BMW 750i 2001-2008

BMW 750i 2001-2008 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF-6HP automatic transmission system used in the 2001-2008 BMW 750i. This document covers gear ratios, torque converter details, fluid capacity, shift patterns, and diagnostic codes specific to the ZF-6HP transmission.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the zf-6hp-transmission specifications for the 2001-2008 bmw 750I, 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 capacity', 'gear ratios', or 'fluid capacity'.

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

Key Specifications

Transmission Type

6-speed automatic

Maximum Torque

750 Nm (553 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Weight

95 kg (209 lbs)

Operating Temperature

-40°C to 150°C (-40°F to 302°F)

Available Specifications

Transmission Design and Features

Detailed overview of the zf-6hp-transmission design, including its key features and engineering highlights.

Transmission Type and Configuration

6-speed automatic transmission
Longitudinal mounting configuration
Electronically controlled hydraulic system
Integrated torque converter with lock-up clutch

Key Design Features

Compact and lightweight design for improved efficiency
Adaptive shift strategy for optimized performance
Sealed for life fluid system (subject to maintenance conditions)
Integrated mechatronic module for precise gear shifts

Note: The mechatronic module combines the transmission control unit and hydraulic valves into a single unit.

Technical Specifications

Detailed technical specifications of the zf-6hp-transmission, including measurements and performance data.

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

Maximum input torque: 750 Nm (553 lb-ft)
Designed for high-performance applications
Suitable for V8 and V12 engines
Optimized for smooth power delivery

Fluid and Maintenance

Information on transmission fluid requirements and maintenance procedures for the zf-6hp-transmission.

Fluid Specifications

Recommended fluid: ZF Lifeguardfluid 6
Fluid capacity: 9.5 liters (10.0 quarts)
Fluid change interval: 60,000-100,000 miles (subject to driving conditions)
Fluid temperature operating range: -40°C to 150°C (-40°F to 302°F)

Maintenance Procedures

Regular fluid level checks required
Use diagnostic tools to monitor transmission health
Replace fluid and filter during major service intervals
Ensure proper fluid temperature during refill

Note: Improper fluid levels or incorrect fluid type can lead to transmission damage.

Performance and Efficiency

Details on the performance characteristics and efficiency of the zf-6hp-transmission.

Shift Quality and Response

Smooth and precise gear shifts
Adaptive shift programs for sport and comfort modes
Quick response to throttle inputs
Reduced shift times for improved performance

Fuel Efficiency

Optimized gear ratios for reduced fuel consumption
Lock-up clutch for minimized energy loss
Efficient hydraulic system design
Contributes to overall vehicle efficiency

Search Specifications

Search by specification name, value, or description

Transmission Specifications

General

Transmission Type: 6-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 6HP26

Part Number: 24107545263

Compatibility: 2001-2008 BMW 750i

Weight: 98 kg (216 lbs)

Fluid Type: BMW ATF LT 71141

Fluid Capacity: 9.5 liters (10 quarts)

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

Maximum input Torque: 600 Nm (442 lb-ft)

Maximum Output Torque: 750 Nm (553 lb-ft)

Torque Converter Lockup Speed: 1500-2000 rpm

Operational Parameters

Maximum Engine Speed: 7000 rpm

Shift Points: Upshift: 6000-6500 rpm
Downshift: 4000-4500 rpm

Temperature Range: Operating Min: -40°C (-40°F)
Operating Max: 120°C (248°F)

Tolerances

Gear Mesh Tolerance: 0.05-0.10 mm

Clutch Clearance: 0.8-1.2 mm

Fluid Pressure: Idle: 2.5-3.5 bar
Full Throttle: 10-12 bar

Maintenance

Fluid Change interval: 60,000 miles or 48 months

Filter Change interval: 60,000 miles or 48 months

Seal inspection Interval: 100,000 miles or 84 months

Torque Converter Service interval: 120,000 miles or 96 months

Diagnostics

Fault Codes

P0700 - Transmission Control System Malfunction
P0715 - Input/Turbine Speed Sensor Circuit Malfunction
P0720 - Output Speed Sensor Circuit Malfunction
P0730 - Incorrect Gear Ratio

Diagnostic Tools

BMW DIS (Diagnostic Information System)
INPA (Integrated Navigation and Performance Analysis)
ISTA (Integrated Service Technical Application)

Safety

Fluid Handling: Use gloves and eye protection when handling ATF

Lifting Procedures: Ensure transmission is properly supported during removal

Electrical Safety: Disconnect battery before servicing electrical components

Related Components

Torque Converter: Part Number: 24107545264
Diameter: 300 mm (11.8 in)
Stall Speed: 2200-2500 rpm

Valve Body: Part Number: 24107545265
Solenoid Type: PWM (Pulse Width Modulation)
Pressure Regulator: Electronic

Output Shaft: Part Number: 24107545266
Diameter: 32 mm (1.26 in)
Material: Hardened steel

Cross References

Alternate Part Numbers

24107545267
24107545268

Compatible Models

BMW 745i
BMW 760i

Service Information Service

Detailed service requirements and schedules for the ZF 6HP26 transmission

60,000 miles

48 months

Transmission fluid change
Filter replacement
Seal inspection

Use only BMW ATF LT 71141 fluid

100,000 miles

84 months

Torque converter inspection
Valve body cleaning
Output shaft seal replacement

Inspect for leaks and wear

120,000 miles

96 months

Complete transmission overhaul
Clutch pack replacement
Bearing inspection

Replace all worn components

Common Questions

Find answers to common questions about torque specifications

What is the fluid capacity of the ZF-6HP transmission in a 2001-2008 BMW 750i?

The ZF-6HP transmission in the 2001-2008 BMW 750i has a fluid capacity of approximately 9.5 liters (10 quarts) when performing a complete fluid exchange. This includes the torque converter, transmission pan, and cooler lines. Always refer to the manufacturer's specifications for exact measurements.

What type of transmission fluid is recommended for the ZF-6HP transmission?

The ZF-6HP transmission requires ZF Lifeguard 6 or an equivalent synthetic ATF meeting ZF TE-ML 14B specifications. Using incorrect fluid can lead to transmission damage and void the warranty.

How often should the transmission fluid be changed in the ZF-6HP transmission?

BMW recommends changing the transmission fluid and filter every 60,000 to 100,000 miles under normal driving conditions. However, for severe driving conditions (e.g., frequent towing, stop-and-go traffic), it is advisable to change the fluid every 30,000 to 50,000 miles.

What is the torque specification for the transmission pan bolts on the ZF-6HP?

The transmission pan bolts on the ZF-6HP should be torqued to 8 Nm (71 in-lbs). Over-tightening can damage the pan or sealing surface, while under-tightening may cause leaks.

Can the ZF-6HP transmission be reprogrammed or updated?

Yes, the ZF-6HP transmission control unit (TCU) can be reprogrammed or updated using BMW-specific diagnostic tools such as ISTA/D or INPA. Updates may improve shifting performance, adapt to new driving conditions, or address known issues.

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 for the 6HP transmission, covering disassembly, assembly, and troubleshooting procedures.

BMW ISTA/D Diagnostic Software Guide

Coming Soon

Step-by-step guide for using BMW ISTA/D to diagnose and reprogram the ZF-6HP transmission.

ZF Lifeguard 6 Fluid Specifications

Coming Soon

Detailed technical specifications for ZF Lifeguard 6 transmission fluid, including compatibility and performance data.

BMW 750i Transmission Fluid Change Procedure

Coming Soon

Comprehensive guide for performing a transmission fluid change on the 2001-2008 BMW 750i with the ZF-6HP 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

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

ASE

Alan Montanye

Automotive Technical Specialist

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

Facebook Contact

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.