Full specs1977 BMW 728i 2.5 specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | Paul Bracq | ||
| dimensions & weights | |||
| Wheelbase | 2795 mm | 110 inches | |
| Track/tread (front) | 1510 mm | 59.4 inches | |
| Track/tread (rear) | 1520 mm | 59.8 inches | |
| Length | 4860 mm | 191.3 inches | |
| Width | 1800 mm | 70.9 inches | |
| Height | 1430 mm | 56.3 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.74 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 85 litres | 18.7 [22.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.5 litre 2495 cc (152.254 cu in) |
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| Bore × Stroke | 86 × 71.6 mm
3.39 × 2.82 in |
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| Bore/stroke ratio | 1.2 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
150 PS (148 bhp) (110 kW) at 6000 rpm |
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| maximum torque (DIN) |
211 Nm (156 ft·lb) (21.5 kgm) at 3700 rpm |
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| Specific output (DIN) |
44.2 kW/litre 60.1 ps/litre 59.3 bhp/litre 0.97 bhp/cu in |
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| Specific torque (DIN) |
84.57 Nm/litre
1.02 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | |||
| bmep (brake mean effective pressure) | 1062.7 kPa (154.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 415.83 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| 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 | |||
| Rear suspension | |||
| Wheel size front | 6J x 14 | ||
| Wheel size rear | 6J x 14 | ||
| Tyres front | 195/70 HR 14 | ||
| Tyres rear | 195/70 HR 14 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 280 mm | ||
| Rear brake diameter | 280 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.81 | ||
| Final drive ratio | 3.64 | ||
| general | |||
| Carfolio.com ID | 599544 | ||
| Production total | |||
| Model code | |||
| Model family | E23 | ||
| RAC rating | 27.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 BMW 728i 2.5 added 2019-08-09. Last modified 2020-03-16. |
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BMW 7 Series - E23 models
4 door sedan/saloon FR 3A 3210 cm3/195.9cuin 180 PS 178 bhp 132 kW 1520 kg
4 door sedan/saloon FR 5M 3430 cm3/209.3cuin 218 PS 215 bhp 160 kW 1500 kg
4 door sedan/saloon FR 4A 3430 cm3/209.3cuin 252 PS 249 bhp 185 kW 1590 kg
4 door sedan/saloon FR 3A 3210 cm3/195.9cuin 175 PS 173 bhp 129 kW 1610 kg
4 door sedan/saloon FR 5M 2788 cm3/170.1cuin 184 PS 181 bhp 135 kW 1470 kg
4 door sedan/saloon FR 4M 2788 cm3/170.1cuin 184 PS 181 bhp 135 kW 1490 kg
4 door sedan/saloon FR 3A 2788 cm3/170.1cuin 184 PS 181 bhp 135 kW 1505 kg
4 door sedan/saloon FR 5M 3210 cm3/195.9cuin 200 PS 197 bhp 147 kW 1500 kg
4 door sedan/saloon FR 5M 3453 cm3/210.7cuin 218 PS 215 bhp 160 kW 1530 kg
4 door sedan/saloon FR 3A 3210 cm3/195.9cuin 252 PS 249 bhp 185 kW 1600 kg
4 door sedan/saloon FR 3A 2788 cm3/170.1cuin 170 PS 168 bhp 125 kW 1550 kg
4 door sedan/saloon FR 4M 2986 cm3/182.2cuin 184 PS 181 bhp 135 kW 1580 kg
4 door sedan/saloon FR 3A 2986 cm3/182.2cuin 184 PS 181 bhp 135 kW 1600 kg
4 door sedan/saloon FR 3A 3210 cm3/195.9cuin 200 PS 197 bhp 147 kW 1620 kg
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