BMW M8 2019-present

BMW M8 2019-present Drivetrain Specifications

Detailed technical specifications and maintenance guidelines for the 2019-Present BMW M8 drivetrain system, including engine, transmission, differential, and xDrive all-wheel drive components.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2019-Present BMW M8, including key features, measurements, and technical details

How to Use

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

Navigate through the drivetrain documentation by selecting the desired section from the table of contents or using the sidebar menu for quick access to subsections.

Key Specifications

Engine Displacement

4.4 liters

Max Power Output

617 hp (460 kW)

Max Torque

553 lb-ft (750 Nm)

Transmission

8-speed M Steptronic

0-60 mph Acceleration

3.1 seconds

Available Specifications

Engine and Transmission

Details about the engine and transmission system, including performance metrics and technical specifications

Engine Specifications

4.4-liter BMW M TwinPower Turbo V8 engine
Max power output: 617 hp (460 kW) at 6000 rpm
Max torque: 553 lb-ft (750 Nm) at 1800-5600 rpm
Compression ratio: 10.5:1
Direct injection with High Precision Injection

Transmission System

8-speed M Steptronic automatic transmission with Drivelogic
Integrated M xDrive all-wheel-drive system
0-60 mph acceleration: 3.1 seconds (M8 Competition)
Top speed: 190 mph (305 km/h) with optional M Driver's Package
Adaptive shift characteristics for sport and comfort modes

Note: The Drivelogic system allows for customizable shift patterns to suit driving preferences.

Differential and Driveshaft

Technical details about the differential and driveshaft components, including performance and design features

Active M Differential

Electronically controlled multi-plate limited-slip differential
Torque distribution: 0-100% between rear wheels
Integrated with DSC (Dynamic Stability Control) for enhanced traction
Optimized for high-performance cornering and stability
Weight: 22.5 lbs (10.2 kg)

Driveshaft Design

Carbon fiber reinforced driveshaft for reduced weight
Length: 1.2 meters (47.2 inches)
Torsional stiffness: 18,000 Nm/degree
Designed to handle up to 750 Nm of torque
Integrated with M xDrive for seamless power distribution

Note: The carbon fiber driveshaft contributes to improved handling and reduced rotational mass.

Suspension and Chassis

Information about the suspension and chassis components that support the drivetrain system

Adaptive M Suspension

Double-wishbone front axle and five-link rear axle
Electronically controlled dampers with Comfort, Sport, and Sport+ modes
Ride height: 4.7 inches (120 mm) ground clearance
Active roll stabilization for reduced body roll
Integrated with M xDrive for dynamic handling

Chassis Specifications

Aluminum-intensive construction for weight reduction
Torsional rigidity: 40,000 Nm/degree
Weight distribution: 52% front, 48% rear
Track width: 64.6 inches (1,640 mm) front, 63.6 inches (1,615 mm) rear
Integrated cooling ducts for brakes and drivetrain

Note: The lightweight chassis enhances agility and performance.

Braking System

Details about the braking system, including performance and integration with the drivetrain

M Compound Brakes

6-piston fixed calipers at the front, single-piston floating calipers at the rear
Front rotor diameter: 15.6 inches (395 mm), rear rotor diameter: 14.6 inches (370 mm)
Brake pad material: high-performance compound for reduced fade
Integrated with DSC for optimized braking performance
Weight: 22 lbs (10 kg) per front brake assembly

Optional M Carbon Ceramic Brakes

Front rotor diameter: 16.1 inches (410 mm), rear rotor diameter: 15.0 inches (380 mm)
Weight reduction: 50 lbs (22.7 kg) compared to standard brakes
Enhanced heat resistance for track performance
Integrated with M xDrive for dynamic braking distribution
Service life: up to 50% longer than standard brakes

Note: Carbon ceramic brakes are recommended for high-performance driving and track use.

Search Specifications

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Component Specifications

Engine

Type: S63 4.4L V8 TwinPower Turbo

Displacement: 4395 cc

Power Output: 600 hp @ 6000 rpm

Torque: 553 lb-ft @ 1800-5600 rpm

Compression Ratio: 10.5:1

Fuel System: Direct Injection

Part Number: 11-00-8-618-123

Transmission

Type: 8-speed M Steptronic automatic

Gear Ratios: 1st: 5.000:1
2nd: 3.200:1
3rd: 2.143:1
4th: 1.720:1
5th: 1.314:1
6th: 1.000:1
7th: 0.822:1
8th: 0.640:1
Reverse: 3.713:1

Part Number: 24-00-8-618-456

Fluid Capacity: 9.5 liters

Fluid Type: BMW ATF 3

Transfer Case

Type: M xDrive all-wheel drive

Torque Distribution: Front: 0-50%
Rear: 50-100%

Part Number: 27-00-8-618-789

Fluid Capacity: 1.2 liters

Fluid Type: BMW TF 0870

Differential

Front: Type: Electronic Limited Slip Differential (eLSD)
Ratio: 2.81:1
Part Number: 33-10-8-618-321
Fluid Capacity: 1.0 liter
Fluid Type: BMW SAF-XJ

Rear: Type: Active M Differential
Ratio: 2.81:1
Part Number: 33-10-8-618-322
Fluid Capacity: 1.2 liters
Fluid Type: BMW SAF-XJ

Driveshaft

Material: Carbon Fiber Reinforced Polymer (CFRP)

Length: 1.5 meters

Part Number: 26-10-8-618-654

Torque Capacity: 800 Nm

Operational Speed Limit: 8000 rpm

Axles

Front: Type: Double Wishbone
Part Number: 31-10-8-618-987
Torque Capacity: 600 Nm
Operational Speed Limit: 7500 rpm

Rear: Type: Multi-Link
Part Number: 31-10-8-618-988
Torque Capacity: 600 Nm
Operational Speed Limit: 7500 rpm

Clutch

Type: Wet Multi-Plate Clutch

Part Number: 21-10-8-618-555

Torque Capacity: 700 Nm

Operational Temperature Range: -40°C to 150°C

Propeller Shaft

Material: Aluminum

Length: 1.2 meters

Part Number: 26-10-8-618-321

Torque Capacity: 1000 Nm

Operational Speed Limit: 7000 rpm

Cooling System

Type: Liquid Cooling

Coolant Capacity: 12 liters

Coolant Type: BMW Antifreeze

Part Number: 17-11-8-618-222

Operational Temperature Range: -40°C to 120°C

Lubrication System

Oil Capacity: 9.5 liters

Oil Type: BMW TwinPower Turbo 0W-30

Part Number: 11-42-8-618-333

Oil Change interval: 10000 miles or 12 months

Operational Pressure Range: 2.5-5.0 bar

Service Information Service

Detailed service requirements and schedules for the BMW M8 drivetrain

10000

Engine oil and filter change
Transmission fluid check
Differential fluid check
Transfer case fluid check
Coolant level check
Driveshaft inspection

Use only BMW-approved fluids and parts

30000

Transmission fluid change
Differential fluid change
Transfer case fluid change
Coolant flush and replacement
Clutch inspection
Propeller shaft inspection

Inspect for wear and replace as necessary

60000

Full drivetrain inspection
Replace all drivetrain fluids
Inspect and replace worn components
Check and adjust alignment
Inspect cooling system for leaks
Lubricate all moving parts

Perform a comprehensive check to ensure optimal performance

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2019-Present BMW M8 use?

The BMW M8 features an advanced all-wheel-drive (AWD) system known as xDrive. This system is paired with an 8-speed M Steptronic automatic transmission, which includes Drivelogic for customizable shift characteristics. The drivetrain is designed to deliver optimal power distribution between the front and rear axles, enhancing traction and performance.

What is the torque output of the BMW M8's drivetrain?

The BMW M8's drivetrain delivers a maximum torque of 750 Nm (553 lb-ft) at 1,800-5,800 rpm. This high torque output is achieved through the combination of the 4.4-liter M TwinPower Turbo V8 engine and the xDrive AWD system, ensuring exceptional acceleration and handling.

Can the BMW M8's drivetrain operate in rear-wheel-drive (RWD) mode?

Yes, the BMW M8's xDrive system can be configured to operate in a rear-wheel-drive (RWD) mode through the M xDrive settings. This mode is ideal for track use or when a more dynamic driving experience is desired, allowing for controlled drifts and enhanced agility.

What is the power output of the BMW M8's drivetrain?

The BMW M8's drivetrain generates a maximum power output of 600 horsepower (447 kW) in the standard M8 model and 617 horsepower (460 kW) in the M8 Competition variant. This power is transmitted through the 8-speed M Steptronic transmission, ensuring rapid and smooth gear changes.

How does the BMW M8's drivetrain enhance performance in different driving conditions?

The BMW M8's drivetrain utilizes the xDrive AWD system to dynamically adjust power distribution between the front and rear axles based on driving conditions. This ensures optimal traction and stability in various environments, such as wet or icy roads, while maintaining high performance on dry surfaces.

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 M8 Drivetrain Technical Overview

Coming Soon

A detailed technical overview of the BMW M8's drivetrain, including specifications, components, and performance features.

BMW xDrive System Explained

Coming Soon

An in-depth explanation of the BMW xDrive AWD system, its functionality, and benefits in the BMW M8.

BMW M8 Maintenance and Service Guide

Coming Soon

A comprehensive guide to maintaining and servicing the BMW M8's drivetrain, including recommended service intervals and procedures.

BMW M8 Performance Tuning Options

Coming Soon

Explore performance tuning options for the BMW M8's drivetrain, including software updates and hardware modifications.

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