BMW X1 2022-present

BMW X1 2022-present ZF 8HP Transmission Specifications

Comprehensive technical specifications for the ZF-8HP automatic transmission used in the 2022-Present BMW X1. This document covers detailed operational parameters, torque capacity, gear ratios, fluid specifications, and diagnostic codes specific to the ZF-8HP transmission system.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the zf-8hp-transmission specifications for the 2022-Present BMW X1, 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

Torque Capacity

500 Nm

Weight

87 kg

Fluid Capacity

9.5 liters

Shift Time

200 ms

Operating Temperature

-40°C to 150°C

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 up to 500 Nm of torque.

Performance Specifications

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

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

Shift Characteristics

Shift times as low as 200 milliseconds
Adaptive shift strategy for dynamic driving conditions
Smooth and precise gear changes for enhanced comfort
Supports manual shifting via paddle shifters

Note: Shift times may vary based on driving mode and conditions.

Maintenance and Fluid Specifications

Information about maintenance requirements and fluid specifications for 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: 60,000 miles or 96,000 km
Fluid operating temperature range: -40°C to 150°C

Maintenance Procedures

Regular inspection of fluid levels and condition
Replacement of transmission filter during fluid changes
Diagnostic scan for error codes and system health
Periodic calibration of shift points for optimal performance

Note: Use only manufacturer-approved fluids and components for maintenance.

Search Specifications

Search by specification name, value, or description

Transmission Specifications

General information

Transmission Type: 8-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model: 8HP51

Part Number: 24108648801

Compatibility: 2022-Present BMW X1

Weight: 87 kg (191.8 lbs)

Dimensions

Length: 720 mm (28.35 in)

Width: 550 mm (21.65 in)

Height: 380 mm (14.96 in)

input Shaft Diameter: 28 mm (1.10 in)

Output Shaft Diameter: 32 mm (1.26 in)

Performance

Maximum Torque: 500 Nm (368.8 lb-ft)

Maximum Power: 300 kW (402 hp)

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

Shift Time: 200 ms

Fluid Specifications

Fluid Type: ZF Lifeguard 8

Fluid Capacity: 9.5 liters (2.51 gallons)

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: 6500 rpm

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

Pressure Range: 2.5 to 20 bar (36.3 to 290.1 psi)

Electronic Control

Control Unit: EGS (Electronic Transmission Control)

Sensors

Input speed sensor
Output speed sensor
Temperature sensor
Pressure sensor

Communication Protocol: CAN bus

Maintenance

Filter Part Number: 24108648802

Filter Change interval: 60,000 miles or 60 months

Seal Part Number: 24108648803

Seal Replacement interval: 120,000 miles or 120 months

Torque Converter Drain Interval: 120,000 miles or 120 months

Diagnostics

Diagnostic Tool: BMW ISTA

Fault Codes

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

Diagnostic Procedure: Use ISTA to read fault codes and perform system tests

Safety information

Warning: Always disconnect the battery before servicing the transmission

Caution: Use only specified transmission fluid to avoid damage

Note: Ensure all bolts are torqued to specification during reassembly

Torque Specifications

Pan Bolts: 10 Nm (7.4 lb-ft)

Valve Body Bolts: 8 Nm (5.9 lb-ft)

input Shaft Nut: 120 Nm (88.5 lb-ft)

Output Shaft Nut: 140 Nm (103.2 lb-ft)

Service Information Service

Detailed service requirements and schedules for the ZF 8HP transmission

60,000 miles

60 months

Transmission fluid change
Filter replacement
Diagnostic check

Use only ZF Lifeguard 8 fluid

120,000 miles

120 months

Seal replacement
Torque converter drain and refill
Comprehensive diagnostic check

Inspect for leaks and wear during service

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 X1?

The ZF-8HP transmission in the 2022-Present BMW X1 has a torque capacity of up to 500 Nm (369 lb-ft), making it suitable for a wide range of engine outputs and driving conditions.

How many gears does the ZF-8HP transmission have?

The ZF-8HP transmission is an 8-speed automatic transmission, providing smooth and efficient gear shifts across a wide range of driving scenarios.

What type of fluid is recommended for the ZF-8HP transmission in the BMW X1?

BMW recommends using ZF LifeguardFluid 8, specifically designed for the ZF-8HP transmission. The fluid capacity is approximately 9.5 liters (10 quarts), but always refer to the vehicle's service manual for exact specifications.

What is the service interval for the ZF-8HP transmission in the BMW X1?

BMW does not specify a fixed service interval for the ZF-8HP transmission under normal driving conditions. However, it is recommended to inspect the transmission fluid and condition every 60,000 to 100,000 miles or as indicated by the vehicle's onboard diagnostics.

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. Updates may improve shift quality, performance, and compatibility with new engine software versions.

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 overview of the ZF-8HP transmission, including its design, features, and compatibility with BMW vehicles.

BMW X1 Service Manual

Coming Soon

The official service manual for the 2022-Present BMW X1, containing detailed instructions for maintaining and repairing the ZF-8HP transmission.

ZF LifeguardFluid 8 Product Information

Coming Soon

Product information and specifications for ZF LifeguardFluid 8, the recommended transmission fluid for the ZF-8HP transmission.

BMW ISTA Diagnostic Software Guide

Coming Soon

A guide to using BMW's ISTA diagnostic software for reprogramming and updating the ZF-8HP transmission.

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Technical Information

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