BMW 550i xDrive, 2015 MY US

The 550i xDrive is a motor vehicle from BMW, with all wheel drive, a front positioned engine and a 4 door sedan/saloon body style. Its 4.4 litre engine is a turbocharged, double overhead camshaft, 8 cylinder that develops 445 bhp (451 PS/332 kW) of power at 5500-6000 rpm, and maximum torque of 650 N·m (479 lb·ft/66.3 kgm) at 2000-4500 rpm. An 8 speed automatic gearbox delivers the power to the driven wheels. The stated weight at the kerb is 2010 kg. Its maximum speed quoted is 209 km/h or 130 mph, officially quoted fuel consumption figures are 16/24/19 US MPG EPA city/highway/combined.

Pictures

Key facts

BMW 550i xDrive, 2015 MY US information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4913 mm
How heavy?
2010 kg
What size engine?
4.4 litre, 4395 cm3
How many cylinders?
8, V
How much power?
451 PS / 445 bhp / 332 kW @ 5500-6000 rpm
How much torque?
650 Nm / 479 ft.lb / 66.3 kgm @ 2000-4500 rpm
How quick?
0-60 mph: 4.3 s
How quick?
0-100 km/h: 4.5 s
How fast?
209 km/h, 130 mph
How economical?
16/24/19 US MPG EPA city/highway/combined

BMW 550i models

4 door sedan/​saloon FR 8A 4395 cm3 451 PS 445 bhp 332 kW 1980 kg
4 door sedan/​saloon FA 8A 4395 cm3 451 PS 445 bhp 332 kW 2010 kg
4 door sedan/​saloon FR 8A 4395 cm3 451 PS 445 bhp 332 kW 1980 kg

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2015 BMW 550i xDrive data
Applicable to the USA domestic market(s).
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
Wheelbase 2968 116.9
Track/tread (front) 1600 63
Track/tread (rear) 1627 64.1
Length 4913 193.4
Width 1860 73.2
Height 1464 57.6
Ground clearance 141 5.6
length:wheelbase ratio 1.66
Kerb weight 2010 kg 4431
Weight distribution 53 % front
fuel tank capacity 70 litres 15.4 UK Gal 18.5 US Gal
aerodynamics
Drag coefficient 0.3
Frontal area 2.35
CdA 0.71
engine
engine type turbocharged petrol
Engine manufacturer BMW
Engine code N63B44O1
Cylinders V 8 in 90° vee
Capacity 4.4 litre
4395 cc
(268.199 cu in)
Bore × Stroke 89 × 88.3 mm
3.5 × 3.48 in
Bore/stroke ratio 1.01
Valve gear double overhead camshaft (DOHC)
4 valves per cylinder
32 valves in total
maximum power output 451 PS (445 bhp) (332 kW)
at 5500-6000 rpm
Specific output 101.3 bhp/litre
1.66 bhp/cu in
maximum torque 650 Nm (479 ft·lb) (66.3 kgm)
at 2000-4500 rpm
Specific torque 147.9 Nm/litre
1.79 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 10:1
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 2 BMW turbochargers
Intercooler
Catalytic converter Y
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 4.3 s
Acceleration 0-100km/h 4.5 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 23.1 s
Maximum speed 209 km/h (130 mph)
Power-to-weight ratio 224.47 PS/tonne (1000 kg)
165.09 kW/tonne (1000 kg)
221.39 bhp/tonne (1000 kg)
0.1 bhp/lb
Weight-to-power ratio 6.06 kg/kW
10.12 lb/bhp
fuel consumption
Fuel consumption 16/24/19 US MPG EPA city/highway/combined
universal consumption (calculated from the above)
litres/100km14.7/9.8/12.4 l/100km city/highway/combined
km/litre6.8/10.2/8.1 km/l city/highway/combined
UK MPG19.2/28.8/22.8 UK MPG city/highway/combined
US MPG16.0/24.0/19.0 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 N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front 8J x 18
Wheel size rear 8J x 18
Tyres front 245/45 R 18 100V
Tyres rear 245/45 R 18 100V
Brakes F/R VeDi/VeDi-S-ABS
Front brake diameter 348 mm
Rear brake diameter 345 mm
Braked area
Gearbox 8
Top gear ratio 0.67
Final drive ratio 2.81
general
Carfolio.com ID490688
Production total
Model code
Model family
RAC rating 39.3
Insurance classification No information available
Tax band No information available
2015 BMW 550i xDrive added 2016-06-25.
Last modified 2016-06-25.