BMW 6 Series Convertible (F12) 640i (320 Hp) Steptronic 2011

General Information

Modification (Engine)

640i (320 Hp) Steptronic

Start of production

2011 year

Powertrain Architecture

Internal Combustion engine

Body type

Cabriolet

Seats

Doors

End of production

2015 year

Engine

Power

320 Hp @ 5800-6000 rpm.

Power per litre

107.4 Hp/l

Engine location

Front, Longitudinal

Number of cylinders

Position of cylinders

Inline

Compression ratio

10.2

Number of valves per cylinder

Engine aspiration

Twin-power turbo, Intercooler

Torque

450 Nm @ 1300-4500 rpm.

Engine displacement

2979

Cylinder Bore

84 mm

Piston Stroke

89.6 mm

Engine oil capacity

6.5 l

Coolant

9.3 l

Fuel System

Direct injection

Dimensions

Rear (Back) track

1665 mm

Width

1894 mm

Height

1365 mm

Length

4894 mm

Front track

1600 mm

Minimum turning circle (turning diameter)

1.7

Wheelbase

2855 mm

Ride height (ground clearance)

123 mm

Performance Characteristics

CO₂ emissions

185 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

5.7 sec

Weight-to-power ratio

5.8 kg/Hp, 173.9 Hp/tonne

Weight-to-torque ratio

4.1 kg/Nm, 244.6 Nm/tonne

Fuel consumption (economy) - urban

10.9 l

Fuel consumption (economy) - extra urban

6.2 l

Fuel consumption (economy) - combined

7.9 l

Maximum speed

250 km/h

Volume and Weight

Max load

450 kg

Kerb Weight

1840 kg

Fuel tank capacity

70 l

Trunk (boot) space - maximum

350 l

Trunk (boot) space - minimum

300 l

Max. weight

2290 kg

Transmission, Brakes and Suspension

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

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

Wheel rims size

8J x 17

Tires size

225/55 R17 97Y

BMW 6 Series 640i (320 Hp) Steptronic