BMW X4 2018-present Drivetrain Specifications
Detailed technical specifications and service procedures for the 2018-Present BMW X4 drivetrain system. Includes xDrive all-wheel-drive components, transmission, differential, and axle assembly details.
Overview Specifications
Comprehensive description of the drivetrain specifications for the 2018-Present BMW X4, including key features, measurements, and technical details
How to Use
Use the search bar to find specific drivetrain components or specifications by entering keywords such as 'transmission', 'differential', or 'driveshaft'.
Navigate through the drivetrain documentation by clicking on the section headers in the table of contents or using the sidebar menu.
Key Specifications
Transmission Type
8-Speed Steptronic Sport Automatic
Maximum Torque
600 Nm (X4 M Competition)
0-60 mph Acceleration
4.1 seconds (X4 M Competition)
Driveshaft Material
Carbon Fiber Reinforced Polymer (CFRP)
Fuel Efficiency
8.5 L/100 km (X4 xDrive30i)
Available Specifications
Transmission System
Detailed information about the transmission system, including gear ratios, types, and performance specifications
Transmission System
Detailed information about the transmission system, including gear ratios, types, and performance specifications
8-Speed Automatic Transmission
- Gear ratios: 1st (4.71), 2nd (3.14), 3rd (2.11), 4th (1.67), 5th (1.29), 6th (1.00), 7th (0.84), 8th (0.67)
- Reverse gear ratio: 3.30
- Maximum torque capacity: 500 Nm
- Transmission type: Steptronic Sport Automatic
- Shift times: 200 ms in Sport mode
xDrive All-Wheel Drive System
- Torque distribution: 40% front, 60% rear (default)
- Dynamic Performance Control for torque vectoring
- Integrated with DSC (Dynamic Stability Control)
- Adaptive AWD system for varying road conditions
Note: The xDrive system can redistribute torque up to 100% to either axle depending on traction requirements.
Differential and Driveshaft
Technical details about the differential and driveshaft components, including specifications and performance features
Differential and Driveshaft
Technical details about the differential and driveshaft components, including specifications and performance features
Rear Differential
- Type: Electronically controlled limited-slip differential
- Locking ratio: Up to 100% under extreme conditions
- Cooling system: Integrated oil cooler
- Weight: 22.5 kg
Driveshaft
- Material: Carbon fiber reinforced polymer (CFRP)
- Length: 1,250 mm
- Maximum rotational speed: 8,500 rpm
- Weight reduction: 40% compared to steel driveshafts
Note: The CFRP driveshaft enhances efficiency and reduces rotational mass.
Engine Integration
Details on how the drivetrain integrates with the engine, including power delivery and performance metrics
Engine Integration
Details on how the drivetrain integrates with the engine, including power delivery and performance metrics
Power Delivery
- Engine output: 248 hp (X4 xDrive30i) to 503 hp (X4 M Competition)
- Torque output: 350 Nm (X4 xDrive30i) to 600 Nm (X4 M Competition)
- 0-60 mph acceleration: 4.1 seconds (X4 M Competition)
- Top speed: 155 mph (electronically limited)
Fuel Efficiency
- Combined fuel consumption: 8.5 L/100 km (X4 xDrive30i)
- CO2 emissions: 194 g/km (X4 xDrive30i)
- Start-stop technology for improved efficiency
- Eco Pro mode for optimized fuel economy
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Transmission
- Type
- 8-speed automatic (Steptronic)
- Model
- GA8HP50Z
- Gear Ratios
- 1st: 4.7142nd: 3.1433rd: 2.1064th: 1.6675th: 1.2856th: 1.0007th: 0.8398th: 0.667Reverse: 3.317
- Fluid Capacity
- 9.5 liters
- Fluid Type
- BMW ATF 3+
- Part Number
- 83222409786
- Operational Temperature Range
- -40°C to 150°C
- Torque Capacity
- 500 Nm
Transfer Case
- Type
- All-wheel drive (xDrive)
- Model
- VTG-350
- Gear Ratio
- 2.81:1
- Fluid Capacity
- 1.2 liters
- Fluid Type
- BMW TF0870
- Part Number
- 27108695059
- Operational Temperature Range
- -40°C to 120°C
- Torque Distribution
- 40:60 (front:rear)
Differential
- Front
- Type: Open differentialGear Ratio: 3.15:1Fluid Capacity: 0.8 litersFluid Type: BMW SAF-XOPart Number: 33117525064Operational Temperature Range: -40°C to 120°C
- Rear
- Type: Limited-slip differentialGear Ratio: 3.15:1Fluid Capacity: 1.1 litersFluid Type: BMW SAF-XOPart Number: 33117525065Operational Temperature Range: -40°C to 120°C
Driveshaft
- Material
- Aluminum
- Length
- 1.2 meters
- Diameter
- 80 mm
- Part Number
- 26107585213
- Torque Capacity
- 600 Nm
- Operational Speed Limit
- 6000 rpm
Axles
- Front
- Type: CV jointPart Number: 31207585214Torque Capacity: 450 NmOperational Angle Limit: 45 degrees
- Rear
- Type: CV jointPart Number: 33207585215Torque Capacity: 450 NmOperational Angle Limit: 45 degrees
Clutch
- Type
- Wet multi-plate
- Part Number
- 21507585216
- Torque Capacity
- 500 Nm
- Operational Temperature Range
- -40°C to 150°C
- Fluid Type
- BMW MTF-LT-3
- Fluid Capacity
- 1.5 liters
Propeller Shaft
- Material
- Carbon fiber
- Length
- 1.5 meters
- Diameter
- 90 mm
- Part Number
- 26107585217
- Torque Capacity
- 700 Nm
- Operational Speed Limit
- 6500 rpm
Mounts
- Engine Mount
- Type: HydraulicPart Number: 22117585218Torque Capacity: 300 NmOperational Temperature Range: -40°C to 120°C
- Transmission Mount
- Type: HydraulicPart Number: 22317585219Torque Capacity: 300 NmOperational Temperature Range: -40°C to 120°C
Sensors
- Wheel Speed Sensor
- Type: Hall effectPart Number: 34527585220Operational Temperature Range: -40°C to 150°COutput Signal: Pulse width modulation
- Transmission Temperature Sensor
- Type: ThermistorPart Number: 24687585221Operational Temperature Range: -40°C to 150°COutput Signal: Analog voltage
Diagnostics
- Fault Codes
-
- P0700 - Transmission Control System Malfunction
- P0715 - Input/Turbine Speed Sensor Circuit Malfunction
- P0730 - Incorrect Gear Ratio
- P1700 - Transfer Case Control System Malfunction
- Diagnostic Tools
-
- BMW ISTA+
- OBD-II Scanner
- Diagnostic Procedures
-
- Check transmission fluid level and condition
- Inspect wiring and connectors for damage
- Perform road test to verify fault
Service Information Service
Detailed service requirements and schedules for the drivetrain system
- Inspect transmission fluid level and condition
- Check transfer case fluid level
- Inspect driveshaft and propeller shaft for wear
- Check differential fluid levels
Replace fluids if contamination or degradation is detected
- Replace transmission fluid and filter
- Replace transfer case fluid
- Replace differential fluids
- Inspect and replace worn mounts
Use only BMW-approved fluids and parts
- Inspect and replace clutch components if necessary
- Check and replace propeller shaft if worn
- Inspect and replace axle CV joints if necessary
- Perform full diagnostic scan of drivetrain system
Follow BMW-recommended procedures for component replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of drivetrain does the 2018-Present BMW X4 use?
What type of drivetrain does the 2018-Present BMW X4 use?
The 2018-Present BMW X4 is equipped with an intelligent all-wheel-drive system known as xDrive. This system dynamically distributes power between the front and rear axles, with a default 40:60 front-to-rear torque split, ensuring optimal traction and stability in various driving conditions.
Q2 What is the maximum torque capacity of the BMW X4 drivetrain?
What is the maximum torque capacity of the BMW X4 drivetrain?
The maximum torque capacity of the BMW X4 drivetrain varies by engine model. For example, the X4 M40i can handle up to 500 Nm (369 lb-ft) of torque, while the X4 M Competition can manage up to 600 Nm (443 lb-ft) of torque, ensuring robust performance across all trims.
Q3 How does the xDrive system improve handling in the BMW X4?
How does the xDrive system improve handling in the BMW X4?
The xDrive system in the BMW X4 continuously monitors driving conditions and adjusts torque distribution between the front and rear axles in milliseconds. It works in conjunction with Dynamic Stability Control (DSC) to enhance cornering stability, reduce understeer, and improve overall handling precision.
Q4 Can the BMW X4 drivetrain be serviced independently, or does it require specialized tools?
Can the BMW X4 drivetrain be serviced independently, or does it require specialized tools?
Servicing the BMW X4 drivetrain, including the xDrive system, requires specialized tools and diagnostic equipment. Tasks such as fluid changes, transfer case maintenance, and differential servicing should only be performed by certified BMW technicians to ensure proper functionality and avoid warranty issues.
Q5 What type of transmission is paired with the BMW X4 drivetrain?
What type of transmission is paired with the BMW X4 drivetrain?
The BMW X4 is equipped with an 8-speed Steptronic automatic transmission, which is designed to provide smooth and efficient gear shifts. This transmission is paired with the xDrive system to deliver a seamless driving experience across all terrains.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW xDrive System Overview
Coming SoonA detailed guide explaining the functionality and benefits of the xDrive all-wheel-drive system in BMW vehicles, including the X4.
BMW X4 Drivetrain Maintenance Schedule
Coming SoonOfficial maintenance schedule for the BMW X4 drivetrain, including recommended service intervals and procedures.
BMW X4 Drivetrain Technical Specifications
Coming SoonComprehensive technical specifications for the BMW X4 drivetrain, including torque capacity, gear ratios, and system components.
BMW X4 Drivetrain Troubleshooting Guide
Coming SoonA troubleshooting guide for common drivetrain issues in the BMW X4, including diagnostic codes and repair recommendations.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
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