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2018 BMW Z4 (G29) M40i (340 Hp) Steptronic

2018 BMW Z4 (G29) - Photo 1
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Key specs

BMW Z4 Roadster 2018, 2019, 2020, 2021, 2022

What is the body type, BMW Z4 (G29)?Roadster, 2 Doors, 2 Seats
What is the fuel economy, BMW Z4 (G29) M40i (340 Hp) Steptronic?7.1-7.4 l/100 km
33.13 - 31.79 US mpg
39.79 - 38.17 UK mpg
14.08 - 13.51 km/l
How ECO is the car, BMW Z4 M40i (340 Hp) Steptronic?162-168 g/km CO2
Euro 6 d
How fast is the car, 2018 Z4 (G29) M40i (340 Hp) Steptronic?250 km/h | 155.34 mph
0-100 km/h: 4.5 sec
0-60 mph: 4.3 sec
How much power, BMW Z4 Roadster 2018 M40i (340 Hp) Steptronic?340 Hp, 500 Nm
368.78 lb.-ft.
What is the engine size, BMW Z4 Roadster 2018 M40i (340 Hp) Steptronic?3.0 l
2998 cm3
182.95 cu. in.
How many cylinders, 2018 BMW M40i (340 Hp) Steptronic?6, Inline
What is the drivetrain, BMW Z4 (G29) Roadster 2018 M40i (340 Hp) Steptronic?All wheel drive (4x4). Internal Combustion engine.
How long is this vehicle, 2018 BMW Z4 Roadster?4324 mm
170.24 in.
How wide is the vehicle, 2018 BMW Z4 Roadster?1864 mm
73.39 in.
What is the curb weight, 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?1535 kg
3384.1 lbs.
What is the gross weight, 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?1860 kg
4100.6 lbs.
How much trunk (boot) space, 2018 BMW Z4 Roadster?281 l
9.92 cu. ft.
How many gears, What type is the gearbox, 2018 BMW Z4 (G29) M40i (340 Hp) Steptronic?8, automatic transmission Steptronic

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

General information
BrandBMW
Model Z4
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 typeRoadster
Seats 2
Doors 2
Performance specs
Fuel consumption (economy) - urban 9.2 l/100 km 25.57 US mpg
30.7 UK mpg
10.87 km/l
Fuel consumption (economy) - extra urban 5.9-6.3 l/100 km 39.87 - 37.34 US mpg
47.88 - 44.84 UK mpg
16.95 - 15.87 km/l
Fuel consumption (economy) - combined 7.1-7.4 l/100 km 33.13 - 31.79 US mpg
39.79 - 38.17 UK mpg
14.08 - 13.51 km/l
CO2 emissions162-168 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 - 100 km/h4.5 sec
Acceleration 0 - 62 mph4.5 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net) 4.3 sec
Maximum speed 250 km/h 155.34 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. 368.78 lb.-ft. @ 1600-4500 rpm.
Engine layout Front, Longitudinal
Engine Model/Code B58B30C
Engine displacement 2998 cm3 182.95 cu. in.
Number of cylinders 6
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 4
Fuel injection system Direct injection
Engine aspiration Twin-power turbo, Intercooler
Engine oil capacity 6.5 l 6.87 US qt | 5.72 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 10.5 l 11.1 US qt | 9.24 UK qt
Engine systemsParticulate filter
Space, Volume and weights
Kerb Weight 1535 kg 3384.1 lbs.
Max. weight 1860 kg 4100.6 lbs.
Max load 325 kg 716.5 lbs.
Trunk (boot) space - minimum 281 l 9.92 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 (Cd) 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 brakesVentilated discs
Rear brakesVentilated discs
Assisting systemsABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 255/40 ZR18; 275/40 ZR18
Wheel rims size9J x 18; 10J x 18