This vehicle has a 2 door convertible/cabriolet type body with a front located engine supplying power to the rear wheels.
The 128i Convertible is part of BMW's E88 series.
Power is supplied by a double overhead camshaft, 3 litre naturally aspirated 6 cylinder engine, with 4 valves per cylinder that develops power and torque figures of 230 bhp (233 PS/172 kW) at 6500 rpm and 271 N·m (200 lb·ft/27.6 kgm) at 2750 rpm respectively.
The engine powers the wheels by means of a 6 speed automatic transmission.
The BMW 128i Convertible weighs a stated 1620 kg at the kerb.
Maximum claimed speed is 210 km/h, or 130 mph, manufacturer claimed fuel consumption figures are 18/27/21 US MPG city/highway/combined.
Full specs
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Applicable to the USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2660 mm | 104.7 inches | |
| Track/tread (front) | 1480 mm | 58.3 inches | |
| Track/tread (rear) | 1513 mm | 59.6 inches | |
| Length | 4373 mm | 172.2 inches | |
| Width | 1748 mm | 68.8 inches | |
| Height | 1411 mm | 55.6 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.64 | ||
| Kerb weight | 1620 kg | 3571 lb | |
| Weight distribution | 50.9% front | ||
| fuel tank capacity | 53 litres | 11.7 [14] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.34 | ||
| Frontal area | 2.09 m² | ||
| CdA | 0.71 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2996 cc (182.827 cu in) |
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| Bore × Stroke | 85 × 88 mm
3.35 × 3.46 in |
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| Bore/stroke ratio | 0.97 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output (SAE net) |
233 PS (230 bhp) (172 kW) at 6500 rpm |
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| maximum torque (SAE net) |
271 Nm (200 ft·lb) (27.6 kgm) at 2750 rpm |
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| Specific output (SAE net) |
57.2 kW/litre 77.8 ps/litre 76.8 bhp/litre 1.26 bhp/cu in |
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| Specific torque (SAE net) |
90.45 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.7:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1136.7 kPa (164.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 499.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 7 s | ||
| Acceleration 0-100km/h | 7.3 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 210 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 143.95 PS/tonne (1000 kg) 0.14 PS/kg 105.87 kW/tonne (1000 kg) 0.11 kW/kg 141.98 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.45 kg/kW 15.78 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 18/27/21 US MPG city/highway/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 13.1/8.7/11.2 l/100km city/highway/combined | ||
| km/litre | 7.7/11.5/8.9 km/l city/highway/combined | ||
| UK MPG | 21.6/32.4/25.2 UK MPG city/highway/combined | ||
| US MPG | 18.0/27.0/21.0 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 | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7J x 16 | ||
| Wheel size rear | 7J x 16 | ||
| Tyres front | 205/55 R 16 91H | ||
| Tyres rear | 205/55 R 16 91H | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 300 mm | ||
| Rear brake diameter | 300 mm | ||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 3.73 | ||
| general | |||
| Carfolio.com ID | 178541 | ||
| Production total | |||
| Model code | |||
| Model family | E88 | ||
| RAC rating | 26.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2007 BMW 128i Convertible Automatic added 2008-06-02. Last modified 2013-02-28. |
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