The BMW M550i xDrive is an all wheel drive motor car, with its engine located in the front, and a 4 door saloon (sedan) bodyshell.
It forms part of BMW's G30 family of cars.
Its 4.4 litre engine is a turbocharged, double overhead camshaft, 8 cylinder that produces 523 bhp (530 PS/390 kW) of power at 5500-6000 rpm, and maximum torque of 750 N·m (553 lb·ft/76.5 kgm) at 1800-4600 rpm.
The engine transmits power to the wheels via an 8 speed automatic transmission.
Quoted weight at the kerb is 1939 kg.
Its maximum speed quoted is 209 km/h (130 mph).
Full specs
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Applicable to the USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2974 mm | 117.1 inches | |
| Track/tread (front) | 1600 mm | 63 inches | |
| Track/tread (rear) | 1626 mm | 64 inches | |
| Length | 4973 mm | 195.8 inches | |
| Width | 1867 mm | 73.5 inches | |
| Height | 1483 mm | 58.4 inches | |
| Ground clearance | 132 mm | 5.2 inches | |
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 1939 kg | 4275 lb | |
| Weight distribution | |||
| fuel tank capacity | 68.2 litres | 15 [18] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.28 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | N63B44T3 | ||
| 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 (SAE net) |
530 PS (523 bhp) (390 kW) at 5500-6000 rpm |
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| maximum torque (SAE net) |
750 Nm (553 ft·lb) (76.5 kgm) at 1800-4600 rpm |
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| Specific output (SAE net) |
88.7 kW/litre 120.7 ps/litre 119 bhp/litre 1.95 bhp/cu in |
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| Specific torque (SAE net) |
170.65 Nm/litre
2.06 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) | 2144.4 kPa (311 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 549.38 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 3.6 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 209 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 273.48 PS/tonne (1000 kg) 0.27 PS/kg 201.14 kW/tonne (1000 kg) 0.2 kW/kg 269.73 bhp/tonne (1000 kg) 0.27 bhp/kg 0.12 bhp/lb |
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| Weight-to-power ratio | Lower is better 4.97 kg/kW 8.3 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 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| 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 | 8.0 x 19 | ||
| Wheel size rear | 8.0 x 19 | ||
| Tyres front | 245/40 R 19 | ||
| Tyres rear | 245/40 R 19 | ||
| 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 | 716870 | ||
| 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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2021 BMW M550i xDrive added 2021-01-03. Last modified 2021-01-03. |
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