BMW M4 2021-present ZF 8HP Transmission Specifications
Comprehensive technical specifications for the ZF-8HP automatic transmission system used in the 2021-Present BMW M4. This document covers gear ratios, torque capacity, fluid requirements, shift logic, and diagnostic protocols specific to the ZF-8HP transmission.
Overview Specifications
Comprehensive description of the ZF-8HP transmission specifications for the 2021-Present BMW M4, including key features, measurements, and technical details
How to Use
Use the search function to locate 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: 'Transmission Design', 'Performance Specifications', 'Maintenance Requirements', and 'Technical Features'.
Key Specifications
Transmission Type
8-speed automatic
Torque Capacity
750 Nm (553 lb-ft)
Weight
86 kg (189.6 lbs)
Fluid Capacity
9.5 liters (10.0 quarts)
Gear Ratios
5.000:1 to 0.640:1
Available Specifications
Transmission Design
Detailed overview of the ZF-8HP transmission's design, including its architecture, components, and construction
Transmission Design
Detailed overview of the ZF-8HP transmission's design, including its architecture, components, and construction
Architecture and Layout
- 8-speed automatic transmission with planetary gear sets
- Compact and lightweight design, weighing approximately 86 kg (189.6 lbs)
- Integrated torque converter with lock-up clutch
- Electronically controlled hydraulic system for precise gear shifts
Key Components
- High-strength aluminum alloy housing for durability and weight reduction
- Multi-plate wet clutch system for improved torque handling
- Integrated mechatronic module for gear selection and control
- Advanced thermal management system for optimal operating temperatures
Note: The mechatronic module combines hydraulic and electronic controls for seamless operation.
Performance Specifications
Technical details on the ZF-8HP transmission's performance capabilities and limits
Performance Specifications
Technical details on the ZF-8HP transmission's performance capabilities and limits
Torque and Power Handling
- Maximum torque capacity of 750 Nm (553 lb-ft)
- Designed to handle up to 510 hp (380 kW) engine output
- Optimized for high-performance applications in the BMW M4
- Supports launch control and rapid gear shifts
Gear Ratios
- 1st gear ratio: 5.000:1
- 2nd gear ratio: 3.200:1
- 3rd gear ratio: 2.143:1
- 4th gear ratio: 1.720:1
- 5th gear ratio: 1.314:1
- 6th gear ratio: 1.000:1
- 7th gear ratio: 0.822:1
- 8th gear ratio: 0.640:1
Note: Wide gear ratio spread ensures optimal performance and fuel efficiency.
Maintenance Requirements
Guidelines for maintaining the ZF-8HP transmission to ensure longevity and performance
Maintenance Requirements
Guidelines for maintaining the ZF-8HP transmission to ensure longevity and performance
Fluid Specifications
- Recommended transmission fluid: ZF Lifeguard 8
- Fluid capacity: 9.5 liters (10.0 quarts)
- Fluid change interval: Every 80,000 km (50,000 miles) or 5 years
- Fluid operating temperature range: -40°C to 150°C (-40°F to 302°F)
Service Procedures
- Regular inspection of the transmission fluid level and condition
- Diagnostic scans using BMW-specific software for error codes
- Replacement of the transmission filter during fluid changes
- Calibration of the mechatronic module after major service
Note: Use only OEM-approved fluids and components for maintenance.
Technical Features
Advanced features and technologies integrated into the ZF-8HP transmission
Technical Features
Advanced features and technologies integrated into the ZF-8HP transmission
Shift Logic and Control
- Adaptive shift strategy based on driving conditions
- Sport and manual modes for enhanced driver control
- Predictive shift mapping using navigation data
- Seamless integration with BMW's xDrive all-wheel-drive system
Efficiency Enhancements
- Start-stop functionality for reduced fuel consumption
- Coasting mode to disengage the transmission during deceleration
- Low internal friction for improved efficiency
- Optimized gear shifts for reduced energy loss
Note: The transmission contributes to the BMW M4's impressive fuel economy for a high-performance vehicle.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
General information
- Transmission Type
- 8-speed automatic
- Manufacturer
- ZF Friedrichshafen AG
- Part Number
- 8HP76
- Model Year
- 2021-Present
- Compatible Engine
- S58 3.0L Twin-Turbo Inline-6
- Vehicle Model
- BMW M4 (G82)
Dimensions And Weight
- Length
- 720 mm
- Width
- 550 mm
- Height
- 420 mm
- Weight
- 87 kg
- Fluid Capacity
- 9.5 liters
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
Performance Parameters
- Maximum Torque
- 760 Nm
- Maximum input Speed
- 7000 rpm
- Shift Time
- 200 ms
- Efficiency
- Up to 96%
- Towing Capacity
- Not recommended for towing
Fluid Specifications
- Fluid Type
- ZF Lifeguard 8
- Fluid Part Number
- 83222415882
- Operating Temperature Range
- -40°C to 150°C
- Fluid Change interval
- 60,000 miles or 48 months
Electronic Control
- Control Unit
- Integrated Transmission Control Unit (TCU)
- Communication Protocol
- CAN bus
- Software Version
- V2.3.1
- Diagnostic interface
- OBD-II
- Adaptive Learning
- Yes
Clutch And Brake System
- Clutch Type
- Wet multi-plate
- Number Of Clutches
- 5
- Brake Bands
- 2
- Clutch Material
- Carbon fiber reinforced
- Clutch Operating Pressure
- 4.5 bar
Cooling System
- Cooling Type
- Integrated transmission oil cooler
- Cooler Part Number
- 17217600001
- Coolant Flow Rate
- 12 liters per minute
- Coolant Type
- BMW Coolant (G48)
Maintenance Specifications
- Filter Part Number
- 24118616027
- Filter Change interval
- 60,000 miles or 48 months
- Seal Part Number
- 24117511461
- Seal inspection Interval
- Every 30,000 miles
- Torque Converter Drain Interval
- Not serviceable
Diagnostic Specifications
- Fault Codes
-
- P0700
- P0715
- P0720
- P0730
- P0741
- Diagnostic Tool
- BMW ISTA
- Diagnostic Procedure
- Follow ISTA diagnostic steps
- Common Issues
-
- Shift solenoid failure
- Valve body wear
- Fluid contamination
Service Information Service
Detailed service requirements and schedules for the ZF 8HP transmission in the BMW M4
- Inspect transmission fluid level
- Check for leaks
- Inspect transmission mounts
Perform visual inspection and address any leaks or wear
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
Use only ZF Lifeguard 8 fluid and BMW-approved parts
- Perform full transmission diagnostic
- Inspect valve body
- Check for adaptive learning reset
Use BMW ISTA for diagnostics and reset procedures
Common Questions
Find answers to common questions about torque specifications
Q1 What is the torque capacity of the ZF 8HP transmission in the 2021-Present BMW M4?
What is the torque capacity of the ZF 8HP transmission in the 2021-Present BMW M4?
The ZF 8HP transmission in the 2021-Present BMW M4 has a torque capacity of up to 750 Nm (553 lb-ft), making it suitable for high-performance applications.
Q2 What are the gear ratios for the ZF 8HP transmission in the BMW M4?
What are the gear ratios for the ZF 8HP transmission in the BMW M4?
The gear ratios for the ZF 8HP transmission are as follows: 1st gear - 5.000, 2nd gear - 3.200, 3rd gear - 2.143, 4th gear - 1.720, 5th gear - 1.313, 6th gear - 1.000, 7th gear - 0.822, 8th gear - 0.640. The final drive ratio is 3.154.
Q3 How does the ZF 8HP transmission improve fuel efficiency in the BMW M4?
How does the ZF 8HP transmission improve fuel efficiency in the BMW M4?
The ZF 8HP transmission improves fuel efficiency through its wide gear spread, allowing the engine to operate at lower RPMs during cruising. Additionally, it features a start-stop function and coasting mode, which further reduce fuel consumption.
Q4 What type of fluid is recommended for the ZF 8HP transmission in the BMW M4?
What type of fluid is recommended for the ZF 8HP transmission in the BMW M4?
The ZF 8HP transmission requires ZF LifeguardFluid 8, which is specifically formulated for this transmission. The fluid capacity is approximately 9.5 liters (10 quarts), including the torque converter.
Q5 What is the service interval for the ZF 8HP transmission in the BMW M4?
What is the service interval for the ZF 8HP transmission in the BMW M4?
BMW recommends a transmission fluid and filter change every 60,000 to 100,000 miles, depending on driving conditions. However, it is advisable to consult the vehicle's service manual or a BMW-certified technician for specific recommendations.
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 Overview
Coming SoonA detailed technical overview of the ZF 8HP transmission, including its design, features, and performance specifications.
BMW M4 Owner's Manual
Coming SoonThe official owner's manual for the 2021-Present BMW M4, containing detailed information on the ZF 8HP transmission and other vehicle systems.
ZF LifeguardFluid 8 Product Information
Coming SoonProduct information and specifications for ZF LifeguardFluid 8, the recommended transmission fluid for the ZF 8HP transmission.
BMW Service and Maintenance Guide
Coming SoonA comprehensive guide to service and maintenance procedures for the BMW M4, including the ZF 8HP transmission.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.