BMW 340i 2005-2011

BMW 340i 2005-2011 ZF 6HP Transmission Specifications

Comprehensive technical specifications for the ZF-6HP automatic transmission system used in the 2005-2011 BMW 340I. 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 14, 2023

Overview Specifications

Comprehensive description of the zf-6hp-transmission specifications for the 2005-2011 bmw 340I, 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 by selecting the desired section from the table of contents or using the sidebar menu to jump to specific subsections.

Key Specifications

Torque Capacity

440 Nm (324 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Weight (Dry)

85 kg (187 lbs)

Gear Ratios (1st)

4.171:1

Operating Temp Range

-40°C to 150°C (-40°F to 302°F)

Available Specifications

Transmission Design and Architecture

Detailed overview of the zf-6hp-transmission's design, including its layout, components, and construction.

Transmission Layout

6-speed automatic transmission with planetary gearset
Compact and lightweight design for improved efficiency
Integrated torque converter with lock-up clutch
Electronically controlled hydraulic system

Key Components

Planetary gearset with 6 forward gears and 1 reverse gear
Multi-plate wet clutch system for smooth shifting
High-strength aluminum alloy casing
Integrated mechatronic control unit

Note: The mechatronic unit combines hydraulic and electronic controls for precise gear shifts.

Performance Specifications

Technical details regarding the transmission's performance capabilities, including torque handling and gear ratios.

Torque Capacity

Maximum torque capacity: 440 Nm (324 lb-ft)
Designed for high-performance applications
Optimized for BMW's inline-6 engines
Supports dynamic driving conditions

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

Note: Gear ratios are optimized for both performance and fuel efficiency.

Maintenance and Fluid Specifications

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

Fluid Capacity

Total fluid capacity: 9.5 liters (10.0 quarts)
Fluid type: ZF Lifeguard 6 or equivalent
Fluid change interval: 60,000 miles or 5 years
Fluid operating temperature range: -40°C to 150°C (-40°F to 302°F)

Maintenance Requirements

Regular fluid and filter changes required
Inspect for leaks and wear during service intervals
Reset adaptation values after fluid change
Use only ZF-approved fluids and components

Note: Improper fluid or maintenance can lead to transmission failure.

Technical Dimensions and Weight

Detailed measurements and weight specifications for the zf-6hp-transmission.

Dimensions

Length: 650 mm (25.6 in)
Width: 450 mm (17.7 in)
Height: 350 mm (13.8 in)
Mounting bolt pattern: 6 x M10 bolts

Weight

Dry weight: 85 kg (187 lbs)
Weight with fluid: 92 kg (203 lbs)
Weight distribution optimized for vehicle balance

Note: Weight includes the torque converter and fluid.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 6-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 6HP19/6HP21/6HP26

Applicable Vehicles

2005-2011 BMW 340I

Part Number: 24 11 7 561 123

Weight: 87 kg (191.8 lbs)

Fluid Specifications

Fluid Type: ZF Lifeguard 6

Fluid Capacity: 9.5 liters (10.0 quarts)

Fluid Change interval: 60,000 miles or 60 months

Fluid Temperature Range: -40°C to 150°C (-40°F to 302°F)

Fluid Pressure: 4.5-5.5 bar (65-80 psi)

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 (332 lb-ft)

Maximum Output Torque: 600 Nm (443 lb-ft)

Torque Converter Stall Torque: 2.2:1

Operational Parameters

Maximum Engine Speed: 7000 rpm

Shift Response Time: 150-200 ms

Operating Temperature Range: -30°C to 120°C (-22°F to 248°F)

Maximum Vehicle Speed: 250 km/h (155 mph)

Mechanical Specifications

input Shaft Diameter: 30 mm (1.18 in)

Output Shaft Diameter: 32 mm (1.26 in)

Clutch Pack Count: 5

Planetary Gear Set Count: 3

Bearing Type: Tapered roller bearings

Electrical Specifications

Solenoid Valve Count: 8

Transmission Control Module Voltage: 12V DC

Sensor Types

Speed sensor
Temperature sensor
Pressure sensor

Connector Type: 12-pin electrical connector

Maintenance Specifications

Filter Change interval: 60,000 miles or 60 months

Seal Replacement interval: 100,000 miles or 120 months

Pan Gasket Part Number: 24 11 7 561 124

Filter Part Number: 24 11 7 561 125

Recommended Tools

ZF diagnostic tool
Torque wrench
Fluid pump

Diagnostic Specifications

Fault Code Readout: Via OBD-II port

Common Fault Codes

P0700
P0715
P0720

Diagnostic Tool Compatibility

BMW ISTA
INPA
ZF Testman

Self Diagnostic Capabilities: Yes

Safety information

Fluid Handling Warning: Use gloves and eye protection when handling transmission fluid

High Temperature Warning: Avoid contact with hot transmission components

Electrical Safety: Disconnect battery before servicing electrical components

Service Information Service

Detailed service requirements and schedules for the ZF 6HP transmission

60,000 miles

60 months

Transmission fluid change
Filter replacement
Seal inspection

Use only ZF Lifeguard 6 fluid for optimal performance

100,000 miles

120 months

Transmission pan gasket replacement
Clutch pack inspection
Solenoid valve testing

Inspect for leaks and wear during this service interval

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 340i?

The ZF-6HP transmission in the 2005-2011 BMW 340i requires approximately 9.5 liters (10 quarts) of ZF Lifeguard 6 transmission fluid for a complete fill. Always verify the exact capacity during service as residual fluid may remain in the system.

What is the recommended service interval for the ZF-6HP transmission?

BMW recommends servicing the ZF-6HP transmission every 60,000 to 100,000 miles, depending on driving conditions. This includes replacing the transmission fluid, filter, and pan gasket. Severe driving conditions may require more frequent service.

What type of transmission fluid is compatible with the ZF-6HP transmission?

The ZF-6HP transmission requires ZF Lifeguard 6 transmission fluid (part number S671 090 170). Using other fluids may result in improper operation or damage to the transmission. Always use genuine or approved fluids.

How do I reset the transmission adaptation values after servicing the ZF-6HP transmission?

After servicing, reset the transmission adaptation values using a BMW-specific diagnostic tool such as ISTA/D or INPA. This ensures the transmission control unit relearns the optimal shift points and adapts to the new fluid and components.

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

Common symptoms include harsh or delayed shifting, slipping gears, transmission warning lights, and fluid leaks. If any of these symptoms occur, it is recommended to perform a diagnostic scan and inspect the transmission immediately.

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 procedures for maintenance, repair, and troubleshooting.

BMW ISTA/D Diagnostic Software Guide

Coming Soon

Step-by-step guide on using BMW ISTA/D for diagnosing and resetting transmission adaptation values.

ZF Lifeguard 6 Fluid Specifications

Coming Soon

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

BMW 340i Transmission Repair Guide

Coming Soon

Comprehensive repair guide for the ZF-6HP transmission in the 2005-2011 BMW 340i, including torque specifications and part numbers.

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Technical Information

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