The BMW Z4 M40i Edition Pure Impulse is a rear wheel drive vehicle, with its engine located in the front, and a 2 door convertible/cabriolet body.
It forms part of BMW's G29 series.
Its 6 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a volume of 3 litres. This unit develops power and torque figures of 335 bhp (340 PS/250 kW) at 5000-6500 rpm and 500 Nm (369 lbft/51 kgm) at 1600-4500 rpm respectively.
The engine delivers its power through to the wheels by means of a 6 speed manual gearbox.
The stated kerb weight is 1625 kg.
Its maximum speed claimed is 250 km/h (155 mph).
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2470 mm | 97.2 inches | |
| Track/tread (front) | 1594 mm | 62.8 inches | |
| Track/tread (rear) | 1589 mm | 62.6 inches | |
| Length | 4324 mm | 170.2 inches | |
| Width | 1864 mm | 73.4 inches | |
| Height | 1303 mm | 51.3 inches | |
| Ground clearance | 114 mm | 4.5 inches | |
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | 1625 kg | 3583 lb | |
| Weight distribution | |||
| fuel tank capacity | 52 litres | 11.4 [13.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.31 | ||
| Frontal area | 2.07 m² | ||
| CdA | 0.64 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2998 cc (182.949 cu in) |
||
| Bore × Stroke | 82 × 94.6 mm
3.23 × 3.72 in |
||
| Bore/stroke ratio | 0.87 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
||
| maximum power output | 340 PS (335 bhp) (250 kW) at 5000-6500 rpm |
||
| maximum torque | 500 Nm (369 ft·lb) (51 kgm) at 1600-4500 rpm |
||
| Specific output | 83.3 kW/litre 113.3 ps/litre 111.7 bhp/litre 1.83 bhp/cu in |
||
| Specific torque |
166.78 Nm/litre
2.02 ft·lb/cu3 |
||
| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 11:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 2095.8 kPa (304 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 499.67 cc | ||
| Aspiration | Turbo | ||
| Compressor | 1 BMW TwinPower twin-scroll turbocharger | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.6 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 209.02 PS/tonne (1000 kg) 0.21 PS/kg 153.73 kW/tonne (1000 kg) 0.15 kW/kg 206.15 bhp/tonne (1000 kg) 0.21 bhp/kg 0.09 bhp/lb |
||
| Weight-to-power ratio | Lower is better 6.5 kg/kW 10.87 lb/bhp |
||
| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| 195.00 g/km WLTP | |||
| 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 | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 9J x 19 | ||
| Wheel size rear | 10J x 20 | ||
| Tyres front | 255/35 ZR 19 | ||
| Tyres rear | 285/30 ZR 20 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.85 | ||
| Final drive ratio | 3.46 | ||
| general | |||
| Carfolio.com ID | 797984 | ||
| Production total | |||
| Model code | |||
| Model family | G29 | ||
| RAC rating | 25.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
2024 BMW Z4 M40i Edition Pure Impulse added 2024-02-04. Last modified 2025-10-23. |
|||
