The 640i Gran Coupé is a rear wheel drive saloon (sedan) passenger car with a front positioned engine, produced by BMW.
It forms part of BMW's F06 range of cars.
Its engine is a turbocharged petrol, 3 litre, double overhead camshaft 6 cylinder with 4 valves per cylinder. This powerplant has an output of 315.5 bhp (320 PS/235 kW) of power at 5800-6000 rpm, and maximum torque of 450 N·m (332 lb·ft/45.9 kgm) at 1300-4500 rpm.
The engine supplies its power through to the wheels by means of an 8 speed automatic transmission.
Its claimed kerb weight is 1825 kg.
Maximum claimed speed is 250 km/h (155 mph), officially quoted fuel consumption figures are 10.5/6.0/7.7 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 179.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2968 mm | 116.9 inches | |
| Track/tread (front) | 1600 mm | 63 inches | |
| Track/tread (rear) | 1665 mm | 65.6 inches | |
| Length | 5007 mm | 197.1 inches | |
| Width | 1894 mm | 74.6 inches | |
| Height | 1392 mm | 54.8 inches | |
| Ground clearance | 126 mm | 5 inches | |
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 1825 kg | 4023 lb | |
| Weight distribution | |||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.29 | ||
| Frontal area | 2.24 m² | ||
| CdA | 0.65 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | N55B30O0 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2979 cc (181.79 cu in) |
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| Bore × Stroke | 84 × 89.6 mm
3.31 × 3.53 in |
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| Bore/stroke ratio | 0.94 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 320 PS (315.5 bhp) (235 kW) at 5800-6000 rpm |
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| maximum torque | 450 Nm (332 ft·lb) (45.9 kgm) at 1300-4500 rpm |
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| Specific output | 79 kW/litre 107.4 ps/litre 105.9 bhp/litre 1.74 bhp/cu in |
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| Specific torque |
151.06 Nm/litre
1.83 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.2:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1898.2 kPa (275.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 496.5 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 5.4 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 25 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 175.28 PS/tonne (1000 kg) 0.18 PS/kg 128.91 kW/tonne (1000 kg) 0.13 kW/kg 172.88 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.76 kg/kW 12.96 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 10.5/6.0/7.7 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 10.5/6.0/7.7 l/100km urban/extra-urban/combined | ||
| km/litre | 9.5/16.7/13.0 km/l urban/extra-urban/combined | ||
| UK MPG | 26.9/47.1/36.7 UK MPG urban/extra-urban/combined | ||
| US MPG | 22.4/39.2/30.5 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 179.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | I | ||
| CO2 Effizienz (DE) | C | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8J x 17 | ||
| Wheel size rear | 8J x 17 | ||
| Tyres front | 225/55 R 17 97Y | ||
| Tyres rear | 225/55 R 17 97Y | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 348 mm | ||
| Rear brake diameter | 345 mm | ||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 258170 | ||
| Production total | |||
| Model code | |||
| Model family | F06 | ||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2011 BMW 640i Gran Coupé added 2011-12-14. Last modified 2020-02-02. |
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