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Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic

General information
Photo of 2021 - Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic SAC (360 Hp) - technical specs and dimensions
Power 360 Hp @ 5200-6500 rpm.
Torque 500 Nm @ 1900-5000 rpm.
Acceleration 0 - 100 km/h 4.9 sec
Maximum speed 250 km/h, Electronically limited
Brand
BMW
Model
X4
Generation
X4 (G02 LCI, facelift 2021)
Modification (Engine)
M40i (360 Hp) Mild Hybrid xDrive Steptronic
Start of production
2021 year
Powertrain Architecture
MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
SAC
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
5
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Bmw X4 Review

As a SAC model, the Bmw X4 X4 (G02 LCI, facelift 2021) (M40d (340 Hp) Mild Hybrid xDrive Steptronic) has been in production since 2021. The heart of the vehicle is a 2998 cm3 internal combustion engine producing 360 Hp @ 5200-6500 rpm.. It reaches a top speed of 250 km/h, Electronically limited and can complete the 0-100 km/h sprint in 4.9 sec. The specific power of 120.1 Hp/l highlights the efficiency of this engine setup. The power is delivered smoothly across 6 cylinders.

The Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic entered the market in 2021 -, aiming to set new benchmarks through its design and technical capabilities. Technically satisfying, the model responds to driver expectations with its 360 Hp @ 5200-6500 rpm. unit. Technical documentation cites a top speed of **250 km/h, Electronically limited. It demonstrates a steady character and inspires confidence through its handling. Whether for performance or efficiency, this model remains a successful example in today's market.
📊 Model Comparison AnalysisThis model delivers **+176 Hp** more power compared to its sibling 20d (190 Hp) Mild Hybrid xDrive Steptronic, is **3.5 seconds** faster from 0 to 100 km/h. This model delivers **+74 Hp** more power compared to its sibling 20i (184 Hp) Mild Hybrid xDrive Steptronic, is **0.8 seconds** faster from 0 to 100 km/h.
FAQ
How many horsepower does Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic have? +
The Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic model is equipped with an engine producing 360 Hp @ 5200-6500 rpm. total horsepower.
What is the 0-100 km/h acceleration of Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic? +
The Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic can accelerate from 0 to 100 km/h in just 4.9 sec.
What is the top speed of Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic? +
According to technical specs, the maximum speed of the vehicle is 250 km/h, Electronically limited.
What drivetrain does the Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic have? +
This model transfers power to the road via a All wheel drive (4x4) drivetrain.
Is the Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic a good car? +
Considering the technical specs and market position, the Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic is a highly competitive and desirable model in its class.
Is Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic reliable? +
The Bmw M40d (340 Hp) Mild Hybrid xDrive Steptronic is built with high engineering standards and is generally considered a reliable vehicle with proper maintenance.
Performance specs
Combined fuel consumption (WLTP)
8.7-9.5 l/100 km
CO2 emissions (WLTP)
198-215 g/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 - 100 km/h
4.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 62 mph
4.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 60 mph (Calculated by User)
4.7 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
Euro 6d
Weight-to-power ratio
5.3 kg/Hp, 187.5 Hp/tonne
Weight-to-torque ratio
3.8 kg/Nm, 260.4 Nm/tonne
Electric cars and hybrids specs
Electric motor power
11 Hp
Electric motor location
Front, Longitudinal
Internal combustion engine specs
Power
360 Hp @ 5200-6500 rpm.
Power per litre
120.1 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 @ 1900-5000 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
B58B30B
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
10.2:1
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
7.2 l
Engine systems
Start & Stop SystemParticulate filter
Space, Volume and weights
Kerb Weight
1920 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
2500 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
580 kg
Trunk (boot) space - minimum
525 l
Trunk (boot) space - maximum
1430 l
Fuel tank capacity
65 l
Max. roof load
100 kg
Permitted trailer load with brakes (12%)
2400 kg
Permitted trailer load without brakes
750 kg
Permitted towbar download
100 kg
Dimensions
Length
4752 mm
Width
1938 mm
Height
1621 mm
Wheelbase
2864 mm
Front track
1615 mm
Rear / Back Track
1624 mm
Ride height (ground clearance)
204 mm
Drag coefficient (Cd)
0.33-0.35
Minimum turning circle (turning diameter)
12.1 m
Approach angle
25°
Departure angle
22.2°
Ramp/Breakover angle
20°
Wading depth
500 mm
Drivetrain, brakes and suspension specs
Drivetrain Architecture
The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
All wheel drive (4x4)
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
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Rear suspension
Independent multi-link suspension
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: 245/45 R20Rear wheel tires: 275/40 R20
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: 8J x 20Rear wheel rims: 9.5J x 20
Common OBD2 Fault Codes
3100 🔴 High
BMW Boost Pressure Control: Deactivation
Diagnostic Guide
4801 🟡 Medium
BMW DSC: Pressure Sensor Failure
Diagnostic Guide
5DE0 🟢 Low
BMW Brake Pad Wear Sensor: Line Fault
Diagnostic Guide
9C69 🟡 Medium
BMW Stratification Potentiometer Fault
Diagnostic Guide
Similar Models
Bmw X4 20d (190 Hp) Mild Hybrid xDrive Steptronic
Bmw X4
20d (190 Hp) Mild Hybrid xDrive Steptronic
Bmw X4 20d (190 Hp) xDrive Steptronic
Bmw X4
20d (190 Hp) xDrive Steptronic
Bmw X4 20i (184 Hp) xDrive Steptronic
Bmw X4
20i (184 Hp) xDrive Steptronic
Bmw X4 25d (231 Hp) xDrive Steptronic
Bmw X4
25d (231 Hp) xDrive Steptronic
User Reviews
H
Henry 90
18 months ago
★★★★☆
Perfect size and choice for our small family. The engine is snappy, great response time. The exterior design looks sharp and modern in person. Planning to keep it for a long time.
•
L
Leo Z.
19 months ago
★★★☆☆
How is the long-term reliability of this model?
•
O
Oscar 84
10 months ago
★★★★☆
How is the long-term reliability of this model?
•
T
Thomas Z.
21 days ago
★★★★★
Anyone knows the real-world N/A usage?
•
G
George T.
2 weeks ago
★★★★★
Bought a used model in great condition last year. The 360 Hp @ 5200-6500 rpm. hp feels more than enough for daily driving. The exterior design looks sharp and modern in person. Definitely a solid choice in this price range.
•
J
Jack T.
15 months ago
★★★★★
Just picked mine up last week! Very responsive throttle, makes highway overtaking a breeze. Spacious interior and practical cargo capacity. If you're undecided, just go for it.
•
W
William 92
2 months ago
★★★★★
Decided on this after deep research. The engine is snappy, great response time. Spacious interior and practical cargo capacity. No regrets so far, extremely happy with my purchase.
•

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