The BMW Z4 sDrive18i is a convertible/cabriolet with 2 doors and a front mounted engine which delivers the power to the rear wheels.
The BMW Z4 sDrive18i belongs to the E89 model family from BMW.
Power is supplied by a double overhead camshaft, 2 litre turbocharged 4 cylinder powerplant, with 4 valves per cylinder that provides power and torque figures of 154 bhp (156 PS/115 kW) at 5000 rpm and 240 N·m (177 lb·ft/24.5 kgm) at 1250-4400 rpm respectively.
The engine powers the wheels compliments of a 6 speed manual transmission.
The claimed weight at the kerb is 1470 kg.
Maximum speed stated is 221 km/h (137 mph), official fuel consumption figures are 8.9/5.6/6.8 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 159.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2496 mm | 98.3 inches | |
| Track/tread (front) | 1511 mm | 59.5 inches | |
| Track/tread (rear) | 1562 mm | 61.5 inches | |
| Length | 4239 mm | 166.9 inches | |
| Width | 1790 mm | 70.5 inches | |
| Height | 1291 mm | 50.8 inches | |
| Ground clearance | 130 mm | 5.1 inches | |
| length:wheelbase ratio | 1.7 | ||
| Kerb weight | 1470 kg | 3241 lb | |
| Weight distribution | |||
| fuel tank capacity | 55 litres | 12.1 [14.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.34 | ||
| Frontal area | 1.96 m² | ||
| CdA | 0.67 | ||
| 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 | 156 PS (154 bhp) (115 kW) at 5000 rpm |
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| maximum torque | 240 Nm (177 ft·lb) (24.5 kgm) at 1250-4400 rpm |
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| Specific output | 57.5 kW/litre 78.2 ps/litre 77.1 bhp/litre 1.26 bhp/cu in |
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| Specific torque |
120.18 Nm/litre
1.45 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) | 1510.2 kPa (219 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 499.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | BMW TwinPower twin-scroll turbocharger | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 7.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 28.9 s | ||
| Maximum speed | 221 km/h (137 mph) | ||
| Power-to-weight ratio | Higher is better 106.22 PS/tonne (1000 kg) 0.11 PS/kg 78.12 kW/tonne (1000 kg) 0.08 kW/kg 104.76 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.8 kg/kW 21.38 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 8.9/5.6/6.8 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 8.9/5.6/6.8 l/100km urban/extra-urban/combined | ||
| km/litre | 11.2/17.9/14.7 km/l urban/extra-urban/combined | ||
| UK MPG | 31.7/50.4/41.5 UK MPG urban/extra-urban/combined | ||
| US MPG | 26.4/42.0/34.6 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 159.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | G | ||
| CO2 Effizienz (DE) | D | ||
| 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 | 8J x 17 | ||
| Wheel size rear | 8J x 17 | ||
| Tyres front | 225/45 R 17 91W | ||
| Tyres rear | 225/45 R 17 91W | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 300 mm | ||
| Rear brake diameter | 300 mm | ||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.68 | ||
| Final drive ratio | 3.73 | ||
| general | |||
| Carfolio.com ID | 333322 | ||
| Production total | |||
| Model code | |||
| Model family | E89 | ||
| RAC rating | 17.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2013 BMW Z4 sDrive18i added 2013-04-19. Last modified 2020-02-02. |
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