The BMW M3 Convertible is a 2 door convertible/cabriolet style automobile with a front mounted engine driving through the rear wheels.
The M3 Convertible forms part of BMW's E93 series.
Its engine is a naturally aspirated petrol, 4 litre, double overhead camshaft 90 degree V 8 cylinder with 4 valves per cylinder. It has an output of 414 bhp (420 PS/309 kW) of power at 8300 rpm, and maximum torque of 400 N·m (295 lb·ft/40.8 kgm) at 3900 rpm.
The engine powers the wheels compliments of a 7 speed automatic transmission.
The BMW M3 Convertible weighs a quoted 1905 kg at the kerb.
It is said to be able to manage a maxiumum speed of 250 km/h (155 mph), official fuel consumption is 16.0/8.9/11.5 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 269.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2761 mm | 108.7 inches | |
| Track/tread (front) | 1538 mm | 60.6 inches | |
| Track/tread (rear) | 1539 mm | 60.6 inches | |
| Length | 4615 mm | 181.7 inches | |
| Width | 1804 mm | 71 inches | |
| Height | 1392 mm | 54.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 1905 kg | 4200 lb | |
| Weight distribution | |||
| fuel tank capacity | 63 litres | 13.9 [16.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.31 | ||
| Frontal area | 2.17 m² | ||
| CdA | 0.67 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | S65B40 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4 litre 3999 cc (244.034 cu in) |
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| Bore × Stroke | 92 × 75.2 mm
3.62 × 2.96 in |
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| Bore/stroke ratio | 1.22 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 420 PS (414 bhp) (309 kW) at 8300 rpm |
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| maximum torque | 400 Nm (295 ft·lb) (40.8 kgm) at 3900 rpm |
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| Specific output | 77.2 kW/litre 105 ps/litre 103.5 bhp/litre 1.7 bhp/cu in |
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| Specific torque |
100.03 Nm/litre
1.21 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 12:1 | ||
| Fuel system | |||
| bmep (brake mean effective pressure) | 1257 kPa (182.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 499.88 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 5.1 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 23.8 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 220.34 PS/tonne (1000 kg) 0.22 PS/kg 162.06 kW/tonne (1000 kg) 0.16 kW/kg 217.32 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.17 kg/kW 10.31 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 16.0/8.9/11.5 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 16.0/8.9/11.5 l/100km urban/extra-urban/combined | ||
| km/litre | 6.2/11.2/8.7 km/l urban/extra-urban/combined | ||
| UK MPG | 17.7/31.7/24.6 UK MPG urban/extra-urban/combined | ||
| US MPG | 14.7/26.4/20.5 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 269.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| 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 | 8½J x 18 | ||
| Wheel size rear | 9½J x 18 | ||
| Tyres front | 245/40 ZR 18 | ||
| Tyres rear | 265/40 ZR 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 360 mm | ||
| Rear brake diameter | 350 mm | ||
| Braked area | |||
| Gearbox | 7 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.15 | ||
| general | |||
| Carfolio.com ID | 208252 | ||
| Production total | |||
| Model code | |||
| Model family | E93 | ||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 BMW M3 Convertible Automatic added 2010-02-19. Last modified 2013-02-28. |
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