BMW F74 E70 Gran Coupé Electric Power Steering Rack 5A8FEA8

The BMW F74 E70 Gran Coupé Electric Power Steering Rack is a component from the Steering Columns group, designed for the electric power steering system in BMW vehicles. This solution allows for precise trajectory control, stable vehicle handling, and comfortable steering system operation while maintaining factory characteristics.

Specifications and technical data

• SKU: RHD-5A8FEA8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A8FEA8
• Substitutable numbers: 5BA20A5, 32105BA20A5, 5A8FEA8
• Part type: Steering Column
• Category: Steering Columns

Purpose and Function in the Steering System

This electric steering gear is responsible for transferring motion from the steering wheel to the wheels using electric assistance. In practice, this means smoother maneuvering, better vehicle control, and the ability to precisely correct the trajectory at both low and high speeds. The use of an original BMW solution helps maintain proper system operating parameters, such as assistance force and steering wheel response.

Benefits of Using an Original BMW Steering Column

Choosing a component from the BMW Steering Columns group ensures compatibility with the vehicle's factory architecture and other steering system components. This results in:

• Compliance with BMW's factory settings and handling characteristics,
• Reduced risk of communication errors with the vehicle's electronics,
• Easier future diagnostics and servicing.

A component from this group is particularly important for post-collision repairs, replacement of worn-out steering gears, or when experiencing problems with electric power steering, such as uneven operation, knocking noises, or system error messages.

Product Characteristics and Condition

The presented steering gear belongs to the Steering Columns category and comes from BMW's offering, meaning its original geometry and mounting points are preserved. The product is used, which implies it comes from a dismantled vehicle, and its operating parameters should be verified during installation and potential adaptation in the vehicle. This type of solution is often chosen as an economical alternative to new components while maintaining compliance with factory specifications.

Diagnostics, Installation, and Operation

Before installation, a thorough inspection of the steering system is recommended, including mechanical play, mounting condition, and any potential leaks or accessory damage. For electric power steering, it is also crucial to:

• Check the correctness of electrical connections and grounds,
• Perform system adaptation or calibration using an appropriate diagnostic tester,
• Verify the absence of errors in the steering system control unit after installation.

To better understand the operation of the steering system and common fault symptoms, consult the guide: Steering System and Power Steering – How it Works and What Fails?. The article discusses, among other things, the operation of steering columns, examples of faults, and practical diagnostic tips.

Expanding Repair Scope and Selecting Other Components

If you are planning a comprehensive repair or upgrade of the steering system area in your BMW and need other components from the same group, such as steering gears, columns, or intermediate elements, check the available parts in the BMW Steering Columns category.

Summary

The BMW F74 E70 Gran Coupé Electric Power Steering Rack is a solution for users who expect to maintain BMW's characteristic handling while reducing repair costs by using a used part. A properly selected and installed electric steering gear allows for the restoration of correct steering system operation, improved maneuvering comfort, and maintained vehicle stability in daily use.