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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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater convertible/cabriolet | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2855 | 112.4 | |
| Spoorbreedte voor | 1600 | 63 | |
| Spoorbreedte achter | 1657 | 65.2 | |
| Lengte | 4894 | 192.7 | |
| Breedte | 1894 | 74.6 | |
| Hoogte | 1365 | 53.7 | |
| Bodemvrijheid | 123 | 4.8 | |
| 1.71 | |||
| Gewicht | 1915 kg | 4222 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | 0.31 | ||
| Frontaal oppervlak | 2.23 m² | ||
| CdA | 0.69 | ||
| turbocharged petrol | |||
| Motor fabrikant | BMW | ||
| Motor nummer | |||
| Aantal cilinders | Straight 6 | ||
| Cilinderinhoud | 3 litre 2979 cc (181.79 cu in) |
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| Boring × Slag | 84 × 89.6 mm
3.31 × 3.53 in |
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| Boring/slag verhouding | 0.94 | ||
| Distributie | double overhead camshaft (DOHC)
4 Kleppen per cilinder 24 Totaal aantal kleppen |
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| Vermogen | 320 PS (316 bhp) (236 kW) bij 5800-6000 t/min |
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| Max. koppel | 450 Nm (332 ft·lb) (45.9 kgm) bij 1300-4500 t/min |
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| Specific output | 79.1 kW/litre 107.6 ps/litre 106.1 bhp/litre 1.74 bhp/cu in |
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151.06 Nm/litre
1.83 ft·lb/cu3 |
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| Motor constructie | |||
| Smering | Nat carter | ||
| Compressieverhouding | 10.2:1 | ||
| Brandstofsysteem | direct petrol injection | ||
| 1898.2 kPa (275.3 psi) | |||
| Maximum tpm | |||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 496.5 cc | ||
| Aanzuiging | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Katalysator | Y | ||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 5.7 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | 25.2 s | ||
| Max. snelheid | 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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| Verbruik | |||
| Benzineverbruik | 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 | ||
| CO2 Emissies | 181.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | I | ||
| CO2 Effizienz (DE) | C | ||
| Onderstel | |||
| Motor plaatsing | front | ||
| Motor plaatsing | longitudinal | ||
| Aandrijving | rear wheel drive | ||
| Koppelverdeling | N/A | ||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | |||
| Wielophanging voor | |||
| Wielophanging achter | |||
| Velgmaat voor | 8J x 17 | ||
| Velgmaat achter | 8J x 17 | ||
| Bandenmaat voor | 225/55 R 17 97Y | ||
| Bandenmaat agter | 225/55 R 17 97Y | ||
| Bremmen voor/agter | VeDi/VeDi-S-ABS | ||
| Rem diameter voor | 348 mm | ||
| Rem diameter agter | 345 mm | ||
| Braked area | |||
| Versnellingsbak | 8 speed automatic | ||
| Hoogste versnelling verhouding | 0.67 | ||
| Achteras verhouding | 3.23 | ||
| Algemeen | |||
| Carfolio.com ID | 221837 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| Model familie | 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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