradumdrehungen | |||
| Wendekruis | |||
| Radaufhängen vorn | |||
| Radaufhängen hintern | |||
| Rädergröße vorn | 8J x 17 | ||
| Rädergröße hintern | 8J x 17 | ||
| Reifen vorn | 225/55 R 17 97Y | ||
| Reifen hintern | 225/55 R 17 97Y | ||
| Bremsen vorn/hintern | VeDi/VeDi-S-ABS | ||
| Bremse Durchmesser vorn | 348 mm | ||
| Bremse Durchmesser hintern | 345 mm | ||
| Braked area | |||
| Getriebe | 8 gang Automatikgetriebe | ||
| Hinterachse | 0.67 | ||
| Hinterachse Übersetzungen | 3.23 | ||
| Allgemein | |||
| Carfolio.com ID | 221837 | ||
| Production total | |||
| Modellnummer | |||
| F12 | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 BMW 640i Cabrio added 2010-11-18. Last modified 2020-02-02. |
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