Key facts

2011 BMW 320i Automatic, 2012 MY F30 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4624 mm
How heavy?
1495 kg
What size engine?
2 litre, 1997 cm3
How many cylinders?
4, Straight
How much power?
184 PS / 181 bhp / 135 kW @ 5000 rpm
How much torque?
270 Nm / 199 ft.lb / 27.5 kgm @ 1250-4500 rpm
How quick?
0-100 km/h: 7.60 s
How fast?
233 km/h, 145 mph
How economical?
7.7/4.8/5.9 l/100km urban/extra-urban/combined EU5
What carbon dioxide emissions?
138 CO2 g/km

BMW

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Bayerische Motorenwerke AG

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2011 BMW 320i Automatic technical specifications

Introduction

The BMW 320i is a saloon (sedan) with 4 doors and a front mounted engine which supplies its power through the rear wheels.
The 320i forms part of BMW's F30 series of cars.
The BMW 320i's engine is a turbocharged petrol, 2 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. This unit develops 181 bhp (184 PS/135 kW) of power at 5000 rpm, and maximum torque of 270 N·m (199 lb·ft/27.5 kgm) at 1250-4500 rpm.
The engine delivers its power through to the wheels by means of an 8 speed automatic transmission.
Quoted weight at the kerb is 1495 kg.
Its maximum speed claimed is 233 km/h (145 mph), official fuel consumption figures are 7.7/4.8/5.9 l/100km urban/extra-urban/combined EU5, and carbon dioxide emissions are 138 g/km.
2011 BMW 320i Automatic data
2011 BMW 320i Automatic, 2012 MY F30 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
mminches
Wheelbase 2810 110.6
Track/tread (front) 1543 60.7
Track/tread (rear) 1583 62.3
Length 4624 182
Width 1811 71.3
Height 1429 56.3
Ground clearance
length:wheelbase ratio 1.65
Kerb weight 1495 kg 3296 lb
Weight distribution
fuel tank capacity 60 litres 13.2 UK Gal 15.9 US Gal
aerodynamics
Drag coefficient 0.290
Frontal area 2.20
CdA 0.64
engine
engine type turbocharged petrol
Engine manufacturer BMW
Engine code N20B20U0
Cylinders Straight 4
Capacity 2 litre
1997 cc
(121.864 cu in)
Bore × Stroke 84 × 90.1 mm
3.31 × 3.55 in
Bore/stroke ratio 0.93
double overhead camshaft (DOHC)
4 valves per cylinder
16 valves in total
maximum power output 184 PS (181 bhp) (135 kW)
at 5000 rpm
Specific output 90.6 bhp/litre
1.49 bhp/cu in
maximum torque 270 Nm (199 ft·lb) (27.5 kgm)
at 1250-4500 rpm
Specific torque 135.2 Nm/litre
1.63 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 11:1
Fuel system direct petrol injection
bmep (brake mean effective pressure) 1699 kPa (246.4 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 499.25 cc
Aspiration Turbo
Compressor
Intercooler
Catalytic converter Y
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 7.60 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 28.00 s
Maximum speed 233 km/h (145 mph)
Power-to-weight ratio 122.75 PS/g
90.28 kW/g
121.07 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 11.08 kg/kW
18.5 lb/bhp
fuel consumption
Fuel consumption 7.7/4.8/5.9 l/100km urban/extra-urban/combined EU5
universal consumption (calculated from the above)
litres per 100km7.74.85.9 l100km urbanextra-urbancombined
km per litre13.0/20.8/16.9 km/l urban/extra-urban/combined
UK MPG36.7/58.9/47.9 UK MPG urban/extra-urban/combined
US MPG30.5/49.0/39.9 US MPG urban/extra-urban/combined
Carbon dioxide emissions 138 g/km
Carfolio Calculated CO2 ? 136.88 g/km
VED band (UK) E
CO2 Effizienz (DE) B
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion PAS
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front 7.0J x 16
Wheel size rear 7.0J x 16
Tyres front 225/50 R 17 94W
Tyres rear 225/50 R 17 94W
Brakes F/R VeDi/VeDi-S-ABS
Front brake diameter
Rear brake diameter
Gearbox 8 speed automatic
Top gear ratio 0.67
Final drive ratio 3.15
general
Carfolio.com ID257147
Production total
Model code
Model family F30
RAC rating 17.5
Insurance classification No information available
Tax band No information available
2011 BMW 320i Automatic added 2011-10-17.
Last modified 2013-02-28.

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