BMW X7 2019-present

BMW X7 2019-present Drivetrain Specifications

Detailed technical specifications for the 2019-Present BMW X7 drivetrain system, including engine configurations, xDrive all-wheel drive, transmission, differentials, and performance metrics.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2019-Present BMW X7, including key features, measurements, and technical details

How to Use

Use the search bar to locate specific drivetrain components or specifications by entering keywords such as 'transmission', 'differential', or 'driveshaft'.

Navigate through the drivetrain documentation sections using the table of contents or by scrolling through the document. Each major section is clearly labeled for easy access.

Key Specifications

Transmission Type

8-Speed Automatic (ZF 8HP76)

Maximum Torque

750 Nm (553 lb-ft)

Axle Ratio

3.15:1 (Standard)

0-60 mph (X7 M50i)

4.5 seconds

Top Speed

155 mph (250 km/h)

Available Specifications

Transmission System

Detailed information about the transmission system, including gear ratios, types, and performance specifications

8-Speed Automatic Transmission

Type: ZF 8HP76 8-speed automatic transmission
Gear ratios: 1st - 4.714, 2nd - 3.143, 3rd - 2.106, 4th - 1.667, 5th - 1.285, 6th - 1.000, 7th - 0.839, 8th - 0.667
Reverse gear ratio: 3.317
Maximum torque capacity: 750 Nm (553 lb-ft)
Shift response time: 200 milliseconds

Transmission Control Unit

Integrated adaptive shift logic
Supports manual shifting via paddle shifters
Compatible with BMW xDrive all-wheel-drive system
Includes launch control functionality
Note: Requires regular software updates for optimal performance

Note: The transmission control unit adapts to driving style for improved efficiency and performance.

Driveshaft and Axles

Technical details about the driveshaft, axles, and their specifications

Driveshaft Configuration

Material: High-strength steel with carbon fiber reinforcement
Length: 1,250 mm (49.2 in)
Diameter: 80 mm (3.15 in)
Maximum rotational speed: 6,500 rpm
Weight: 12.5 kg (27.6 lbs)

Axle Specifications

Front axle: Double-wishbone suspension with integrated differential
Rear axle: Multi-link suspension with active rear differential
Axle ratio: 3.15:1 (standard), 3.73:1 (optional)
Maximum axle load: 1,500 kg (3,307 lbs)
Note: Axle ratios vary based on engine and drivetrain configuration

Differential System

Information about the differential system, including types and performance features

xDrive All-Wheel Drive System

Type: Electronically controlled multi-plate clutch
Torque distribution: Up to 100% to rear or front axle
Response time: 100 milliseconds
Integrated with Dynamic Stability Control (DSC)
Supports off-road driving modes

Active Rear Differential

Type: Electronically controlled limited-slip differential
Torque vectoring capability: Up to 1,500 Nm (1,106 lb-ft)
Adjustable locking ratio: 0-100%
Integrated with Dynamic Damper Control
Note: Enhances cornering stability and traction

Drivetrain Performance

Performance metrics and specifications for the drivetrain system

Acceleration and Top Speed

0-60 mph (0-97 km/h): 5.3 seconds (X7 xDrive40i)
0-60 mph (0-97 km/h): 4.5 seconds (X7 M50i)
Top speed: 155 mph (250 km/h) (electronically limited)
Note: Performance varies based on engine and drivetrain configuration

Fuel Efficiency

City: 18 mpg (13.1 L/100 km) (X7 xDrive40i)
Highway: 25 mpg (9.4 L/100 km) (X7 xDrive40i)
Combined: 21 mpg (11.2 L/100 km) (X7 xDrive40i)
Note: Fuel efficiency may vary based on driving conditions and load

Search Specifications

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Component Specifications

Engine

Type: TwinPower Turbo inline 6-cylinder

Displacement: 3.0L

Horsepower: 335 hp @ 5500-6500 rpm

Torque: 330 lb-ft @ 1500-5200 rpm

Compression Ratio: 11.0:1

Fuel System: Direct Injection

Transmission

Type: 8-speed automatic

Model: GA8HP75Z

Gear Ratios: 1st: 4.714
2nd: 3.143
3rd: 2.106
4th: 1.667
5th: 1.285
6th: 1.000
7th: 0.839
8th: 0.667
Reverse: 3.317

Fluid Capacity: 9.5 liters

Fluid Type: BMW ATF 3+

Transfer Case

Type: Electronic Transfer Case

Model: VTG 50

Gear Ratio: 2.93:1

Fluid Capacity: 1.2 liters

Fluid Type: BMW TF 0870

Differential

Front: Type: Open Differential
Gear Ratio: 3.15:1
Fluid Capacity: 1.1 liters
Fluid Type: BMW SAF-XO

Rear: Type: Limited Slip Differential
Gear Ratio: 3.15:1
Fluid Capacity: 1.3 liters
Fluid Type: BMW SAF-XO

Driveshaft

Material: Aluminum

Length: 1.5 meters

Diameter: 80 mm

Torque Capacity: 500 Nm

Axles

Front: Type: Independent Suspension
Cv Joint Type: Rzeppa
Axle Shaft Diameter: 32 mm

Rear: Type: Independent Suspension
Cv Joint Type: Rzeppa
Axle Shaft Diameter: 34 mm

Clutch

Type: Torque Converter

Diameter: 240 mm

Material: Ceramic

Engagement Pressure: 2.5 bar

Propeller Shaft

Material: Carbon Fiber

Length: 1.2 meters

Diameter: 75 mm

Torque Capacity: 450 Nm

Cooling System

Coolant Capacity: 12 liters

Coolant Type: BMW Antifreeze

Radiator Type: Aluminum

Thermostat Opening Temperature: 97°C

Lubrication System

Oil Capacity: 6.5 liters

Oil Type: BMW TwinPower Turbo 0W-30

Oil Pump Type: Variable Displacement

Oil Pressure: 3.5 bar @ 2000 rpm

Service Information Service

Detailed service requirements and schedules

10000

Oil and filter change
Inspect brake system
Check tire pressure and condition

Use only BMW-approved fluids and parts

30000

Replace air filter
Inspect drive belts
Check transmission fluid level

Ensure all inspections are performed by a certified technician

60000

Replace spark plugs
Inspect suspension components
Check differential fluid level

Follow BMW's recommended service procedures

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2019-Present BMW X7 use?

The 2019-Present BMW X7 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.

What is the maximum torque capacity of the BMW X7 drivetrain?

The BMW X7 drivetrain is designed to handle up to 750 Nm (553 lb-ft) of torque, depending on the engine variant. For example, the X7 M50i with the 4.4L V8 engine produces 750 Nm, while the xDrive40i with the 3.0L inline-6 engine produces 450 Nm (332 lb-ft).

How does the xDrive system adapt to different driving conditions?

The xDrive system continuously monitors road conditions, wheel speeds, and driver inputs via sensors. It can redistribute torque within milliseconds to the axle with better traction. Additionally, it integrates with Dynamic Stability Control (DSC) to enhance stability during cornering or slippery surfaces.

What is the recommended service interval for the drivetrain components?

BMW recommends inspecting the drivetrain components, including the transfer case and differentials, every 30,000 miles (48,000 km) or as specified in the vehicle's service schedule. Regular fluid changes for the transfer case and differentials are critical to maintaining performance and longevity.

Can the BMW X7 drivetrain be modified for off-road use?

While the BMW X7 is not designed as a dedicated off-road vehicle, its xDrive system and adaptive air suspension provide excellent capability for light off-road use. However, modifications such as lift kits or aggressive tires may void the warranty and should only be performed by certified professionals.

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 X7 xDrive System Technical Guide

Coming Soon

A detailed guide explaining the operation, features, and maintenance of the xDrive all-wheel-drive system in the BMW X7.

BMW X7 Drivetrain Service Manual

Coming Soon

Official service procedures for inspecting, maintaining, and repairing the drivetrain components of the BMW X7.

BMW X7 Drivetrain Warranty Information

Coming Soon

Comprehensive details on the warranty coverage for the drivetrain components, including exclusions and requirements.

BMW X7 Drivetrain Fluid Specifications

Coming Soon

A reference guide for the recommended fluids and capacities for the transfer case, differentials, and other drivetrain components.

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