BMW 335i 2005-2011

BMW 335i 2005-2011 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF 6HP automatic transmission used in the 2005-2011 BMW 335i. This document covers gear ratios, torque capacity, fluid requirements, shift patterns, and diagnostic codes specific to the ZF 6HP transmission system.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the ZF-6HP transmission specifications for the 2005-2011 BMW 335I, 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 Capacity, and Maintenance Requirements.

Key Specifications

Transmission Type

6-speed automatic

Maximum Torque Capacity

600 Nm (442 lb-ft)

Fluid Capacity

9.5 liters (10 quarts)

Weight

92 kg (202.8 lbs)

Reverse Gear Ratio

3.403:1

Available Specifications

General Specifications

This section covers the basic 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: 92 kg (202.8 lbs)

Fluid Capacity and Type

Transmission fluid capacity: 9.5 liters (10 quarts)
Recommended fluid: ZF Lifeguard 6
Fluid change interval: 60,000 miles or 100,000 km
Fluid operating temperature range: -40°C to 150°C (-40°F to 302°F)

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

Gear Ratios

This section provides detailed information about the gear ratios and shift points of the ZF-6HP transmission.

Forward 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 Ratio

Reverse gear: 3.403:1
Shift points optimized for performance and fuel efficiency
Adaptive shift logic for varying driving conditions

Torque Capacity

This section outlines the torque handling capabilities and limitations of the ZF-6HP transmission.

Maximum Torque Handling

Maximum torque capacity: 600 Nm (442 lb-ft)
Designed for high-performance applications
Torque converter lockup for improved efficiency

Torque Converter Specifications

Torque converter diameter: 258 mm (10.16 in)
Stall speed: 2200-2400 RPM
Lockup clutch for reduced slippage

Note: Ensure proper cooling to prevent overheating under high torque loads.

Maintenance Requirements

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

Service Intervals

Fluid and filter change: Every 60,000 miles or 100,000 km
Transmission software updates: As recommended by BMW
Inspect for leaks and wear during routine maintenance

Common Maintenance Tasks

Replace transmission fluid and filter
Check and adjust transmission mounts
Inspect and replace worn seals
Perform adaptive transmission reset after service

Search Specifications

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Transmission Specifications

General information

Transmission Type: 6-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 6HP19Z

Application: 2005-2011 BMW 335I

Part Number: 24107580163

Fluid Type: BMW ATF LT 71141

Fluid Capacity: 9.5 liters

Dimensions And Weight

Length: 650 mm

Width: 420 mm

Height: 380 mm

Weight: 85 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: 450 Nm

Maximum Output Torque: 600 Nm

Operational Parameters

Maximum Engine Speed: 7000 rpm

Maximum Transmission Temperature: 120 °C

Minimum Operating Temperature: -40 °C

Clutch Pack Specifications

Clutch Material: Friction paper with steel plates

Clutch Clearance: 0.5-0.7 mm

Clutch Pack Part Number: 24107580164

Valve Body Specifications

Valve Body Part Number: 24107580165

Solenoid Type: Pulse-width modulated

Solenoid Resistance: 5-7 ohms

Tolerances And Clearances

input Shaft End Play: 0.1-0.3 mm

Output Shaft End Play: 0.1-0.3 mm

Planetary Gear Clearance: 0.05-0.15 mm

Diagnostic Specifications

Fault Codes

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

Diagnostic Tool: BMW ISTA/D

Diagnostic interface: OBD-II

Maintenance Specifications

Fluid Change interval: 60000 miles or 48 months

Filter Change interval: 60000 miles or 48 months

Seal inspection Interval: 120000 miles or 96 months

Torque Converter inspection Interval: 120000 miles or 96 months

Service Information Service

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

60000

Transmission fluid change
Transmission filter replacement
Seal inspection

Use only BMW ATF LT 71141 fluid

120000

Torque converter inspection
Clutch pack inspection
Valve body inspection

Perform diagnostic scan before service

Common Questions

Find answers to common questions about torque specifications

What is the fluid capacity of the ZF-6HP transmission in a 2005-2011 BMW 335i?

The ZF-6HP transmission in the 2005-2011 BMW 335i has a fluid capacity of approximately 9.5 liters (10 quarts) when performing a complete fluid exchange. However, during a standard fluid change, only about 4-5 liters are typically replaced.

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

The ZF-6HP transmission requires ZF Lifeguard 6 transmission fluid or an equivalent fluid meeting BMW specification LT 71141. 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 initially stated that the ZF-6HP transmission is 'lifetime-filled,' but it is generally recommended to change the fluid every 60,000-100,000 miles (96,000-160,000 km) under normal driving conditions. Severe driving conditions may require more frequent changes.

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

Common symptoms include harsh shifting, delayed engagement, slipping gears, transmission warning lights, and unusual noises such as whining or grinding. These issues may indicate low fluid levels, worn components, or internal damage.

Can the ZF-6HP transmission be repaired, or does it need to be replaced?

The ZF-6HP transmission can often be repaired by replacing worn components such as solenoids, valve bodies, or clutch packs. However, severe internal damage may require a complete transmission replacement. Always consult a certified technician for diagnosis.

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 procedures, torque specifications, and diagnostic information.

BMW Technical Service Bulletins (TSBs)

Coming Soon

Access BMW TSBs related to the ZF-6HP transmission, including updates, recalls, and common issues.

ZF Lifeguard 6 Fluid Specifications

Coming Soon

Detailed specifications and compatibility information for ZF Lifeguard 6 transmission fluid.

BMW 335i Owner's Forum

Coming Soon

Community-driven forum discussing maintenance, repairs, and performance upgrades for the BMW 335i, including ZF-6HP transmission topics.

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Technical Information

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