BMW X3 F25 F26 X4 RI N57 Electrical Power Steering Rack Column Box 6873159

The BMW X3 F25 / X4 F26 N57 Electric Power Steering Column is an original BMW steering system component designed for vehicles with an N57 engine. With integrated electric power assistance, it ensures precise handling, stable trajectory maintenance, and comfortable maneuvering in everyday use. This OEM solution allows for the restoration of proper steering system function without compromising safety.

Specifications and technical data

• SKU: RHD-6873159
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6873159
• Substitutable numbers: 6873159, 32105A24382, 32 10 5 A24 382
• Part type: Steering Gear
• Category: Gearboxes, Racks & Pinions

Intended Use and Compatibility

The presented BMW steering column is designed for BMW X3 F25 and BMW X4 F26 models equipped with an N57 engine and electric power steering. The use of a genuine BMW OE solution means maintaining the correct system geometry, appropriate mounting points, and proper integration with the vehicle's electronics.

The column is part of an EPS (Electric Power Steering) system, where the assistance force is generated by an electric motor integrated with the steering rack. This solution allows for precise control of the assistance force by the vehicle's control unit, as well as cooperation with safety systems such as traction control or stability assist systems.

Steering Column Construction and Function

The steering column plays a crucial role in transferring motion from the steering wheel to the steering rack, and in the electric power steering version, it additionally integrates components responsible for generating and modulating the assistance force. In practice, this means:

• a rigid connection to the body and the steering rack,
• integrated mechanical components responsible for torque transfer,
• cooperation with the electric power steering system, which reduces the force required to turn the steering wheel.

Thanks to its OEM construction, the column maintains factory operating parameters, which translates to predictable vehicle responses, proper steering feel, and consistency with BMW's characteristic driving dynamics.

Condition, Quality, and Benefits of Using a Used OEM Part

The offered steering column comes from the segment of used BMW OE parts, meaning it is an original component from a dismantled vehicle, not a replacement of unknown origin. In practice, this offers several significant benefits:

• factory fit for a specific generation of BMW X3 F25 / X4 F26,
• maintenance of original steering system operating parameters,
• compatibility with the vehicle's software and electronics.

A used steering column is a good solution when the existing component has suffered mechanical damage or there are problems with the electric power steering, and repairing the old unit is not cost-effective. Replacing it with a complete OEM part can reduce vehicle downtime and lower costs compared to purchasing a new part.

Why Choose a BMW Steering Column with Electric Power Steering

Using an original steering column with electric power steering in the BMW X3 F25 / X4 F26 allows for the restoration of proper steering system function, eliminating common wear symptoms such as play, inconsistent assistance force, or unsettling noises during turns. This is particularly important in N57 engine vehicles, where the car's weight and performance demand a functional, predictable steering system.

For the driver, this means:

• more confident handling at higher speeds,
• easier maneuvering during parking,
• stable cooperation with active safety systems.

Technical Support and Steering System Knowledge

If you want to better understand how the steering system and electric power steering work in your BMW, as well as what symptoms might indicate wear of the column or rack, check out the article: Steering System and Power Steering – How it Works and What Fails?. You will find practical information there that will facilitate diagnostics and the selection of the appropriate component.

If you also need other BMW steering columns for various models of this brand, check out our dedicated category: BMW Steering Columns. This will allow you to easily compare available solutions and select the part suitable for your specific car version.