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BMW Z4 (G29) M40i (340 Hp) Steptronic 2018, 2019, 2020, 2021
BMW Z4 (G29) M40i (340 Hp) Steptronic 2018, 2019, 2020, 2021
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General information

Name

BMW Z4 (G29) M40i (340 Hp) Steptronic 2018, 2019, 2020, 2021

Brand

BMW
Model

Z4
Generation

Z4 (G29)
Year of production

2018

Number of seats

2

Number of doors

2

Body type

Cabriolet
Powertrain architecture

Internal Combustion engine
Engine Modification

M40i (340 Hp) Steptronic

Power

340 Hp @ 5000-6500 rpm.

Torque (Nm)

500 Nm @ 1600-4500 rpm.

Electrical System

Performance specs

CO2 emissions (g/km)

162-168 g/km

Emission standard

Euro 6 d

Fuel consumption economy urban (l/100 km)

9.2 l/100 km

Fuel consumption economy extra urban (l/100 km)

5.9-6.3 l/100 km

Fuel consumption economy combined (l/100 km)

7.1-7.4 l/100 km

Acceleration 0-100 km/h

4.5 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)

1535 kg

Max weight (kg)

1860 kg

Fuel tank capacity (l)

52 l

Trunk boot space minimum (l)

281 l

Dimensions

Length (mm)

4324 mm

Width (mm)

1864 mm

Height (mm)

1304 mm

Wheelbase (mm)

2470 mm

Front track (mm)

1594 mm

Rear track (mm)

1589 mm

Minimum turning circle turning diameter (mm)

11.0 m

Drivetrain brakes and suspension specs

Drive wheel

All wheel drive (4x4)

Transmission type

8 Steptronic

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

255/40 ZR18; 275/40 ZR18

Rear tires size

255/40 ZR18; 275/40 ZR18

Wheel rims size

9J x 18; 10J x 18

Technology and Operation