The 730i is a rear wheel drive saloon (sedan) automobile with a front positioned engine, manufactured by BMW.
It forms part of BMW's E32 family of cars.
Its 3 litre engine is a naturally aspirated, single overhead camshaft, 6 cylinder that develops 185 bhp (188 PS/138 kW) of power at 5800 rpm, and maximum torque of 260 N·m (192 lb·ft/26.5 kgm) at 4000 rpm.
This power is supplied to the wheels through a 4 speed automatic gearbox.
With a claimed weight at the kerb of 1620 kg, the BMW 730i dispatches the 0-100 km/h sprint in 10.6 seconds and the kilometre from rest in 31.9 seconds.
The BMW 730i is said to be able to achieve a top speed of 222 km/h, or 138 mph, official fuel consumption is 7.9/9.8/17.3 l/100km 90km/h / 120km/h / urban.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2832 mm | 111.5 inches | |
| Track/tread (front) | 1527 mm | 60.1 inches | |
| Track/tread (rear) | 1550 mm | 61 inches | |
| Length | 4910 mm | 193.3 inches | |
| Width | 1845 mm | 72.6 inches | |
| Height | 1411 mm | 55.6 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.73 | ||
| Kerb weight | 1620 kg | 3571 lb | |
| Weight distribution | |||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2986 cc (182.217 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 | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
188 PS (185 bhp) (138 kW) at 5800 rpm |
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| maximum torque (DIN) |
260 Nm (192 ft·lb) (26.5 kgm) at 4000 rpm |
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| Specific output (DIN) |
46.2 kW/litre 62.8 ps/litre 62 bhp/litre 1.02 bhp/cu in |
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| Specific torque (DIN) |
87.07 Nm/litre
1.05 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | Bo Motronic fuel inj. | ||
| bmep (brake mean effective pressure) | 1094.2 kPa (158.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 497.67 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 10.6 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 31.9 s | ||
| Maximum speed | 222 km/h (138 mph) | ||
| Power-to-weight ratio | Higher is better 115.78 PS/tonne (1000 kg) 0.12 PS/kg 85.16 kW/tonne (1000 kg) 0.09 kW/kg 114.2 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.74 kg/kW 19.62 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 7.9/9.8/17.3 l/100km 90km/h / 120km/h / urban | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 7.9/9.8/17.3 l/100km 90kmph/120kmph/urban | ||
| km/litre | 12.7/10.2/5.8 km/l 90kmph/120kmph/urban | ||
| UK MPG | 35.8/28.8/16.3 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 29.8/24.0/13.6 US MPG 90kmph/120kmph/urban | ||
| 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 | 11.60 m | ||
| Front suspension | I.CS.ARB. | ||
| Rear suspension | I.TrLi.CS.ARB. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 205/65 VR 15 | ||
| Tyres rear | 205/65 VR 15 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.73 | ||
| Final drive ratio | 4.10 | ||
| general | |||
| Carfolio.com ID | 109362 | ||
| Production total | |||
| Model code | |||
| Model family | E32 | ||
| RAC rating | 29.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1990 BMW 730i Automatic added 2003-03-27. Last modified 2013-02-28. |
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