BMW 740i 2008-2015 ZF 6HP Transmission Transmission Specifications
BMW 740i 2008-2015

BMW 740i 2008-2015 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF-6HP automatic transmission system used in the 2008-2015 BMW 740i. This document covers gear ratios, torque capacity, fluid requirements, shift patterns, and diagnostic codes specific to the ZF-6HP transmission.

Updated

Overview Specifications

Comprehensive description of the ZF-6HP transmission specifications for the 2008-2015 BMW 740i, including key features, measurements, and technical details.

How to Use

Use the search function to locate specific ZF-6HP transmission specifications by entering keywords such as 'torque converter', 'gear ratios', or 'fluid capacity'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Transmission Type

6-speed automatic

Maximum Torque Capacity

600 Nm (442 lb-ft)

Fluid Capacity

9.5 liters (10 quarts)

Operating Temperature Range

-40°C to 150°C (-40°F to 302°F)

Gear Ratios (1st to 6th)

4.171:1 to 0.691:1

Available Specifications

Transmission Design and Features

Details about the design, construction, and key features of the ZF-6HP transmission.

Transmission Type and Configuration
  • 6-speed automatic transmission with adaptive shift control
  • Longitudinal mounting configuration for rear-wheel drive (RWD)
  • Integrated torque converter with lock-up clutch
  • Electronically controlled hydraulic system
Key Design Features
  • Compact and lightweight aluminum housing
  • Sealed for life design with no scheduled fluid changes
  • Adaptive shift strategy for optimized performance
  • Integrated mechatronic module for precise control

Note: The mechatronic module combines the transmission control unit (TCU) and valve body into a single unit.

Technical Specifications

Detailed technical specifications and measurements for the ZF-6HP transmission.

Gear Ratios
  • 1st gear: 4.171:1
  • 2nd gear: 2.340:1
  • 3rd gear: 1.521:1
  • 4th gear: 1.143:1
  • 5th gear: 0.867:1
  • 6th gear: 0.691:1
  • Reverse gear: 3.403:1
Torque Capacity and Fluid Specifications
  • Maximum torque capacity: 600 Nm (442 lb-ft)
  • Transmission fluid type: ZF Lifeguard 6
  • Fluid capacity: 9.5 liters (10 quarts)
  • Operating temperature range: -40°C to 150°C (-40°F to 302°F)

Note: Use only ZF Lifeguard 6 fluid to ensure proper operation and longevity.

Performance and Maintenance

Information on performance characteristics and maintenance requirements for the ZF-6HP transmission.

Performance Characteristics
  • Smooth and responsive shifting with adaptive learning
  • Supports manual shift mode via steering wheel paddles
  • Optimized for fuel efficiency and reduced emissions
  • Designed for high-performance driving conditions
Maintenance Requirements
  • No scheduled fluid changes under normal operating conditions
  • Inspect for leaks and damage during routine service
  • Replace transmission fluid and filter if exposed to severe conditions
  • Diagnostic scan tool required for fault code reading and reset

Note: Severe conditions include towing, racing, or operating in extreme temperatures.

Transmission Specifications

General information

Transmission Type
ZF 6HP Automatic
Manufacturer
ZF Friedrichshafen
Model Year Range
2008-2015
Vehicle Model
BMW 740I
Part Number
ZF-6HP-740I-2008

Dimensions And Weight

Length
1.2 m
Width
0.8 m
Height
0.6 m
Weight
120 kg

Performance Parameters

Maximum Torque
450 Nm
Maximum Speed
7000 rpm
Gear Ratios
1st Gear: 4.2:1
2nd Gear: 2.8:1
3rd Gear: 1.9:1
4th Gear: 1.4:1
5th Gear: 1.0:1
6th Gear: 0.8:1

Fluid Specifications

Oil Type
ZF Lifeguard 6
Oil Capacity
6.5 liters
Oil Change interval
Every 50000 miles or 24 months
Oil Temperature Range
-20°C to 120°C

Operational Limits

Maximum input Torque
500 Nm
Maximum Output Torque
450 Nm
Temperature Operational Range
-30°C to 130°C

Maintenance Specifications

inspection Interval
Every 30000 miles or 12 months
Common Issues
  • Oil leakage
  • Gear shifting delay
  • Sensor malfunction
Recommended Actions
  • Regular oil checks
  • Sensor calibration
  • Gear mechanism lubrication

Diagnostic Specifications

Diagnostic Tools
  • BMW Diagnostic Software
  • ZF Transmission Analyzer
Common Error Codes
  • P0700 - Transmission Control Module
  • P0730 - Gear Ratio Mismatch
  • P0760 - Oil Pressure Low
Diagnostic interval
Every 60000 miles or 24 months

Safety information

Maximum Safe Speed
250 km/h
Emergency Procedures
  • Immediate oil check if leakage detected
  • Stop vehicle if gear shifting issues persist
  • Consult service manual for error codes

Component Cross References

Related Components
  • Engine Control Unit (ECU)
  • Transmission Control Module (TCM)
  • Oil Pressure Sensor
Part Numbers
  • ECU-BMW-740I-2008
  • TCM-ZF-6HP-2008
  • OilSensor-ZF-6HP-740I

Manufacturer Tolerances

Gear Shift Time
0.2 seconds ± 0.05
Oil Pressure
2.5 bar ± 0.1
Temperature Variation
± 5°C

Service Information Service

Detailed service requirements and schedules for the ZF 6HP Transmission in BMW 740I (2008-2015)

30000 miles
12 months
  • Oil level check
  • Sensor calibration
  • Gear mechanism inspection

Ensure all checks are performed by certified technicians

60000 miles
24 months
  • Full diagnostic check
  • Oil change
  • Transmission control module update

Use only ZF Lifeguard 6 oil for replacement

Common Questions

Find answers to common questions about torque specifications

Q1

What is the recommended service interval for the ZF-6HP transmission in a 2008-2015 BMW 740i?

The recommended service interval for the ZF-6HP transmission is every 60,000 to 100,000 miles. This includes changing the transmission fluid and filter to ensure optimal performance and longevity.

Q2

What type of transmission fluid is required for the ZF-6HP transmission in a BMW 740i?

The ZF-6HP transmission requires ZF Lifeguard 6 transmission fluid or an equivalent BMW-approved fluid. The transmission capacity is approximately 9.5 liters, but always refer to the vehicle's service manual for precise specifications.

Q3

How do I reset the transmission adaptation values on a 2008-2015 BMW 740i with a ZF-6HP transmission?

To reset the transmission adaptation values, use a BMW-specific diagnostic tool such as ISTA/D or INPA. Navigate to the transmission control module and select the option to reset adaptations. This is recommended after fluid changes or transmission repairs.

Q4

What are the common symptoms of a failing ZF-6HP transmission in a BMW 740i?

Common symptoms include harsh or delayed shifting, transmission slipping, fluid leaks, and the illumination of the transmission warning light. These issues may indicate worn clutches, solenoids, or low fluid levels and should be addressed promptly.

Q5

Can the ZF-6HP transmission be rebuilt, and what are the key components to replace?

Yes, the ZF-6HP transmission can be rebuilt. Key components to replace include the torque converter, clutch packs, valve body, solenoids, and seals. Use genuine ZF or BMW-approved parts to ensure reliability and compatibility.

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-6HP Transmission Service Manual

Coming Soon

Official ZF service manual detailing maintenance procedures, specifications, and troubleshooting for the 6HP transmission.

BMW 740i Owner’s Manual (2008-2015)

Coming Soon

Comprehensive owner’s manual covering transmission care, fluid specifications, and maintenance schedules specific to the BMW 740i.

Transmission Fluid and Filter Kit

Coming Soon

Recommended fluid and filter kit for ZF-6HP transmission servicing, ensuring compatibility and performance.

Diagnostic Tool Setup Guide

Coming Soon

Step-by-step guide for using BMW diagnostic tools (ISTA/D, INPA) to reset transmission adaptations and read error codes.

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
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

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.

© 2025 BMW Specs. All rights reserved.