Description
BMW F20 F21 F22 F30 F31 Electric Power Steering Rack Drive Motor Unit is a component from the Steering gears and housings category, designed for the steering system of BMW F-series models. It enables precise, smooth power assistance, improving maneuvering comfort and handling stability in daily use.
Specifications and technical data
- SKU: 6859096-1
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6859096
- Substitutable numbers: 6859096, 32106859096
- Category: Gearboxes, Racks & Pinions
Purpose and function in the steering system
The electric power steering motor in the BMW F20, F21, F22, F30, and F31 platform is responsible for generating the torque that assists steering wheel rotation, working in conjunction with the steering gear and the vehicle’s electronics. This ensures that the steering system maintains the appropriate steering force characteristics, both during parking and when driving at higher speeds.
This component is crucial for:
- stable operation of the electric power steering,
- precise transmission of steering movement to the wheels,
- maintaining proper cooperation with safety systems and driving assistants.
Benefits of using an original BMW motor
Using an original electric power steering motor in a BMW F-series steering system ensures proper fitment with the gear and control software. The factory design minimizes the risk of steering malfunctions, vibrations on the steering wheel, or communication errors with control modules.
The main advantages include:
- maintaining factory steering force characteristics,
- proper fitment with the steering gear housing,
- compatibility with dedicated BMW controller settings.
Installation and operational characteristics
The motor works with the gear within the Steering gears and housings category, which allows for its use in the process of repairing or replacing the complete steering assembly. With proper installation, following the manufacturer’s procedures, it is possible to restore correct steering operation without the need to interfere with the body or suspension structure.
In practice, this means:
- possibility of use in the steering system service process,
- preservation of original geometry and handling characteristics,
- reduction of the risk of additional mechanical installation modifications.
Condition and service application
The offered electric power steering motor is a secondary market component, which allows for cost-effective steering system repair while maintaining the original BMW design. This is a particularly beneficial solution in the event of a factory motor failure, when you want to ensure compatibility with a specific gear and maintain operating parameters close to factory specifications.
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 gears, housings, or mounting elements, check the available parts in the BMW steering gears and housings category.
For a better understanding of the principles of selecting drivetrain components and related parts, including how to assess the condition of used components, it is worth reading the guide: Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.





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