BMW M3 2021-present

BMW M3 2021-present ZF 8HP Transmission Specifications

Comprehensive technical specifications for the ZF-8HP automatic transmission system used in the 2021-Present BMW M3. This document covers gear ratios, torque capacity, fluid requirements, shift logic, and diagnostic protocols specific to the ZF-8HP transmission.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the ZF 8HP transmission specifications for the 2021-Present BMW M3, including key features, measurements, and technical details.

How to Use

Use the search bar to find specific ZF 8HP transmission specifications by entering keywords such as 'torque capacity,' 'gear ratios,' or 'fluid capacity.'

Navigate through the documentation sections using the table of contents or by scrolling through the major sections listed below.

Key Specifications

Transmission Type

8-speed automatic

Torque Capacity

750 Nm (553 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Shift Time

200 milliseconds

Final Drive Ratio

3.154

Available Specifications

Transmission Design and Architecture

Details about the design, architecture, and key components of the ZF 8HP transmission.

Transmission Type and Layout

8-speed automatic transmission
Longitudinal layout for rear-wheel-drive and all-wheel-drive configurations
Modular design for integration with BMW M3's S58 engine
Compact and lightweight construction for improved efficiency

Key Components

Four planetary gear sets for smooth gear transitions
Five multi-plate clutches for precise shifting
Integrated torque converter with lock-up clutch
Electro-hydraulic control system for adaptive shifting

Note: The transmission is designed to handle high torque loads, making it ideal for the BMW M3's performance requirements.

Performance Specifications

Technical details about the performance capabilities of the ZF 8HP transmission.

Torque Capacity and Gear Ratios

Maximum torque capacity: 750 Nm (553 lb-ft)
Gear ratios: 1st - 5.000, 2nd - 3.200, 3rd - 2.143, 4th - 1.720, 5th - 1.313, 6th - 1.000, 7th - 0.822, 8th - 0.640
Reverse gear ratio: 3.696
Final drive ratio: 3.154

Shift Performance

Shift times as low as 200 milliseconds in Sport+ mode
Adaptive shift mapping based on driving conditions
Launch control functionality for optimal acceleration
Manual shift mode with paddle shifters

Note: The transmission's adaptive shift mapping ensures optimal performance in both daily driving and track conditions.

Fluid and Maintenance Specifications

Information about transmission fluid requirements and maintenance intervals.

Transmission Fluid

Recommended fluid: ZF Lifeguard 8
Fluid capacity: 9.5 liters (10.0 quarts)
Fluid change interval: 80,000 km (50,000 miles) or 8 years
Operating temperature range: -40°C to 150°C (-40°F to 302°F)

Maintenance Requirements

Regular inspection of fluid levels and condition
Software updates via BMW's diagnostic system
Filter replacement during fluid changes
Seal and gasket inspection for leaks

Note: Using the correct fluid and adhering to maintenance intervals is critical for optimal transmission performance and longevity.

Integration with BMW M3 Systems

Details about how the ZF 8HP transmission integrates with the BMW M3's drivetrain and electronics.

Drivetrain Integration

Seamless integration with BMW's xDrive all-wheel-drive system
Compatibility with the M Differential for enhanced traction
Direct connection to the S58 twin-turbo inline-6 engine
Optimized for rear-wheel-drive dynamics in M3 models

Electronic Control Systems

Integration with BMW's Driving Dynamics Control system
Adaptive transmission tuning via M Drive settings
Communication with the ECU for real-time adjustments
Support for BMW's ConnectedDrive services

Note: The transmission's electronic systems are designed to enhance both performance and driver engagement.

Search Specifications

Search by specification name, value, or description

Transmission Specifications

General information

Transmission Type: 8-speed automatic

Manufacturer: ZF Friedrichshafen AG

Part Number: 8HP76

Application: 2021-Present BMW M3

Weight: 94 kg (207.2 lbs)

Fluid Type: ZF LifeguardFluid 8

Fluid Capacity: 9.5 liters (10.0 quarts)

Gear Ratios

1st Gear: 4.714:1

2nd Gear: 3.143:1

3rd Gear: 2.106:1

4th Gear: 1.667:1

5th Gear: 1.285:1

6th Gear: 1.000:1

7th Gear: 0.839:1

8th Gear: 0.667:1

Reverse Gear: 3.317:1

Torque Capacity

Maximum Torque: 760 Nm (560 lb-ft)

Operating Torque Range: 200-760 Nm (148-560 lb-ft)

Shift Characteristics

Shift Time: 200 milliseconds

Shift Programs

Comfort
Sport
Manual

Adaptive Shift Logic: Yes

Launch Control: Supported

Cooling System

Coolant Type: ZF LifeguardFluid 8

Coolant Flow Rate: 12 liters/minute (3.17 gallons/minute)

Coolant Temperature Range: -40°C to 150°C (-40°F to 302°F)

Oil Cooler integrated: Yes

Electronic Control

Control Unit: Integrated Transmission Control Unit (TCU)

Communication Protocol: CAN bus

Sensors

Input speed sensor
Output speed sensor
Temperature sensor
Pressure sensor

Diagnostic interface: OBD-II compliant

Maintenance Specifications

Fluid Change interval: 60,000 miles or 48 months

Filter Change interval: 60,000 miles or 48 months

Seal inspection Interval: Every 30,000 miles

Torque Converter inspection: Every 60,000 miles

Diagnostic Specifications

Fault Codes

P0700
P0715
P0720
P0730

Diagnostic Tools

BMW ISTA
ZF Test System

Self Diagnosis: Yes

Error Log Capacity: 100 fault codes

Operational Limits

Maximum input Speed: 7000 rpm

Maximum Output Speed: 8000 rpm

Operating Temperature Range: -40°C to 150°C (-40°F to 302°F)

Maximum Fluid Pressure: 20 bar (290 psi)

Safety information

High Temperature Warning: Activates at 140°C (284°F)

Low Fluid Level Warning: Activates at 1.5 liters below minimum

Emergency Limp Mode: Engages at critical faults

Safety Circuit: Redundant safety systems

Service Information Service

Detailed service requirements and schedules for the ZF-8HP transmission in the 2021-Present BMW M3

30,000 miles

24 months

Inspect transmission fluid level
Check for leaks
Inspect seals and gaskets

Perform visual inspection and top off fluid if necessary

60,000 miles

48 months

Replace transmission fluid
Replace transmission filter
Inspect torque converter
Reset adaptation values

Use only ZF LifeguardFluid 8 for fluid replacement

100,000 miles

72 months

Comprehensive transmission inspection
Check electronic control unit for updates
Inspect cooling system

Perform full diagnostic scan and update software if required

Common Questions

Find answers to common questions about torque specifications

What is the torque capacity of the ZF 8HP transmission in the 2021-Present BMW M3?

The ZF 8HP transmission in the 2021-Present BMW M3 has a torque capacity of up to 750 Nm (553 lb-ft), making it suitable for high-performance applications.

How many gears does the ZF 8HP transmission have?

The ZF 8HP transmission is an 8-speed automatic transmission, providing a wide range of gear ratios for optimal performance and fuel efficiency.

What is the shift response time of the ZF 8HP transmission?

The ZF 8HP transmission features a shift response time of approximately 200 milliseconds, ensuring quick and smooth gear changes for enhanced driving dynamics.

Can the ZF 8HP transmission be manually controlled?

Yes, the ZF 8HP transmission in the BMW M3 can be manually controlled using the paddle shifters or the gear selector, allowing for a more engaging driving experience.

What type of fluid is recommended for the ZF 8HP transmission?

ZF Lifeguard 8 is the recommended transmission fluid for the ZF 8HP transmission. It is specifically formulated to meet the requirements of this high-performance transmission.

Is the ZF 8HP transmission compatible with all-wheel drive (AWD) systems?

Yes, the ZF 8HP transmission is compatible with BMW's xDrive all-wheel drive system, providing enhanced traction and stability in various driving conditions.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

ZF 8HP Transmission Technical Specifications

Coming Soon

Detailed technical specifications and performance data for the ZF 8HP transmission used in the BMW M3.

BMW M3 Owner's Manual

Coming Soon

Official owner's manual for the 2021-Present BMW M3, including information on transmission operation and maintenance.

ZF Lifeguard 8 Fluid Information

Coming Soon

Information on the recommended transmission fluid for the ZF 8HP transmission, including specifications and usage guidelines.

BMW xDrive System Overview

Coming Soon

An overview of BMW's xDrive all-wheel drive system and its integration with the ZF 8HP transmission.

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Technical Information

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