The BMW 840 Ci is a 2 door coupé-bodied road car with a front mounted engine powering the rear wheels.
The BMW 840 Ci belongs to the E31 range of cars from BMW.
Power is supplied by a double overhead camshaft, 4 litre naturally aspirated 8 cylinder motor, with 4 valves per cylinder that develops power and torque figures of 282 bhp (286 PS/210 kW) at 5800 rpm and 400 N·m (295 lb·ft/40.8 kgm) at 4500 rpm respectively.
The engine transfers its power through to the wheels via a 5 speed automatic transmission.
Having a stated kerb weight of 1905 kg, the BMW 840 Ci covers the 0-100 km/h sprint in 7.4 seconds and the standing kilometre in 27.4 seconds.
The BMW 840 Ci is claimed to attain a top speed of 250 km/h or 155 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2685 mm | 105.7 inches | |
| Track/tread (front) | 1554 mm | 61.2 inches | |
| Track/tread (rear) | 1562 mm | 61.5 inches | |
| Length | 4780 mm | 188.2 inches | |
| Width | 1854 mm | 73 inches | |
| Height | 1341 mm | 52.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1905 kg | 4200 lb | |
| Weight distribution | |||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.29 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | V 8 | ||
| Capacity | 4 litre 3982 cc (242.997 cu in) |
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| Bore × Stroke | 89 × 80 mm
3.5 × 3.15 in |
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| Bore/stroke ratio | 1.11 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output (DIN) |
286 PS (282 bhp) (210 kW) at 5800 rpm |
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| maximum torque (DIN) |
400 Nm (295 ft·lb) (40.8 kgm) at 4500 rpm |
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| Specific output (DIN) |
52.8 kW/litre 71.8 ps/litre 70.8 bhp/litre 1.16 bhp/cu in |
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| Specific torque (DIN) |
100.45 Nm/litre
1.21 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | Bosch DME 3.3 fuel inj. | ||
| bmep (brake mean effective pressure) | 1262.3 kPa (183.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 497.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 7.4 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 27.4 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 150.09 PS/tonne (1000 kg) 0.15 PS/kg 110.39 kW/tonne (1000 kg) 0.11 kW/kg 148.03 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.06 kg/kW 15.13 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.MultiLi.CS.ARB. | ||
| Wheel size front | 7½J x 16 | ||
| Wheel size rear | 7½J x 16 | ||
| Tyres front | 235/50 R 16 95W | ||
| Tyres rear | 235/50 R 16 95W | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed automatic | ||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 2.93 | ||
| general | |||
| Carfolio.com ID | 186439 | ||
| Production total | |||
| Model code | |||
| Model family | E31 | ||
| RAC rating | 39.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1993 BMW 840 Ci Automatic added 2008-08-22. Last modified 2013-02-28. |
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