The M550i xDrive is an automobile from BMW, with all wheel drive, a front located engine and a 4 door saloon (sedan) body style.
The M550i xDrive forms part of BMW's G30 family of cars.
Its engine is a turbocharged petrol, 4.4 litre, double overhead camshaft 90 degree V 8 cylinder with 4 valves per cylinder. It develops 456 bhp (462 PS/340 kW) of power at 5500-6000 rpm, and maximum torque of 650 N·m (479 lb·ft/66.3 kgm) at 1800-4750 rpm.
The engine drives the wheels compliments of an 8 speed automatic transmission.
The quoted kerb weight is 1885 kg.
Top quoted speed is 250 km/h (155 mph), claimed fuel consumption is 12.7/6.8/8.9 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 204.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2975 mm | 117.1 inches | |
| Track/tread (front) | 1600 mm | 63 inches | |
| Track/tread (rear) | 1597 mm | 62.9 inches | |
| Length | 4962 mm | 195.4 inches | |
| Width | 1868 mm | 73.5 inches | |
| Height | 1467 mm | 57.8 inches | |
| Ground clearance | 131 mm | 5.2 inches | |
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 1885 kg | 4156 lb | |
| Weight distribution | |||
| fuel tank capacity | 68 litres | 15 [18] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.28 | ||
| Frontal area | 2.35 m² | ||
| CdA | 0.66 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.4 litre 4395 cc (268.199 cu in) |
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| Bore × Stroke | 89 × 88.3 mm
3.5 × 3.48 in |
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| Bore/stroke ratio | 1.01 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 462 PS (456 bhp) (340 kW) at 5500-6000 rpm |
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| maximum torque | 650 Nm (479 ft·lb) (66.3 kgm) at 1800-4750 rpm |
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| Specific output | 77.4 kW/litre 105.2 ps/litre 103.8 bhp/litre 1.7 bhp/cu in |
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| Specific torque |
147.9 Nm/litre
1.79 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1858.5 kPa (269.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 549.38 cc | ||
| Aspiration | Turbo | ||
| Compressor | BMW TwinPower TwinScroll turbocharger | ||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 245.27 PS/tonne (1000 kg) 0.25 PS/kg 180.39 kW/tonne (1000 kg) 0.18 kW/kg 241.91 bhp/tonne (1000 kg) 0.24 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.54 kg/kW 9.26 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 12.7/6.8/8.9 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 12.7/6.8/8.9 l/100km urban/extra-urban/combined | ||
| km/litre | 7.9/14.7/11.2 km/l urban/extra-urban/combined | ||
| UK MPG | 22.2/41.5/31.7 UK MPG urban/extra-urban/combined | ||
| US MPG | 18.5/34.6/26.4 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 204.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | K | ||
| CO2 Effizienz (DE) | E | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8.oJ x 19 | ||
| Wheel size rear | 9.0J x 19 | ||
| Tyres front | 245/40 R 19 98Y | ||
| Tyres rear | 275/35 R 19 100Y | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.64 | ||
| Final drive ratio | 2.81 | ||
| general | |||
| Carfolio.com ID | 510785 | ||
| Production total | |||
| Model code | |||
| Model family | G30 | ||
| RAC rating | 39.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2016 BMW M550i xDrive added 2017-02-18. Last modified 2020-03-16. |
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