The M850i xDrive Convertible is an all wheel drive convertible/cabriolet motor vehicle with a front positioned engine, sold by BMW.
The BMW M850i xDrive Convertible belongs to the G14 range of cars from BMW.
The power is produced by a turbocharged engine of 4.4 litre capacity. This powerplant features double overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 4 valves per cylinder. It has an output of 523 bhp (530 PS/390 kW) of power at 5500-6000 rpm, and maximum torque of 750 N·m (553 lb·ft/76.5 kgm) at 1800-4600 rpm.
The engine delivers its power through to the wheels via an 8 speed automatic gearbox.
The stated weight at the kerb is 2090 kg.
Maximum speed claimed is 250 km/h (155 mph), official fuel consumption is 13.3/7.9/9.9 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 225.0 g/km.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2822 | 111.1 | |
| Voies AV | 1627 | 64.1 | |
| Voies AR | 1642 | 64.6 | |
| Longueur | 4851 | 191 | |
| Largeur | 1902 | 74.9 | |
| Hauteur | 1345 | 53 | |
| Garde au sol | 125 | 4.9 | |
| 1.72 | |||
| Poids avec pleins | 2090 kg | 4608 | |
| Répartition poids AV | |||
| Réservoir à essence | 68.2 litres | 15 [18] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.32 | ||
| maître-couple | 2.22 m² | ||
| SCx | 0.71 | ||
| turbocharged petrol | |||
| Constructeur du moteur | BMW | ||
| Type moteur | N63B44T3 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 4.4 litre 4395 cc (268.199 cu in) |
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| Alésage × Course | 89 × 88.3 mm
3.5 × 3.48 in |
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| Rapport alésage / course | 1.01 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 32 Total vannes |
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| Puissance maximale | 530 PS (523 bhp) (390 kW) à 5500-6000 tr/mn |
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| Couple maximale | 750 Nm (553 ft·lb) (76.5 kgm) à 1800-4600 tr/mn |
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| Specific output | 88.7 kW/litre 120.7 ps/litre 119 bhp/litre 1.95 bhp/cu in |
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170.65 Nm/litre
2.06 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 10.5:1 | ||
| Carburant | direct petrol injection | ||
| bmep (brake mean effective pressure) | 2144.4 kPa (311 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 549.38 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 3.9 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 253.72 PS/tonne (1000 kg) 0.25 PS/kg 186.6 kW/tonne (1000 kg) 0.19 kW/kg 250.24 bhp/tonne (1000 kg) 0.25 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.36 kg/kW 8.95 lb/bhp |
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| Consommation | |||
| Consommation | 13.3/7.9/9.9 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 13.3/7.9/9.9 l/100km urban/extra-urban/combined | ||
| km/litre | 7.5/12.7/10.1 km/l urban/extra-urban/combined | ||
| UK MPG | 21.2/35.8/28.5 UK MPG urban/extra-urban/combined | ||
| US MPG | 17.7/29.8/23.8 US MPG urban/extra-urban/combined | ||
| Emissions de CO₂ | 225.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | K | ||
| CO2 Effizienz (DE) | E | ||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | all wheel drive | ||
| Répartition du couple | |||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8.0J x 20 | ||
| Roues AR | 9.0J x 20 | ||
| Pneumatiques AV | 245/35 R 20 95Y XL | ||
| Pneumatiques AR | 275/30 R 20 97Y XL | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 8 speed automatic | ||
| Rapport de démultiplication supérieure | 0.64 | ||
| Rapport de pont | 2.81 | ||
| Généralités | |||
| Carfolio.com ID | 563805 | ||
| Production total | |||
| Type mines | |||
| G14 | |||
| RAC rating | 39.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2018 BMW M850i xDrive Convertible added 2018-11-02. Last modified 2020-03-16. |
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