BMW 340i 2019-present ZF 8HP Transmission Specifications
Comprehensive technical specifications for the ZF-8HP automatic transmission used in the 2019-Present BMW 340i. This document covers gear ratios, torque capacity, fluid specifications, shift logic, and diagnostic codes specific to this transmission system.
Overview Specifications
Comprehensive description of the zf-8hp-transmission specifications for the 2019-Present bmw 340I, including key features, measurements, and technical details
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Use the search function to locate specific zf-8hp-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
8-speed automatic
Torque Capacity
500 Nm (369 lb-ft)
Fluid Capacity
9.5 liters (10.0 quarts)
Shift Time
200 milliseconds
Available Specifications
Transmission Design and Architecture
Detailed information on the design, architecture, and key components of the zf-8hp-transmission.
Transmission Design and Architecture
Detailed information on the design, architecture, and key components of the zf-8hp-transmission.
Transmission Type and Configuration
- 8-speed automatic transmission
- Longitudinal mounting configuration
- Compact and lightweight design for improved efficiency
- Integrated torque converter with lock-up clutch
Gear Ratios
- 1st gear: 5.000:1
- 2nd gear: 3.200:1
- 3rd gear: 2.143:1
- 4th gear: 1.720:1
- 5th gear: 1.314:1
- 6th gear: 1.000:1
- 7th gear: 0.822:1
- 8th gear: 0.640:1
- Reverse gear: 3.295:1
Note: Gear ratios optimized for performance and fuel efficiency.
Performance and Capabilities
Technical details on the performance metrics and capabilities of the zf-8hp-transmission.
Performance and Capabilities
Technical details on the performance metrics and capabilities of the zf-8hp-transmission.
Torque Capacity
- Maximum torque capacity: 500 Nm (369 lb-ft)
- Designed to handle high-performance engine outputs
- Supports dynamic driving modes (Sport, Comfort, Eco Pro)
Shift Characteristics
- Shift times as low as 200 milliseconds
- Adaptive shift strategy for smooth and precise gear changes
- Supports manual shifting via paddle shifters
Note: Shift times may vary based on driving conditions and mode.
Maintenance and Fluid Specifications
Guidelines and specifications for maintaining the zf-8hp-transmission.
Maintenance and Fluid Specifications
Guidelines and specifications for maintaining the zf-8hp-transmission.
Fluid Capacity and Type
- Transmission fluid capacity: 9.5 liters (10.0 quarts)
- Recommended fluid: ZF Lifeguard 8
- Fluid change interval: 80,000 km (50,000 miles) or as per BMW guidelines
Service Requirements
- Regular inspection of transmission fluid level and condition
- Diagnostic checks using BMW ISTA software
- Replacement of transmission pan and filter during fluid changes
Note: Use only BMW-approved fluids and components for maintenance.
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Transmission Specifications
General information
- Transmission Type
- 8-speed automatic
- Manufacturer
- ZF Friedrichshafen AG
- Model
- 8HP50
- Part Number
- 24108648809
- Compatibility
- 2019-Present BMW 340I
- Weight
- 87 kg (191.8 lbs)
Performance Specifications
- Maximum Torque
- 500 Nm (368.8 lb-ft)
- Maximum Power
- 382 hp (285 kW)
- Gear Ratios
- 1st Gear: 4.7142nd Gear: 3.1433rd Gear: 2.1064th Gear: 1.6675th Gear: 1.2856th Gear: 1.0007th Gear: 0.8398th Gear: 0.667Reverse Gear: 3.317
- Shift Times
- 200 milliseconds
Fluid Specifications
- Fluid Type
- ZF Lifeguard 8
- Fluid Capacity
- 9.5 liters (10.04 quarts)
- Fluid Change interval
- 60,000 miles or 60 months
- Fluid Temperature Range
- -40°C to 150°C (-40°F to 302°F)
Operational Parameters
- Maximum input Speed
- 7000 rpm
- Maximum Output Speed
- 8000 rpm
- Operating Temperature Range
- -40°C to 150°C (-40°F to 302°F)
- Pressure Range
- 2.5 to 20 bar (36.3 to 290.1 psi)
Maintenance Specifications
- Filter Part Number
- 24117580125
- Filter Change interval
- 60,000 miles or 60 months
- Sealant Type
- Loctite 574
- Torque Specifications
- Pan Bolts: 10 Nm (7.4 lb-ft)Fill Plug: 40 Nm (29.5 lb-ft)Drain Plug: 40 Nm (29.5 lb-ft)
Diagnostic Specifications
- Diagnostic Tool
- BMW ISTA
- Fault Codes
-
- P0700
- P0715
- P0720
- P0730
- Diagnostic Procedures
-
- Check transmission fluid level and condition
- Inspect for leaks
- Perform adaptation reset
Safety information
- Warning
- Always use manufacturer-recommended fluids and parts
- Caution
- Ensure transmission is at operating temperature before checking fluid level
- Note
- Use only BMW-approved diagnostic tools for accurate fault code reading
Related Components
- Mechatronic Unit
- Part Number: 24108648810Description: Integrated control unit for transmission
- Torque Converter
- Part Number: 24108648811Description: Hydraulic coupling for torque transfer
- Output Shaft
- Part Number: 24108648812Description: Transfers power to the drivetrain
Tolerances
- Gear Mesh Tolerance
- 0.05 mm (0.002 inches)
- Bearing Clearance
- 0.1 mm (0.004 inches)
- Shaft End Play
- 0.2 mm (0.008 inches)
Electrical Specifications
- Voltage Range
- 9V to 16V
- Current Draw
- 2A to 5A
- Connector Type
- AMP Superseal 1.5
Service Information Service
Detailed service requirements and schedules for the ZF 8HP transmission
- Inspect transmission fluid level
- Check for leaks
- Perform diagnostic scan
Ensure fluid is at operating temperature before checking level
- Replace transmission fluid
- Replace transmission filter
- Perform adaptation reset
Use only ZF Lifeguard 8 fluid
- Inspect mechatronic unit
- Check torque converter
- Perform full diagnostic scan
Replace any worn or damaged components
Common Questions
Find answers to common questions about torque specifications
Q1 What is the torque capacity of the ZF 8HP transmission in the 2019-Present BMW 340i?
What is the torque capacity of the ZF 8HP transmission in the 2019-Present BMW 340i?
The ZF 8HP transmission in the 2019-Present BMW 340i has a torque capacity of up to 500 Nm (369 lb-ft). This allows it to handle the high torque output of the B58 3.0L inline-6 turbocharged engine.
Q2 What are the gear ratios for the ZF 8HP transmission in the BMW 340i?
What are the gear ratios for the ZF 8HP transmission in the BMW 340i?
The ZF 8HP transmission in the BMW 340i features the following gear ratios: 1st gear - 5.000, 2nd gear - 3.200, 3rd gear - 2.143, 4th gear - 1.720, 5th gear - 1.313, 6th gear - 1.000, 7th gear - 0.822, 8th gear - 0.640. The reverse gear ratio is 3.857.
Q3 How does the ZF 8HP transmission improve fuel efficiency in the BMW 340i?
How does the ZF 8HP transmission improve fuel efficiency in the BMW 340i?
The ZF 8HP transmission improves fuel efficiency through its wide gear spread, allowing the engine to operate at lower RPMs during cruising. Additionally, it features a start-stop function and coasting mode, which further reduce fuel consumption by disengaging the drivetrain when the vehicle is stationary or decelerating.
Q4 What type of transmission fluid is recommended for the ZF 8HP in the BMW 340i?
What type of transmission fluid is recommended for the ZF 8HP in the BMW 340i?
The ZF 8HP transmission in the BMW 340i requires ZF Lifeguard 8 transmission fluid. This specific fluid is designed to meet the exacting requirements of the transmission, ensuring optimal performance and longevity. The fluid capacity is approximately 9.5 liters (10 quarts) during a full service.
Q5 How often should the ZF 8HP transmission fluid be changed in the BMW 340i?
How often should the ZF 8HP transmission fluid be changed in the BMW 340i?
BMW recommends a transmission fluid change every 60,000 to 100,000 miles, depending on driving conditions. However, for optimal performance and longevity, it is advisable to follow the maintenance schedule outlined in the vehicle's owner's manual or consult a certified BMW service center.
Q6 Can the ZF 8HP transmission in the BMW 340i be tuned for improved performance?
Can the ZF 8HP transmission in the BMW 340i be tuned for improved performance?
Yes, the ZF 8HP transmission can be tuned for improved performance. Aftermarket tuning solutions can adjust shift points, increase torque limits, and enhance overall responsiveness. However, such modifications may void the vehicle's warranty and should only be performed by experienced professionals.
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 8HP Transmission Technical Overview
Coming SoonA detailed technical overview of the ZF 8HP transmission, including its design, features, and benefits for the BMW 340i.
BMW 340i Owner's Manual
Coming SoonThe official owner's manual for the 2019-Present BMW 340i, containing detailed information on transmission operation, maintenance, and troubleshooting.
ZF Lifeguard 8 Transmission Fluid Specifications
Coming SoonTechnical specifications and usage guidelines for ZF Lifeguard 8 transmission fluid, recommended for the ZF 8HP transmission in the BMW 340i.
BMW Service and Maintenance Schedule
Coming SoonThe official service and maintenance schedule for the BMW 340i, including recommended intervals for transmission fluid changes and inspections.
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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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