BMW F45 X1 F48 X2 F39 Electric Power Steering Gear Rack Motor Pinion 6899957

BMW F45 X1 F48 X2 F39 Electric Power Steering Gear Rack Motor Pinion is an original BMW steering system component, including the rack, motor, and pinion assembly. This used, complete electric power steering gear provides a precise solution for vehicles on this platform, ensuring stable handling and predictable steering response. It is the right choice for professional steering system repairs in compact BMW series cars.

Specifications and technical data

• SKU: rhd-5A39027-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A39027
• Substitutable numbers: 5A39027, 32105A39027, 6899957, 32106899957
• Category: Gearboxes, Racks & Pinions

Application and compatibility

The described BMW F45 X1 F48 X2 F39 Electric Power Steering Gear Rack Motor Pinion is designed for BMW models from the F45, X1 F48, and X2 F39 families equipped with an electric power steering system. The integrated electric motor and rack-and-pinion mechanism work with the vehicle's factory electronics, allowing for the maintenance of proper steering assistance characteristics and driving stability.

Thanks to its OEM-compliant design, the steering gear retains factory mounting points and operating geometry with the steering column and steering knuckles. This facilitates installation and reduces the need for additional mechanical modifications when replacing the component in the steering system.

Construction and technical function

The steering gear belongs to the Steering gears and housings category, meaning it combines the function of transferring movement from the steering column to the wheels with proper guidance of the rack within the housing. The assembly includes:

• a rack-and-pinion mechanism responsible for translating steering input into wheel turning,
• an integrated electric power steering motor,
• a housing that guides the rack and protects the working components.

This configuration allows for precise control of the steering assistance force by the vehicle's controllers, while maintaining the rigidity of the steering system, which translates into predictable vehicle behavior while driving.

Benefits of using an original BMW steering gear

Choosing an original BMW steering gear with electric power steering is a solution that facilitates maintaining the consistency of the entire chassis system. A component originating from the same design family as the factory equipment:

• ensures proper fitment to mounts and suspension geometry,
• reduces the risk of improper steering assistance operation and communication with vehicle electronics,
• facilitates subsequent alignment calibration and driver assistance systems.

The used condition of the steering gear allows for economical repair while maintaining the original BMW design, which is particularly important for systems responsible for safety and steering precision.

Professional installation and part selection

Due to the importance of the steering system for safety, it is recommended to have the steering gear installed in a specialized workshop, using appropriate tools and followed by a suspension geometry check. Proper selection of the component for a specific version of the BMW F45, X1 F48, or X2 F39 should take into account the manufacturer's markings and vehicle configuration, which minimizes the risk of incompatibility with the factory power steering system.

If you are considering whether a used or remanufactured part is a better solution, it is worth checking out practical tips regarding the cost-effectiveness of both solutions in the article Remanufactured or used original – which part to choose for repair?, which discusses the real differences in operation and service costs.

Expanding BMW steering system repairs

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