BMW 760i 2001-2008

BMW 760i 2001-2008 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF-6HP automatic transmission system used in the 2001-2008 BMW 760i. This document covers gear ratios, torque converter details, hydraulic system parameters, electronic control unit (ECU) configurations, 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 2001-2008 BMW 760i, 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: General Specifications, Gear Ratios, Torque Converter, and Maintenance Requirements.

Key Specifications

Transmission Type

6-speed automatic

Torque Capacity

750 Nm (553 lb-ft)

Fluid Capacity

9.5 liters (10 quarts)

Weight

98 kg (216 lbs)

Shift Response Time

150 milliseconds

Available Specifications

General Specifications

This section covers the fundamental technical details and measurements of the ZF-6HP transmission.

Transmission Type and Configuration

6-speed automatic transmission
Longitudinal mounting configuration
Electronically controlled hydraulic system
Weight: 98 kg (216 lbs)

Fluid Specifications

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)
Fluid change interval: 60,000 miles or 100,000 km

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

Gear Ratios

This section provides detailed information about the gear ratios and shift characteristics of 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

Shift Characteristics

Adaptive shift programming for smooth transitions
Sport mode for quicker shifts and higher RPM hold
Manual shift mode with steering wheel-mounted paddles
Shift response time: 150 milliseconds

Torque Converter

This section details the torque converter specifications and its role in the ZF-6HP transmission.

Torque Converter Specifications

Lock-up clutch for improved efficiency
Torque capacity: 750 Nm (553 lb-ft)
Diameter: 300 mm (11.8 inches)
Stall speed: 2,200 RPM

Torque Converter Operation

Hydraulic coupling for smooth power delivery
Lock-up clutch engagement at speeds above 30 km/h (18.6 mph)
Reduces slippage and heat generation
Enhances fuel efficiency by up to 5%

Note: Regular inspection of the torque converter is recommended to prevent premature wear.

Maintenance Requirements

This section outlines the maintenance procedures and intervals for the ZF-6HP transmission.

Routine Maintenance

Transmission fluid and filter change every 60,000 miles or 100,000 km
Inspect for leaks and wear every 15,000 miles or 24,000 km
Check transmission mounts and linkages annually
Reset adaptation values after fluid change

Diagnostic Procedures

Use BMW-specific diagnostic tools for error code reading
Check for solenoid valve operation and pressure levels
Inspect wiring harness for damage or corrosion
Perform road test to verify shift quality and response

Note: Always follow BMW's recommended diagnostic procedures to avoid misdiagnosis.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 6-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 6HP26

Application: 2001-2008 BMW 760i

Part Number: 24 11 7 546 123

Fluid Type: BMW ATF LT 71141

Fluid Capacity: 9.5 liters

Dimensions And Weight

Length: 680 mm

Width: 450 mm

Height: 350 mm

Weight: 95 kg

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: 750 Nm

Operational Parameters

Maximum Engine Speed: 7000 rpm

Maximum Transmission Speed: 7500 rpm

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

Fluid Pressure: 3.5 to 4.5 bar

Tolerances

Gear Shift Time: 100 to 200 ms

Clutch Engagement Time: 150 to 300 ms

Fluid Level Tolerance: ±0.5 liters

Maintenance Specifications

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 inspection Interval: 120,000 miles or 96 months

Diagnostic Specifications

Fault Code Readout: OBD-II compliant

Diagnostic interface: BMW INPA/ISTA

Common Fault Codes

P0700 - Transmission Control System Malfunction
P0715 - Input/Turbine Speed Sensor Circuit Malfunction
P0720 - Output Speed Sensor Circuit Malfunction

Safety information

Fluid Handling: Use gloves and eye protection when handling ATF

High Temperature Warning: Avoid contact with hot transmission components

Electrical Safety: Disconnect battery before performing electrical diagnostics

Related Components

Torque Converter: Part Number: 24 11 7 546 124
Stall Speed: 2200 rpm

Transmission Control Module: Part Number: 24 11 7 546 125
Software Version: V2.3.1

Sensors

Name: Input Speed Sensor, Part Number: 24 11 7 546 126
Name: Output Speed Sensor, Part Number: 24 11 7 546 127
Name: Temperature Sensor, Part Number: 24 11 7 546 128

Service Information Service

Detailed service requirements and schedules for the ZF-6HP transmission

30,000 miles

24 months

Check transmission fluid level
Inspect for leaks
Reset adaptation values

Perform visual inspection of transmission components

60,000 miles

48 months

Replace transmission fluid
Replace transmission filter
Inspect seals and gaskets

Use only BMW-approved ATF

100,000 miles

84 months

Inspect torque converter
Check transmission mounts
Perform full diagnostic scan

Replace worn components as necessary

Common Questions

Find answers to common questions about torque specifications

What is the torque capacity of the ZF 6HP transmission in the 2001-2008 BMW 760i?

The ZF 6HP transmission used in the 2001-2008 BMW 760i has a torque capacity of up to 600 Nm (442 lb-ft). This ensures compatibility with the 6.0L V12 engine, which produces 438 hp and 600 Nm of torque.

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

ZF Lifeguard 6 is the recommended transmission fluid for the ZF 6HP transmission. It is specifically formulated for this transmission type and ensures optimal performance and longevity. The fluid capacity is approximately 9.5 liters, including the torque converter.

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 (or 8-10 years) under normal driving conditions. Severe driving conditions, such as frequent towing or stop-and-go traffic, may require more frequent service intervals.

What are the common symptoms of a failing ZF 6HP transmission?

Common symptoms include harsh or delayed shifting, slipping gears, transmission fluid leaks, unusual noises (e.g., whining or grinding), and the illumination of the transmission warning light. These issues may indicate worn clutches, solenoid problems, or low fluid levels.

Can the ZF 6HP transmission be repaired, or does it require replacement?

The ZF 6HP transmission is repairable. Common repairs include replacing the mechatronic unit, solenoids, clutch packs, or seals. However, severe internal damage may necessitate a complete transmission replacement. Always consult a certified technician for diagnosis and repair.

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 service manual for the ZF 6HP transmission, including detailed repair procedures, torque specifications, and diagnostic codes.

BMW 760i Owner's Manual

Coming Soon

Official owner's manual for the 2001-2008 BMW 760i, providing maintenance schedules and transmission care guidelines.

ZF Lifeguard 6 Fluid Specifications

Coming Soon

Technical datasheet for ZF Lifeguard 6 transmission fluid, including viscosity, temperature range, and compatibility details.

BMW Transmission Diagnostic Guide

Coming Soon

Step-by-step guide for diagnosing transmission issues in BMW vehicles equipped with the ZF 6HP transmission.

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Technical Information

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