The M550i xDrive is a passenger car from BMW, with all wheel drive, a front positioned engine and a 4 door saloon (sedan) body style.
The BMW M550i xDrive is one of the G30 range of cars from BMW.
Its 4.4 litre engine is a turbocharged, double overhead camshaft, 8 cylinder unit that has an output of 456 bhp (462 PS/340 kW) of power at 5500-6000 rpm, and maximum torque of 651 N·m (480 lb·ft/66.4 kgm) at 1800-4750 rpm.
The engine drives the wheels by means of an 8 speed automatic set of gears.
Quoted kerb weight is 1983 kg.
The BMW M550i xDrive is said to be able to manage a top speed of 209 km/h or 130 mph, claimed fuel consumption figures are 16/25/19 US MPG EPA city/highway/combined.
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) | 1623 mm | 63.9 inches | |
| Length | 4963 mm | 195.4 inches | |
| Width | 1867 mm | 73.5 inches | |
| Height | 1468 mm | 57.8 inches | |
| Ground clearance | 132 mm | 5.2 inches | |
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 1983 kg | 4372 lb | |
| Weight distribution | 54.8% front | ||
| fuel tank capacity | 68.2 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 | N63B44O2 | ||
| 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 | 651 Nm (480 ft·lb) (66.4 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 |
148.12 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) | 1861.4 kPa (270 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 | 3.9 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 233.15 PS/tonne (1000 kg) 0.23 PS/kg 171.48 kW/tonne (1000 kg) 0.17 kW/kg 229.95 bhp/tonne (1000 kg) 0.23 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.83 kg/kW 9.74 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 16/25/19 US MPG EPA city/highway/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 14.7/9.4/12.4 l/100km city/highway/combined | ||
| km/litre | 6.8/10.6/8.1 km/l city/highway/combined | ||
| UK MPG | 19.2/30.0/22.8 UK MPG city/highway/combined | ||
| US MPG | 16.0/25.0/19.0 US MPG city/highway/combined | ||
| 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 | 8J x 19 | ||
| Wheel size rear | 9J x 19 | ||
| Tyres front | 245/40 R 19 100Y XL | ||
| Tyres rear | 275/35 R 19 100Y XL | ||
| 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 | 539341 | ||
| 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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2018 BMW M550i xDrive added 2018-01-08. Last modified 2020-03-16. |
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