The BMW M Roadster is a 2 door convertible/cabriolet style car with a front located engine powering the rear wheels.
The BMW M Roadster belongs to the E36 model family from BMW.
It is powered by a naturally aspirated engine of 3.2 litre capacity. This unit features double overhead camshaft valve gear, 6 cylinder layout, and 4 valves per cylinder. It produces 317 bhp (321 PS/236 kW) of power at 7400 rpm, and maximum torque of 350 N·m (258 lb·ft/35.7 kgm) at 3250 rpm.
A 5 speed manual transmission delivers the power to the wheels.
Having a stated kerb weight of 1425 kg, the BMW M Roadster dispatches the 0-100 km/h yardstick in 5.4 seconds and the standing kilometre in 24.4 seconds.
It is said to be able to achieve a maxiumum speed of 250 km/h (155 mph), and carbon dioxide emissions are 268.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2459 mm | 96.8 inches | |
| Track/tread (front) | 1422 mm | 56 inches | |
| Track/tread (rear) | 1492 mm | 58.7 inches | |
| Length | 4025 mm | 158.5 inches | |
| Width | 1740 mm | 68.5 inches | |
| Height | 1266 mm | 49.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.64 | ||
| Kerb weight | 1425 kg | 3142 lb | |
| Weight distribution | |||
| fuel tank capacity | 51 litres | 11.2 [13.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.42 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | S50 B32 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3.2 litre 3201 cc (195.337 cu in) |
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| Bore × Stroke | 86.4 × 91 mm
3.4 × 3.58 in |
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| Bore/stroke ratio | 0.95 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 321 PS (317 bhp) (236 kW) at 7400 rpm |
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| maximum torque | 350 Nm (258 ft·lb) (35.7 kgm) at 3250 rpm |
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| Specific output | 73.8 kW/litre 100.4 ps/litre 99 bhp/litre 1.62 bhp/cu in |
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| Specific torque |
109.34 Nm/litre
1.32 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 11.3:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1374 kPa (199.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 533.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| 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 | 24.4 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 225.55 PS/tonne (1000 kg) 0.23 PS/kg 165.89 kW/tonne (1000 kg) 0.17 kW/kg 222.46 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.03 kg/kW 10.07 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 | 268.0 g/km NEDC | ||
| 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 | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7½J x 17 | ||
| Wheel size rear | 9J x 17 | ||
| Tyres front | 225/45 ZR 17 | ||
| Tyres rear | 245/40 ZR 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 315 mm | ||
| Rear brake diameter | 312 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.15 | ||
| general | |||
| Carfolio.com ID | 275143 | ||
| Production total | |||
| Model code | |||
| Model family | E36 | ||
| RAC rating | 27.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1999 BMW M Roadster added 2012-06-11. Last modified 2020-02-02. |
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