BMW X3 2022-present

BMW X3 2022-present ZF 8HP Transmission Specifications

Comprehensive technical specifications for the ZF-8HP automatic transmission used in the 2022-Present BMW X3. This document covers gear ratios, torque capacity, fluid requirements, shift logic, and diagnostic protocols specific to this transmission system.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the zf-8hp-transmission specifications for the 2022-Present BMW X3, 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 '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

Maximum Torque Capacity

500 Nm (369 lb-ft)

Fluid Capacity

9.5 liters (10.0 quarts)

Weight

86 kg (189.6 lbs)

Gear Ratios

1st: 5.000:1, 8th: 0.640:1

Available Specifications

Transmission Design and Architecture

Details about the design, architecture, and key components of the zf-8hp-transmission

Transmission Layout

8-speed automatic transmission with planetary gear sets
Compact and lightweight design for improved efficiency
Integrated torque converter with lock-up clutch
Electronically controlled hydraulic system for precise shifting

Material and Construction

High-strength aluminum alloy housing for reduced weight
Precision-machined gears for durability and smooth operation
Advanced sealing technology to prevent fluid leaks
Optimized internal lubrication system for longevity

Note: The transmission is designed to handle high torque loads while maintaining smooth and efficient operation.

Performance Specifications

Technical details about the performance capabilities of the zf-8hp-transmission

Torque and Power Handling

Maximum torque capacity: 500 Nm (369 lb-ft)
Compatible with engines producing up to 300 kW (402 hp)
Optimized for both gasoline and diesel engines
Supports start-stop functionality for improved fuel efficiency

Gear Ratios

1st gear ratio: 5.000:1
2nd gear ratio: 3.200:1
3rd gear ratio: 2.143:1
4th gear ratio: 1.720:1
5th gear ratio: 1.314:1
6th gear ratio: 1.000:1
7th gear ratio: 0.822:1
8th gear ratio: 0.640:1
Reverse gear ratio: 4.917:1

Note: The wide range of gear ratios ensures optimal performance and fuel efficiency across all driving conditions.

Maintenance and Fluid Specifications

Information about maintenance requirements and fluid specifications for the zf-8hp-transmission

Fluid Capacity and Type

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

Maintenance Procedures

Regular inspection of fluid level and condition
Replacement of transmission filter during fluid changes
Diagnostic scan for fault codes using BMW-specific tools
Calibration of transmission control unit after service

Note: Proper maintenance is critical to ensure the longevity and performance of the transmission.

Electronics and Control Systems

Details about the electronic control systems and integration with the BMW X3

Transmission Control Unit (TCU)

Integrated TCU with adaptive shift logic
Supports BMW Driving Experience Control modes (Comfort, Sport, Eco Pro)
Real-time monitoring of transmission parameters
Over-the-air software updates for improved performance

Integration with Vehicle Systems

Seamless integration with BMW xDrive all-wheel-drive system
Communication with engine control unit for optimized shifting
Compatibility with BMW ConnectedDrive services
Support for advanced driver-assistance systems (ADAS)

Note: The TCU ensures smooth and responsive shifting tailored to the driver's preferences and road conditions.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 8-speed automatic

Manufacturer: ZF Friedrichshafen AG

Part Number: 8HP50X

Model Year: 2022-Present

Compatible Models

BMW X3 (G01)

Assembly Location: Saarbrücken, Germany

Dimensions And Weight

Length: 720 mm

Width: 550 mm

Height: 420 mm

Weight: 87 kg

Fluid Capacity: 9.5 liters

Gear Ratios

1st Gear: 4.714:1

2nd Gear: 3.143:1

3rd Gear: 2.106:1

4th Gear: 1.667:1

5th Gear: 1.285:1

6th Gear: 1.000:1

7th Gear: 0.839:1

8th Gear: 0.667:1

Reverse Gear: 3.317:1

Torque Capacity

Maximum input Torque: 500 Nm

Maximum Output Torque: 3000 Nm

Torque Converter Lockup Speed: 1500 rpm

Operational Parameters

Maximum Engine Speed: 7000 rpm

Shift Response Time: 200 ms

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

Fluid Type: ZF LifeguardFluid 8

Fluid Viscosity: 7.5 cSt at 100°C

Electronic Controls

Control Unit: EGS (Electronic Transmission Control)

Sensors

Input speed sensor
Output speed sensor
Temperature sensor
Pressure sensor

Communication Protocol: CAN bus

Software Version: v2.3.1

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 Codes

P0700
P0715
P0720
P0730
P0741

Diagnostic Tool: BMW ISTA

Diagnostic Protocol: ISO 14229 (UDS)

Self Diagnostic Capabilities

Transmission control module
Sensor diagnostics
Actuator diagnostics

Safety information

High Pressure Warning: Transmission fluid pressure can exceed 20 bar

High Temperature Warning: Avoid operating above 150°C

Fluid Handling: Use only ZF LifeguardFluid 8

Safety Gear

Gloves
Safety glasses
Protective clothing

Related Components

Torque Converter: Part Number: 8HP50X-TC
Diameter: 280 mm
Stall Speed: 2200 rpm

Drive Shaft: Part Number: 8HP50X-DS
Length: 1200 mm
Material: Carbon steel

Transmission Mount: Part Number: 8HP50X-MT
Material: Aluminum alloy
Weight: 2.5 kg

Service Information Service

Detailed service requirements and schedules for the ZF 8HP transmission in the 2022-Present BMW X3

30,000 miles

24 months

Inspect transmission fluid level
Check for leaks
Inspect transmission mounts

Perform visual inspection and top-up fluid if necessary

60,000 miles

48 months

Replace transmission fluid
Replace transmission filter
Inspect torque converter

Use only ZF LifeguardFluid 8 for replacement

100,000 miles

84 months

Inspect and replace seals if necessary
Check electronic control unit for updates
Perform full diagnostic scan

Ensure all software updates are applied

Common Questions

Find answers to common questions about torque specifications

What is the torque capacity of the ZF 8HP transmission in the 2022-Present BMW X3?

The ZF 8HP transmission used in the 2022-Present BMW X3 has a torque capacity of up to 500 Nm (369 lb-ft), making it suitable for both gasoline and diesel engine variants.

How many gears does the ZF 8HP transmission have?

The ZF 8HP transmission is an 8-speed automatic transmission, providing smooth gear shifts and optimized fuel efficiency across a wide range of driving conditions.

What type of fluid is recommended for the ZF 8HP transmission in the BMW X3?

BMW recommends using ZF LifeguardFluid 8, a specific transmission fluid designed for the ZF 8HP series. The fluid capacity is approximately 9.5 liters, but always refer to the vehicle's service manual for exact specifications.

Can the ZF 8HP transmission be serviced or repaired by independent shops?

While independent shops can perform basic maintenance like fluid changes, complex repairs or software updates should be handled by authorized BMW service centers to ensure proper calibration and avoid voiding the warranty.

What is the service interval for the ZF 8HP transmission in the BMW X3?

BMW typically recommends a transmission fluid and filter change every 60,000 to 100,000 miles, depending on driving conditions. However, always consult the owner's manual or a BMW service advisor for the exact interval.

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 Soon

A detailed technical guide covering the design, operation, and specifications of the ZF 8HP transmission used in BMW vehicles.

BMW X3 Service Manual (2022-Present)

Coming Soon

The official service manual for the 2022-Present BMW X3, including transmission maintenance and repair procedures.

ZF LifeguardFluid 8 Product Information

Coming Soon

Product details and usage guidelines for ZF LifeguardFluid 8, the recommended transmission fluid for the ZF 8HP series.

BMW Warranty and Maintenance Guide

Coming Soon

A comprehensive guide to BMW's warranty coverage and maintenance requirements, including transmission-related services.

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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.
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Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
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