BMW Z4 Roadster (G29 LCI, facelift 2022)
M40i (340 Hp) Steptronic
2022 – 2026 · Petrol · Rear-wheel drive · 8-speed Steptronic automatic
- Power
- 340 Hp
- 0–100 km/h
- 4.5 s
- Top speed
- 250 km/h155 mph
- Combined
- 7.9 - 8.1 l/100 km29.0 - 29.8 mpg
General information
- Brand
- BMW
- Model
- Z4
- Generation
- Z4 Roadster (G29 LCI, facelift 2022)
- Modification (Engine)
- M40i (340 Hp) Steptronic
- Start of production
- September, 2022
- End of production
- March, 2026
- Powertrain architecture
- Internal combustion engine
- Body type
- Roadster
- Seats
- 2
- Doors
- 2
Performance specs
- Fuel consumption (combined)
- 7.9 - 8.1 l/100 km29.0 - 29.8 mpg
- Consumption test cycle
- WLTP
- CO2 emissions
- 179 - 184 g/km288 - 296 g/mi
- Fuel type
- Petrol (Gasoline)
- Acceleration 0 - 100 km/h
- 4.5 s
- Acceleration 0 - 60 mph (calculated)
- 4.3 s
- Acceleration 0 - 200 km/h
- —
- Maximum speed
- 250 km/h155 mph
- Emission standard
- Euro 6d
- Weight-to-power ratio
- 4.6 kg/Hp10.1 lb/Hp
- Weight-to-torque ratio
- 3.1 kg/Nm9.3 lb/lb-ft
Engine specs
- Power
- 340 Hp
- Power at
- 5000 - 6500 rpm
- Power per litre
- 113.4
- Torque
- 500 Nm369 lb-ft
- Torque at
- 1600 - 4500 rpm
- Engine layout
- Front, longitudinal
- Engine model/code
- B58
- Engine displacement
- 2998 cm³2998 cm³ (183 cu in)
- Number of cylinders
- 6
- Engine configuration
- Inline
- Cylinder bore
- 82 mm3.2 in
- Piston stroke
- 94.6 mm3.7 in
- Compression ratio
- 11 : 1
- Number of valves per cylinder
- 4
- Fuel injection system
- Direct injection
- Engine aspiration
- TwinPower Turbo, intercooler
- Engine oil capacity
- 6.5 l1.7 gal
- Engine systems
- Start & Stop System, Particulate filter
Space, volume and weights
- Kerb weight
- 1565 kg3450 lb
- Max. weight
- 1860 kg4101 lb
- Max load
- 295 kg650 lb
- Trunk (boot) space - minimum
- 281 l74.2 gal
- Fuel tank capacity
- 52 l13.7 gal
Dimensions
- Length
- 4324 mm170.2 in
- Width
- 1864 mm73.4 in
- Height
- 1304 mm51.3 in
- Wheelbase
- 2470 mm97.2 in
- Front track
- 1594 mm62.8 in
- Rear (Back) track
- 1589 mm62.6 in
- Ride height (ground clearance)
- 114 mm4.5 in
- Drag coefficient (Cd)
- 0.31
- Minimum turning circle
- 11 m36.1 ft
Drivetrain, brakes and suspension
- Drive wheel
- Rear-wheel drive
- Number of gears and type of gearbox
- 8 gears, automatic transmission Steptronic
- Front suspension
- Suspension strut
- 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
- Front 255/40 R18; Rear 275/40 R18
- Wheel rims size
- Front 9J x 18; Rear 10J x 18