This vehicle has a 2 door convertible/cabriolet type body with a front positioned engine powering the rear wheels.
It is part of BMW's F12 series.
The 6 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a displacement of 3 litres. In this application it provides power and torque figures of 315 bhp (319 PS/235 kW) at 5800-6000 rpm and 450 Nm (332 lbft/45.9 kgm) at 1300-4500 rpm respectively.
The engine drives the wheels through an 8 speed automatic set of gears.
Claimed weight at the kerb is 1928 kg.
Maximum quoted speed is 209 km/h, or 130 mph, manufacturer claimed fuel consumption is 20/29/23 US MPG EPA city/highway/combined.
Full specs
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Applicable to the USA domestic market(s). | ||
| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater convertible/cabriolet | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2855 | 112.4 | |
| Spoorbreedte voor | 1600 | 63 | |
| Spoorbreedte achter | 1666 | 65.6 | |
| Lengte | 4897 | 192.8 | |
| Breedte | 1895 | 74.6 | |
| Hoogte | 1364 | 53.7 | |
| Bodemvrijheid | 122 | 4.8 | |
| 1.72 | |||
| Gewicht | 1928 kg | 4251 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 70.1 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 | N55B30O0 | ||
| 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 | 319 PS (315 bhp) (235 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 | 78.9 kW/litre 107.2 ps/litre 105.7 bhp/litre 1.73 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 | 5.4 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Max. snelheid | 209 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 165.65 PS/tonne (1000 kg) 0.17 PS/kg 121.83 kW/tonne (1000 kg) 0.12 kW/kg 163.38 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.21 kg/kW 13.71 lb/bhp |
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| Verbruik | |||
| Benzineverbruik | 20/29/23 US MPG EPA city/highway/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 11.8/8.1/10.2 l/100km city/highway/combined | ||
| km/litre | 8.5/12.3/9.8 km/l city/highway/combined | ||
| UK MPG | 24.0/34.8/27.6 UK MPG city/highway/combined | ||
| US MPG | 20.0/29.0/23.0 US MPG city/highway/combined | ||
| CO2 Emissies | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| 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 18 | ||
| Velgmaat achter | 8J x 18 | ||
| Bandenmaat voor | 245/45 R 18 100V XL | ||
| Bandenmaat agter | 245/45 R 18 100V XL | ||
| Bremmen voor/agter | VeDi/VeDi-S-ABS | ||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 8 speed automatic | ||
| Hoogste versnelling verhouding | 0.67 | ||
| Achteras verhouding | 3.23 | ||
| Algemeen | |||
| Carfolio.com ID | 509806 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| Model familie | F12 | ||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2017 BMW 640i Convertible added 2017-01-26. Last modified 2020-03-16. |
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