BMW 750i 2008-2015

BMW 750i 2008-2015 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF-6HP automatic transmission system used in the 2008-2015 BMW 750i. This document covers gear ratios, torque converter details, hydraulic system specifications, electronic control unit (ECU) parameters, and maintenance guidelines specific to the ZF-6HP transmission.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the ZF-6HP transmission specifications for the 2008-2015 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.

Key Specifications

Transmission Type

6-speed automatic

Torque Capacity

750 Nm (553 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Weight

85 kg (187 lbs)

Gear Ratios

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 planetary gear sets
Electronically controlled hydraulic system
Integrated torque converter with lock-up clutch
Compact and lightweight design for improved efficiency

Key Features

Adaptive shift strategy for optimized performance
Manual shift mode with paddle shifters
Integrated mechatronic module for precise control
Enhanced durability with high-strength materials

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 and Fluid Specifications

Maximum torque capacity: 750 Nm (553 lb-ft)
Transmission fluid type: ZF Lifeguard 6
Fluid capacity: 9.5 liters (10.0 quarts)
Fluid change interval: 60,000 miles or 8 years

Note: Use only ZF-approved transmission fluid to ensure optimal performance and longevity.

Maintenance and Service

Guidelines for maintaining and servicing the ZF-6HP transmission.

Routine Maintenance

Regularly check transmission fluid level and condition
Inspect for leaks around the transmission pan and seals
Monitor for unusual noises or shifting behavior
Follow BMW-recommended service intervals

Common Service Procedures

Transmission fluid and filter replacement
Mechatronic module diagnostics and updates
Torque converter inspection and replacement if necessary
Seal and gasket replacement during major services

Note: Always reset the transmission adaptation values after servicing.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 6-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 6HP26

Applicable Vehicles

2008-2015 BMW 750i

Part Number: 24 11 7 561 123

Dimensions And Weight

Length: 680 mm

Width: 520 mm

Height: 350 mm

Weight: 98 kg

Fluid Specifications

Fluid Type: ZF Lifeguard 6

Fluid Capacity: 9.5 liters

Fluid Change interval: 60,000 miles or 48 months

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

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

Maximum Output Torque: 2800 Nm

Operational Parameters

Maximum Engine Speed: 7000 rpm

Maximum Transmission Speed: 7500 rpm

Operating Temperature Range: -30°C to 120°C

Electronic Control

Control Unit: EGS (Electronic Transmission Control)

Sensors

Input speed sensor
Output speed sensor
Fluid temperature sensor

Actuators

Solenoid valves
Pressure control valves

Maintenance Specifications

Filter Replacement interval: 60,000 miles or 48 months

Seal inspection Interval: 100,000 miles or 84 months

Torque Converter inspection Interval: 120,000 miles or 96 months

Diagnostic Specifications

Diagnostic Tool: BMW ISTA/D

Common Fault Codes

P0700
P0715
P0720
P0730

Diagnostic Procedures

Check fluid level and condition
Inspect wiring and connectors
Perform adaptation reset

Safety information

Warning: Always use manufacturer-recommended fluids and parts to avoid damage to the transmission.

Precautions

Ensure the vehicle is on a level surface when checking fluid levels.
Use proper lifting equipment when servicing the transmission.

Service Information Service

Detailed service requirements and schedules for the ZF-6HP transmission in the 2008-2015 BMW 750i

60,000 miles

48 months

Transmission fluid and filter change
Inspect transmission seals
Check for leaks

Use only ZF Lifeguard 6 fluid for optimal performance.

100,000 miles

84 months

Inspect torque converter
Check transmission mounts
Perform diagnostic scan

Replace any worn or damaged components immediately.

120,000 miles

96 months

Replace transmission fluid and filter
Inspect and replace seals if necessary
Perform adaptation reset

Ensure all electrical connections are secure and free of corrosion.

Common Questions

Find answers to common questions about torque specifications

What is the fluid capacity of the ZF-6HP transmission in a 2008-2015 BMW 750i?

The ZF-6HP transmission in the 2008-2015 BMW 750i has a fluid capacity of approximately 9.5 liters (10 quarts) when performing a complete fluid exchange. Always refer to the manufacturer's specifications for exact requirements.

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

The ZF-6HP transmission requires ZF Lifeguard 6 or an equivalent ATF meeting BMW specification LT 71141. Using incorrect fluid can lead to transmission damage and void warranties.

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

BMW recommends a transmission fluid and filter change every 60,000 to 100,000 miles under normal driving conditions. Severe driving conditions may require more frequent service intervals.

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

The torque specification for the transmission pan bolts on the ZF-6HP is 8 Nm (71 lb-in). Over-tightening can damage the pan or gasket, leading to 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 like ISTA/D or compatible software. Updates may improve shifting performance and 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, including detailed repair and maintenance procedures.

BMW ISTA/D Diagnostic Software Guide

Coming Soon

Comprehensive guide on using BMW ISTA/D for diagnosing and reprogramming the ZF-6HP transmission.

ZF Lifeguard 6 Fluid Specifications

Coming Soon

Technical data sheet for ZF Lifeguard 6 transmission fluid, including compatibility and usage guidelines.

BMW 750i Transmission Repair Guide

Coming Soon

Step-by-step guide for repairing and maintaining the ZF-6HP transmission in the 2008-2015 BMW 750i.

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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.

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