Bmw M40i (382 Hp) Steptronic
General information
| Power | 382 Hp @ 5000-6500 rpm. |
|---|---|
| Torque | 500 Nm @ 1600-4500 rpm. |
| Maximum speed | 250 km/h, Electronically limited |
| Brand |
BMW
|
|---|---|
| Model |
Z4
|
| Generation |
Z4 (G29)
|
| Modification (Engine) |
M40i (382 Hp) Steptronic
|
| Start of production |
September, 2018 year
|
| End of production |
2022 year
|
| Powertrain Architecture |
Internal Combustion engine
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
|
| Body type |
Roadster
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
|
| Seats |
2
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
|
| Doors |
2
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).
|
FAQ
Performance specs
| Fuel consumption economy urban (EPA) |
9.8 l/100 km
|
|---|---|
| Fuel consumption economy extra urban (EPA) |
7.6 l/100 km
|
| Fuel consumption economy combined (EPA) |
9 l/100 km
|
| Fuel Type |
Petrol (Gasoline)
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
|
| Acceleration 0 - 60 mph |
3.9 sec
|
| Maximum speed |
250 km/h, Electronically limited
Maximum speed represents the upper limit of velocity the vehicle can reach, limited by gear ratios, engine power, and aerodynamic resistance.
|
| Emission standard |
LEV III
|
| Weight-to-power ratio |
4.1 kg/Hp, 244.6 Hp/tonne
|
| Weight-to-torque ratio |
3.1 kg/Nm, 320.1 Nm/tonne
|
Engine specs
| Power |
382 Hp @ 5000-6500 rpm.
|
|---|---|
| Power per litre |
127.4 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
|
| Torque |
500 Nm @ 1600-4500 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
|
| Engine layout |
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
|
| Engine Model Code |
B58B30O1
|
| Engine displacement |
2998 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
|
| Number of cylinders |
6
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
|
| Engine configuration |
Inline
|
| Cylinder bore |
82 mm
|
| Piston stroke |
94.6 mm
|
| Compression ratio |
11:1
|
| Number of valves per cylinder |
4
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
|
| Fuel injection system |
Direct injection
|
| Engine aspiration |
Twin-power turbo, Intercooler
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
|
| Valvetrain |
VALVETRONIC, Double-VANOS
|
| Engine oil capacity |
6.5 l
|
| Engine systems |
Start & Stop System
|
Space, Volume and weights
| Kerb Weight |
1562 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
|---|---|
| Max. weight |
1856 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
| Max. load |
294 kg
|
| Trunk (boot) space - minimum |
280 l
|
| Fuel tank capacity |
52 l
|
Dimensions
| Length |
4336 mm
|
|---|---|
| Width |
1864 mm
|
| Width including mirrors |
2024 mm
|
| Height |
1306 mm
|
| Wheelbase |
2470 mm
|
| Front track |
1595 mm
|
| Rear / Back Track |
1590 mm
|
| Front overhang |
919 mm
|
| Rear overhang |
947 mm
|
| Ride height (ground clearance) |
120 mm
|
| Drag coefficient (Cd) |
0.29-0.35
|
| Minimum turning circle (turning diameter) |
11 m
|
Drivetrain, brakes and suspension specs
| Drivetrain Architecture |
The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
|
|---|---|
| Drive wheel |
Rear wheel drive
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
|
| Number of gears and type of gearbox |
8 gears, automatic transmission Steptronic
|
| Front suspension |
Spring Strut, Transverse stabilizer
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
|
| Rear suspension |
Independent multi-link spring suspension with stabilizer
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
|
| Front brakes |
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
|
| Rear brakes |
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
|
| Assisting systems |
ABS (Anti-lock braking system)
|
| Steering type |
Steering rack and pinion
|
| Power steering |
Electric Steering
|
| Tires size |
Front wheel tires: 255/40 R18; 255/35 R19Rear wheel tires: 275/40 R18; 275/35 R19
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
|
| Wheel rims size |
Front wheel rims: 9J x 18; 9J x 19Rear wheel rims: 10J x 18; 10J x 19
|
Common OBD2 Fault Codes
Similar Models
User Reviews
W
William T.
11 weeks ago
★★★★☆
Switched from a different brand. Engine performance exceeded my expectations. Interior quality is premium for this class. If you're undecided, just go for it.
•
L
Leo 90
6 days ago
★★★★★
Decided on this after deep research. The 382 Hp @ 5000-6500 rpm. hp feels powerful on the road. Suspension handles bumps and rough roads very smoothly. Worth every single penny spent.
•
H
Harry 92
10 weeks ago
★★★★☆
How is the long-term reliability of this model?
•
G
George Z.
22 months ago
★★★★★
Been driving it for 3 months now. N/A efficiency is surprisingly good for this class. The handling in corners is very safe. No regrets so far, extremely happy with my purchase.
•
G
George 84
13 months ago
★★★★☆
Got this car a few months ago. Acceleration is punchy and satisfying. The infotainment is fast and lag-free. I highly recommend it, won't disappoint.
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