BMW 330i 2019-present

BMW 330i 2019-present ZF 8HP Transmission Specifications

Comprehensive technical specifications for the ZF-8HP automatic transmission used in the 2019-Present BMW 330i. This document covers gear ratios, torque capacity, fluid specifications, shift logic, and diagnostic codes specific to this transmission system.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the ZF 8HP transmission specifications for the 2019-Present BMW 330i, including key features, measurements, and technical details.

How to Use

Use the search function to locate specific ZF 8HP transmission specifications by entering keywords such as 'gear ratios', 'torque capacity', 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.

Key Specifications

Transmission Type

8-speed automatic

Maximum Torque

500 Nm (369 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Weight

86 kg (189.6 lbs)

Length

600 mm (23.6 in)

Available Specifications

General Specifications

This section provides an overview of the ZF 8HP transmission's design, dimensions, and key technical attributes.

Transmission Design

8-speed automatic transmission with torque converter
Compact and lightweight design for improved fuel efficiency
Integrated mechatronic system for precise gear shifts
Total weight: 86 kg (189.6 lbs)
Length: 600 mm (23.6 in)

Fluid Specifications

Transmission fluid type: ZF Lifeguard 8
Fluid capacity: 9.5 liters (10.0 quarts)
Fluid change interval: 80,000 km (50,000 miles)
Operating temperature range: -40°C to 150°C (-40°F to 302°F)

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

Gear Ratios

This section details the gear ratios of the ZF 8HP transmission, which contribute to its smooth and efficient performance.

Forward 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

Additional Gear Ratios

6th gear: 1.000:1
7th gear: 0.822:1
8th gear: 0.640:1
Reverse gear: 4.917:1

Note: The wide range of gear ratios ensures optimal performance across various driving conditions.

Torque Capacity

This section outlines the torque handling capabilities of the ZF 8HP transmission, ensuring compatibility with the BMW 330i's engine.

Maximum Torque

Maximum torque capacity: 500 Nm (369 lb-ft)
Designed to handle the BMW 330i's 2.0L turbocharged engine output
Torque converter lock-up clutch for improved efficiency
Dynamic torque distribution for enhanced driving dynamics

Torque Converter Specifications

Torque converter diameter: 270 mm (10.6 in)
Lock-up clutch engagement speed: 1,500 rpm
Hydraulic pressure range: 5-20 bar (72.5-290 psi)

Note: The torque converter is optimized for smooth engagement and reduced power loss.

Maintenance

This section provides guidelines for maintaining the ZF 8HP transmission to ensure long-term reliability and performance.

Service Intervals

Transmission fluid change: Every 80,000 km (50,000 miles)
Filter replacement: Every 160,000 km (100,000 miles)
Diagnostic scan: Every 20,000 km (12,500 miles)
Inspect for leaks and wear during routine maintenance

Diagnostic Tools

Use ISTA/D diagnostic software for fault code reading
Check transmission control module (TCM) for updates
Monitor fluid temperature and pressure during diagnostics
Perform adaptation reset after fluid changes

Note: Regular diagnostics and software updates are essential for optimal transmission performance.

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Transmission Specifications

General information

Transmission Type: 8-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model Code: 8HP50

Part Number: 24108648809

Compatibility: 2019-Present BMW 330i

Weight: 87 kg (191.8 lbs)

Dimensions

Length: 720 mm (28.35 in)

Width: 550 mm (21.65 in)

Height: 400 mm (15.75 in)

input Shaft Diameter: 28 mm (1.10 in)

Output Shaft Diameter: 32 mm (1.26 in)

Performance Parameters

Maximum Torque: 500 Nm (368.8 lb-ft)

Maximum input Speed: 7000 rpm

Gear Ratios: 1st Gear: 4.714
2nd Gear: 3.143
3rd Gear: 2.106
4th Gear: 1.667
5th Gear: 1.285
6th Gear: 1.000
7th Gear: 0.839
8th Gear: 0.667
Reverse Gear: 3.317

Shift Time: 200 ms

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 Limits

Maximum Operating Temperature: 120°C (248°F)

Minimum Operating Temperature: -40°C (-40°F)

Maximum Fluid Pressure: 20 bar (290 psi)

Maximum Torque Converter Slip: 5%

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 - Transmission Control System Malfunction
P0715 - Input/Turbine Speed Sensor Circuit Malfunction
P0720 - Output Speed Sensor Circuit Malfunction
P0730 - Incorrect Gear Ratio

Diagnostic interval: Every 15,000 miles or 12 months

Safety information

Warning: Do not operate the transmission without proper fluid levels

Caution: Ensure the transmission is at operating temperature before performing diagnostics

Note: Use only manufacturer-recommended fluids and parts

Related Components

Torque Converter: Part Number: 24007580123
Maximum Slip: 5%
Stall Speed: 2200 rpm

Mechatronic Unit: Part Number: 24108648810
Operating Voltage: 12V
Maximum Current: 5A

Cooling System: Part Number: 17127580124
Coolant Type: BMW Coolant
Coolant Capacity: 1.5 liters (1.59 quarts)

Tolerances

Gear Clearance: 0.1 mm to 0.3 mm (0.004 in to 0.012 in)

Bearing Clearance: 0.05 mm to 0.15 mm (0.002 in to 0.006 in)

Shaft End Play: 0.2 mm to 0.5 mm (0.008 in to 0.020 in)

Service Information Service

Detailed service requirements and schedules for the ZF 8HP transmission

30,000 miles

24 months

Check transmission fluid level
Inspect for leaks
Perform diagnostic scan

Ensure fluid is at operating temperature before checking level

60,000 miles

60 months

Replace transmission fluid
Replace transmission filter
Inspect torque converter
Perform diagnostic scan

Use only ZF Lifeguard 8 fluid

100,000 miles

120 months

Inspect and replace worn components
Perform full diagnostic scan
Check and adjust shift points

Replace any components showing signs of wear or damage

Common Questions

Find answers to common questions about torque specifications

What is the torque capacity of the ZF 8HP transmission in the 2019-Present BMW 330i?

The ZF 8HP transmission used in the 2019-Present BMW 330i has a torque capacity of up to 500 Nm (369 lb-ft). This ensures optimal performance and durability for the vehicle's powertrain.

What type of fluid is recommended for the ZF 8HP transmission in the BMW 330i?

BMW recommends using ZF Lifeguard 8 transmission fluid for the ZF 8HP transmission. This fluid is specifically formulated to meet the transmission's requirements, ensuring smooth operation and longevity.

How often should the transmission fluid be replaced in the ZF 8HP transmission?

BMW typically recommends a transmission fluid and filter change every 60,000 to 100,000 miles (96,000 to 160,000 km) under normal driving conditions. However, severe driving conditions may require more frequent service intervals.

What are the key features of the ZF 8HP transmission in the BMW 330i?

The ZF 8HP transmission features 8-speed automatic gear ratios, adaptive shift programming, and a lightweight design. It also includes start-stop functionality and rapid gear changes for improved fuel efficiency and performance.

Can the ZF 8HP transmission be reprogrammed or updated?

Yes, the ZF 8HP transmission can be reprogrammed or updated using BMW's ISTA diagnostic software. This allows for updates to the transmission control unit (TCU) to improve performance, shift quality, and compatibility with software updates.

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 Manual

Coming Soon

Official technical manual from ZF detailing specifications, maintenance procedures, and troubleshooting for the 8HP transmission.

BMW 330i Service Schedule

Coming Soon

Detailed service schedule for the 2019-Present BMW 330i, including transmission fluid change intervals and recommended maintenance tasks.

ZF Lifeguard 8 Fluid Specifications

Coming Soon

Technical data sheet for ZF Lifeguard 8 transmission fluid, including viscosity, temperature range, and compatibility information.

BMW ISTA Diagnostic Software Guide

Coming Soon

Comprehensive guide on using BMW's ISTA diagnostic software for updating and reprogramming the ZF 8HP transmission.

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