The BMW 125i is a rear wheel drive road car, with the motor placed in the front, and a 5 door hatchback body.
The BMW 125i belongs to the F20 range of cars from BMW.
The 2 litre engine is a turbocharged, double overhead camshaft, 4 cylinder that has an output of 215 bhp (218 PS/160 kW) of power at 5000 rpm, and maximum torque of 310 N·m (229 lb·ft/31.6 kgm) at 1350-4800 rpm.
The engine powers the wheels by means of an 8 speed automatic set of gears.
Stated kerb weight is 1440 kg.
It is claimed to manage a top speed of 243 km/h, or 151 mph, official fuel consumption is 8.2/5.3/6.4 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 149.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater hatchback | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2690 mm | 105.9 inches | |
| Track/tread (front) | 1521 mm | 59.9 inches | |
| Track/tread (rear) | 1556 mm | 61.3 inches | |
| Length | 4324 mm | 170.2 inches | |
| Width | 1765 mm | 69.5 inches | |
| Height | 1421 mm | 55.9 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.61 | ||
| Kerb weight | 1440 kg | 3175 lb | |
| Weight distribution | |||
| fuel tank capacity | 52 litres | 11.4 [13.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.32 | ||
| Frontal area | 2.14 m² | ||
| CdA | 0.68 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2 litre 1997 cc (121.864 cu in) |
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| Bore × Stroke | 84 × 90.1 mm
3.31 × 3.55 in |
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| Bore/stroke ratio | 0.93 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output | 218 PS (215 bhp) (160 kW) at 5000 rpm |
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| maximum torque | 310 Nm (229 ft·lb) (31.6 kgm) at 1350-4800 rpm |
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| Specific output | 80.3 kW/litre 109.2 ps/litre 107.7 bhp/litre 1.76 bhp/cu in |
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| Specific torque |
155.23 Nm/litre
1.88 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1950.7 kPa (282.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 499.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | 1 twin scroll turbocharger | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 6.5 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 26.5 s | ||
| Maximum speed | 243 km/h (151 mph) | ||
| Power-to-weight ratio | Higher is better 151.38 PS/tonne (1000 kg) 0.15 PS/kg 111.34 kW/tonne (1000 kg) 0.11 kW/kg 149.31 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.98 kg/kW 15 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 8.2/5.3/6.4 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 8.2/5.3/6.4 l/100km urban/extra-urban/combined | ||
| km/litre | 12.2/18.9/15.6 km/l urban/extra-urban/combined | ||
| UK MPG | 34.4/53.3/44.1 UK MPG urban/extra-urban/combined | ||
| US MPG | 28.7/44.4/36.8 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 149.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | F | ||
| CO2 Effizienz (DE) | C | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7J x 17 | ||
| Wheel size rear | 7J x 17 | ||
| Tyres front | 205/50 R 17 89W | ||
| Tyres rear | 205/50 R 17 89W | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 3.08 | ||
| general | |||
| Carfolio.com ID | 259325 | ||
| Production total | |||
| Model code | |||
| Model family | F20 | ||
| RAC rating | 17.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2012 BMW 125i Automatic added 2012-01-16. Last modified 2020-02-02. |
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