BMW 6 Series Convertible (F12)
640i (320 Hp) Steptronic
2011 – 2015 · Petrol · Rear-wheel drive · 8-speed Steptronic automatic
- Power
- 320 Hp
- 0–100 km/h
- 5.7 s
- Top speed
- 250 km/h155 mph
- Combined
- 7.9 l/100 km29.8 mpg
General information
- Brand
- BMW
- Model
- 6 Series
- Generation
- 6 Series Convertible (F12)
- Modification (Engine)
- 640i (320 Hp) Steptronic
- Start of production
- 2011
- End of production
- 2015
- Powertrain architecture
- Internal combustion engine
- Body type
- Cabriolet
- Seats
- 4
- Doors
- 2
Performance specs
- Fuel consumption (urban)
- 10.9 l/100 km21.6 mpg
- Fuel consumption (extra urban)
- 6.2 l/100 km37.9 mpg
- Fuel consumption (combined)
- 7.9 l/100 km29.8 mpg
- CO2 emissions
- 185 g/km298 g/mi
- Fuel type
- Petrol (Gasoline)
- Acceleration 0 - 100 km/h
- 5.7 s
- Acceleration 0 - 60 mph (calculated)
- 5.4 s
- Acceleration 0 - 200 km/h
- —
- Maximum speed
- 250 km/h155 mph
- Emission standard
- Euro 5
- Weight-to-power ratio
- 5.8 kg/Hp12.8 lb/Hp
- Weight-to-torque ratio
- 4.1 kg/Nm12.3 lb/lb-ft
Engine specs
- Power
- 320 Hp
- Power at
- 5800 - 6000 rpm
- Power per litre
- 107.4
- Torque
- 450 Nm332 lb-ft
- Torque at
- 1300 - 4500 rpm
- Engine layout
- Front, longitudinal
- Engine model/code
- N55B30A
- Engine displacement
- 2979 cm³2979 cm³ (182 cu in)
- Number of cylinders
- 6
- Engine configuration
- Inline
- Cylinder bore
- 84 mm3.3 in
- Piston stroke
- 89.6 mm3.5 in
- Compression ratio
- 10.2 : 1
- Number of valves per cylinder
- 4
- Fuel injection system
- Direct injection
- Engine aspiration
- TwinPower Turbo, intercooler
- Engine oil capacity
- 6.5 l1.7 gal
- Coolant
- 9.3 l2.5 gal
Space, volume and weights
- Kerb weight
- 1840 kg4057 lb
- Max. weight
- 2290 kg5049 lb
- Max load
- 450 kg992 lb
- Trunk (boot) space - minimum
- 300 l79.3 gal
- Trunk (boot) space - maximum
- 350 l92.5 gal
- Fuel tank capacity
- 70 l18.5 gal
Dimensions
- Length
- 4894 mm192.7 in
- Width
- 1894 mm74.6 in
- Height
- 1365 mm53.7 in
- Wheelbase
- 2855 mm112.4 in
- Front track
- 1600 mm63.0 in
- Rear (Back) track
- 1665 mm65.6 in
- Ride height (ground clearance)
- 123 mm4.8 in
- Drag coefficient (Cd)
- 0.31
- Minimum turning circle
- 11.7 m38.4 ft
Drivetrain, brakes and suspension
- Drive wheel
- Rear-wheel drive
- Number of gears and type of gearbox
- 8 gears, automatic transmission Steptronic
- Front suspension
- Double wishbone
- Rear suspension
- Independent multi-link suspension
- Front brakes
- Ventilated discs
- Rear brakes
- Ventilated discs
- Assisting systems
- ABS (Anti-lock braking system)
- Steering type
- Steering rack and pinion
- Power steering
- Electric steering
- Tires size
- 225/55 R17 97Y
- Wheel rims size
- 8J x 17