The BMW Z4 2.5si is a rear wheel drive motor vehicle, with the powerplant placed in the front, and a 2 door convertible/cabriolet body.
The Z4 2.5si is part of BMW's E85 family of cars.
The 2.5 litre engine is a naturally aspirated, double overhead camshaft, 6 cylinder unit that has an output of 215 bhp (218 PS/160 kW) of power at 6500 rpm, and maximum torque of 250 N·m (184 lb·ft/25.5 kgm) at 2750-4250 rpm.
The engine transmits power to the wheels by means of a 6 speed automatic transmission.
The quoted weight at the kerb is 1395 kg.
Top claimed speed is 238 km/h or 148 mph, official fuel consumption is 12.8/6.8/9.0 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 216.0 g/km.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2495 | 98.2 | |
| Voies AV | 1473 | 58 | |
| Voies AR | 1523 | 60 | |
| Longueur | 4091 | 161.1 | |
| Largeur | 1781 | 70.1 | |
| Hauteur | 1299 | 51.1 | |
| Garde au sol | |||
| 1.64 | |||
| Poids avec pleins | 1395 kg | 3075 | |
| Répartition poids AV | |||
| Réservoir à essence | 55 litres | 12.1 [14.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.36 | ||
| maître-couple | 1.91 m² | ||
| SCx | 0.69 | ||
| naturally aspirated petrol | |||
| Constructeur du moteur | BMW | ||
| Type moteur | |||
| Cylinders | Straight 6 | ||
| Cylindrée | 2.5 litre 2497 cc (152.376 cu in) |
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| Alésage × Course | 82 × 78.8 mm
3.23 × 3.1 in |
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| Rapport alésage / course | 1.04 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 24 Total vannes |
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| Puissance maximale | 218 PS (215 bhp) (160 kW) à 6500 tr/mn |
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| Couple maximale | 250 Nm (184 ft·lb) (25.5 kgm) à 2750-4250 tr/mn |
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| Specific output | 64.2 kW/litre 87.3 ps/litre 86.1 bhp/litre 1.41 bhp/cu in |
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100.12 Nm/litre
1.21 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 11:1 | ||
| Carburant | |||
| bmep (brake mean effective pressure) | 1258.1 kPa (182.5 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 416.17 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 6.9 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 238 km/h (148 mph) | ||
| Power-to-weight ratio | Higher is better 156.26 PS/tonne (1000 kg) 0.16 PS/kg 114.93 kW/tonne (1000 kg) 0.11 kW/kg 154.12 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.7 kg/kW 14.53 lb/bhp |
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| Consommation | |||
| Consommation | 12.8/6.8/9.0 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 12.8/6.8/9.0 l/100km urban/extra-urban/combined | ||
| km/litre | 7.8/14.7/11.1 km/l urban/extra-urban/combined | ||
| UK MPG | 22.1/41.5/31.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 18.4/34.6/26.1 US MPG urban/extra-urban/combined | ||
| Emissions de CO₂ | 216.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | K | ||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 7J x 16 | ||
| Roues AR | 7J x 16 | ||
| Pneumatiques AV | 225/55 R 16 92V | ||
| Pneumatiques AR | 225/55 R 16 92V | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 300 mm | ||
| Diamètre des freins AR | 294 mm | ||
| Braked area | |||
| Transmission | 6 speed automatic | ||
| Rapport de démultiplication supérieure | 0.69 | ||
| Rapport de pont | 3.73 | ||
| Généralités | |||
| Carfolio.com ID | 133672 | ||
| Production total | |||
| Type mines | |||
| E85 | |||
| RAC rating | 25.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2005 BMW Z4 2.5si Automatic added 2005-10-25. Last modified 2013-02-28. |
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