BMW Z4 (G29) M40i (340 Hp) Steptronic | Technical specs, data, fuel consumption, Dimensions

Key specs

BMW Z4 (G29) M40i (340 Hp) Steptronic /Roadster 2018 - 2022/

What is the body type of BMW Z4 (G29)?

Roadster, 2 Doors, 2 Seats

What is the fuel consumption and economy of BMW Z4 (G29) M40i (340 Hp) Steptronic?

7.1-7.4 l/100 km
33.1 - 31.8 US mpg
39.8 - 38.2 UK mpg
14.1 - 13.5 km/l

How environmentally friendly is BMW Z4 M40i (340 Hp) Steptronic?

162-168 g/km CO₂
Euro 6 d

How fast is 2018 Z4 (G29) M40i (340 Hp) Steptronic?

250 km/h | 155 mph
0-100 km/h: 4.5 sec
0-60 mph: 4.3 sec

What is the power output of BMW Z4 Roadster 2018 M40i (340 Hp) Steptronic?

340 Hp, 500 Nm
369 lb.-ft.

What is the engine displacement of BMW Z4 Roadster 2018 M40i (340 Hp) Steptronic?

3.0 l
2998 cm³
182.95 cu. in.

What is the number of cylinders in 2018 BMW M40i (340 Hp) Steptronic?

6, Inline

What is the drivetrain of BMW Z4 (G29) Roadster 2018 M40i (340 Hp) Steptronic?

All wheel drive (4x4). Internal Combustion engine.

What is the length of 2018 BMW Z4 Roadster?

4324 mm
170.24 in.

What is the width of 2018 BMW Z4 Roadster?

1864 mm
73.39 in.

What is the kerb weight of 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?

1535 kg
3384 lbs.

What is the maximum permissible mass of 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?

1860 kg
4101 lbs.

What is the trunk (boot) capacity of 2018 BMW Z4 Roadster?

281 l
9.9 cu. ft.

What is the number of gears in What is the gearbox type of 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?

8, automatic transmission Steptronic

BMW
- BMW Z4
  - Z4 (G29)
    - M40i (382 Hp) Steptronic
    - M40i (340 Hp) Steptronic
    - 30i (258 Hp) sDrive Steptronic
    - 20i (197 Hp) sDrive Steptronic
    - 20i (197 Hp) sDrive

Compare

General information

Brand

BMW

Model

Generation

Z4 (G29)

Modification (Engine)

M40i (340 Hp) Steptronic

Start of production

2018 year

End of production

2022 year

Powertrain Architecture

Internal Combustion engine

Body type

Roadster

Seats

Doors

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Performance specs

Fuel consumption (economy) - urban

9.2 l/100 km 25.6 US mpg
30.7 UK mpg
10.9 km/l

Fuel consumption (economy) - extra urban

5.9-6.3 l/100 km 39.9 - 37.3 US mpg
47.9 - 44.8 UK mpg
16.9 - 15.9 km/l

Fuel consumption (economy) - combined

7.1-7.4 l/100 km 33.1 - 31.8 US mpg
39.8 - 38.2 UK mpg
14.1 - 13.5 km/l

CO₂ emissions

162-168 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

4.5 sec

Acceleration 0 - 62 mph

4.5 sec

Acceleration 0 - 60 mph (Calculated by Auto-Data.net)

4.3 sec

Maximum speed

250 km/h 155 mph

Emission standard

Euro 6 d

Weight-to-power ratio

4.5 kg/Hp, 221.5 Hp/tonne

Weight-to-torque ratio

3.1 kg/Nm, 325.7 Nm/tonne

Engine specs

Power

340 Hp @ 5000-6500 rpm.

Power per litre

113.4 Hp/l

Torque

500 Nm @ 1600-4500 rpm. 369 lb.-ft. @ 1600-4500 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

B58B30C

Engine displacement

2998 cm³ 182.95 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

82 mm 3.23 in.

Piston Stroke

94.6 mm 3.72 in.

Compression ratio

11:1

Number of valves per cylinder

Fuel injection system

Direct injection

Engine aspiration

TwinPower Turbo, Intercooler

Engine oil capacity

6.5 l 6.87 US qt | 5.72 UK qt

Engine oil specification

Coolant

10.5 l 11.1 US qt | 9.24 UK qt

Engine systems

Particulate filter

Volume and weights

Kerb Weight

1535 kg 3384 lbs.

Max. weight

1860 kg 4101 lbs.

Max load

325 kg 717 lbs.

Trunk (boot) space - minimum

281 l 9.9 cu. ft.

Fuel tank capacity

52 l 13.74 US gal | 11.44 UK gal

Dimensions

Length

4324 mm 170.24 in.

Width

1864 mm 73.39 in.

Width including mirrors

2024 mm 79.69 in.

Height

1304 mm 51.34 in.

Wheelbase

2470 mm 97.24 in.

Front track

1594 mm 62.76 in.

Rear (Back) track

1589 mm 62.56 in.

Front overhang

907 mm 35.71 in.

Rear overhang

947 mm 37.28 in.

Ride height (ground clearance)

114 mm 4.49 in.

Drag coefficient (C_d)

0.31

Minimum turning circle (turning diameter)

11.0 m 36.09 ft.

Drivetrain, brakes and suspension specs

Drive wheel

All wheel drive (4x4)

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

255/40 ZR18; 275/40 ZR18

Wheel rims size

9J x 18; 10J x 18

Specs of BMW Z4 (G29) M40i (340 Hp) Steptronic /2018, 2019, 2020, 2021, 2022/