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BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic 2019, 2020, 2021
BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic 2019, 2020, 2021
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General information

Name

BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic 2019, 2020, 2021

Brand

BMW
Model

8 Series
Generation

8 Series Convertible (G14)
Year of production

2019

Number of seats

4

Number of doors

2

Body type

Cabriolet
Powertrain architecture

Internal Combustion engine
Engine Modification

840i (340 Hp) xDrive Steptronic

Power

340 Hp @ 5000-6500 rpm.

Torque (Nm)

500 Nm @ 1600-4500 rpm.

Electrical System

Performance specs

CO2 emissions (g/km)

173-178 g/km

Emission standard

Euro 6d - TEMP

Fuel consumption economy urban (l/100 km)

9.6-9.8 l/100 km

Fuel consumption economy extra urban (l/100 km)

6.4-6.7 l/100 km

Fuel consumption economy combined (l/100 km)

7.6-7.8 l/100 km

Acceleration 0-100 km/h

4.9 sec

Maximum speed (km/h)

250 km/h

Engine specs

Engine #1

Engine code
B58B30
Power
340 Hp @ 5000-6500 rpm.
Power per litre
113.4 Hp/l
Torque
500 Nm @ 1600-4500 rpm.
Engine displacement
2998 cm3
Number of cylinders
6
Position of cylinders
Inline
Cylinder bore
82 mm
Piston stroke
94.6 mm
Compression ratio
11
Number of valves per cylinder
4
Fuel system
Direct injection
Fuel type
Petrol (Gasoline)
Turbine
Twin-power turbo

Space volume and weights

Curb weight (kg)

1880 kg

Max weight (kg)

2400 kg

Fuel tank capacity (l)

68 l

Trunk boot space minimum (l)

280 l

Trunk boot space maximum (l)

350 l

Dimensions

Length (mm)

4843 mm

Width (mm)

1902 mm

Height (mm)

1339 mm

Wheelbase (mm)

2822 mm

Front track (mm)

1627 mm

Rear track (mm)

1642 mm

Minimum turning circle turning diameter (mm)

11.9 m

Drivetrain brakes and suspension specs

Drivetrain architecture

The ICE drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.

Drive wheel

All wheel drive (4x4)

Transmission type

automatic

Front suspension system

Double wishbone

Rear suspension system

Multi-link independent

Front brakes

Ventilated discs

Rear brakes

Ventilated discs

Power steering

Electric Steering

Front tires size

245/45 R18 100Y XL; 275/40 R18 103Y XL

Rear tires size

245/45 R18 100Y XL; 275/40 R18 103Y XL

Wheel rims size

8J x 18; 9J x 18

Technology and Operation