| petrol | |
| diesel | |
| alcohol based | |
| gas (LPG, CNG) | |
| steam | |
| electricity |
(2005 model)
2-door 4-seater convertible (cabriolet), petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4392 cm3 / 268.0 cu in / 268.0 cu in, 243.0 kW / 325.9 hp / 325.9 hp @ 6100 rpm / 6100 rpm / 6100 rpm, 447.5 N·m / 330.0 lb·ft / 330.0 lb·ft @ 3600 rpm / 3600 rpm / 3600 rpm, manual 6-speed transmission, rear wheel drive, 250 km/h / 155 mph / 155 mph top speed, consumption 12.8 l/100km / 22.1 mpg-UK / 18.4 mpg-US
| Marque (make) | BMW | Issued from | 2005 |
|---|---|---|---|
| Model | 645Ci Convertible | Issued until | |
| Serie | 6 | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | BMW | Country | DE,ZA |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | convertible (cabriolet) | Number of seats | 4 |
| Bodywork designer | Cargo capacity (volume) | 351 l / 12.40 cu ft / 12.40 cu ft | |
| Passenger space (volume) | 2294 l / 81.01 cu ft / 81.01 cu ft | Max. cargo capacity (volume) |
| Length | 4830 mm / 190.2 in / 190.2 in | Total (curb) weight | 1895 kg / 4178 lb / 4178 lb |
|---|---|---|---|
| Width | 1860 mm / 73.2 in / 73.2 in | Dry weight | |
| Height | 1380 mm / 54.3 in / 54.3 in | Load capacity | 320 kg / 705 lb / 705 lb |
| Wheelbase | 2890 mm / 113.8 in / 113.8 in | Gross (max.) weight | 2215 kg / 4883 lb / 4883 lb |
| Track front | Towing weight | ||
| Track rear | Weight distribution (front) | ||
| Ground clearance | Fuel capacity | 70 l / 15.4 UK gal / 18.5 US gal | |
| Length/wheelbase ratio | 1.67 |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | 2.18 m2 / 23.5 sq ft / 23.5 sq ft (est.) | |
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 8 | |
|---|---|---|---|
| Engine Type | V engine (V8) | Total number of valves | 32 |
| Engine Manufacturer | Valves per cylinder | 4 | |
| Engine construction | Bore | 92.0 mm / 3.62 in / 3.62 in | |
| Fuel | petrol (gasoline) | Stroke | 83.0 mm / 3.27 in / 3.27 in |
| Fuel details | unleaded 98 | Bore/Stroke ratio | 1.11 |
| Fuel supply | Injection | Engine displacement | 4392 cm3 / 268.0 cu in / 268.0 cu in |
| Engine Main bearings | Unitary capacity | 551.75 cm3/cylinder / 33.670 cu in/cylinder / 33.670 cu in/cylinder | |
| Cam Design | DOHC (double overhead camshafts, twin cam) | Compression ratio | 10.5 : 1 |
| Sump | Max. output power | 243.0 kW / 325.9 hp / 325.9 hp at 6100 rpm / 6100 rpm / 6100 rpm | |
| Aspiration | Max. torque | 447.5 N·m / 330.0 lb·ft / 330.0 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm | |
| Compressor type | Maximum rpm | ||
| Intercooler | Max. net output (power at the wheels) | 97.2 kW / 130.3 hp / 130.3 hp (est.) | |
| Coolant | water | Specific output | 55.3 kW/l / 1.216 bhp/cu in / 1.216 bhp/cu in |
| Catalytic converter | Specific torque | 101.9 N·m/l / 0.89 lb·ft/cu in / 0.89 lb·ft/cu in |
| Transmission type | manual | Number of gears | 6 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | |
| Final gear (drive) ratio |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | 250 km/h / 155 mph / 155 mph | |
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | Power-to-weight ratio | 174.7 kW/ton / 132.4 bhp/ton / 132.4 bhp/ton | |
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | 15.7 l/100km / 18.0 mpg-UK / 15.0 mpg-US | |
| Acceleration 0-100 mph (160 km/h) | Fuel consumption, Road (extra-urban) | 10.2 l/100km / 27.7 mpg-UK / 23.1 mpg-US | |
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | 12.8 l/100km / 22.1 mpg-UK / 18.4 mpg-US | |
| Standing ¼mile time | Fuel consumption, Euro | ||
| Standing kilometer time | CO2 emissions | 300 g/km / 482 g/mi / 482 g/mi (est.) | |
| Range | 547 km / 340 mi / 340 mi |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | Steering details | ||
| Turns lock-to-lock | Turning circle | 12.0 m / 39.4 ft / 39.4 ft | |
| Suspension front | Independent | Suspension rear | Independent |
| Wheels front | Wheels rear | ||
| Tyres front | 245/50-R18 | Tyres rear | 245/45-R18 |
| Brakes front | ventilated disc | Brakes rear | ventilated disc |
| Brake diameter front | Brake diameter rear | ||
| Brakes details | ABS (anti-lock braking system) | Braked area |
Technical specifications and performance data of BMW 645Ci Convertible
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