BMW 1 3 F20 F21 F30 F31 N47N Power Steering Rack Box Gear Diesel 6859305

BMW 1 3 F20 F21 F30 F31 N47N Power Steering Rack Box Gear Diesel is an original steering system component designed for diesel engines. Thanks to its factory-spec construction, it ensures precise handling, stable tracking, and proper integration with the electric power steering system.

Specifications and technical data

• SKU: rhd-6859305
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6889115
• Substitutable numbers: 32106889115, 6889115, 32106886301, 6886301, 32106864271, 6864271, 32106868893, 6868893, 32106863469, 32106859251, 6859251, 32106856464, 6856464, 32106872407, 6872407, 32106861510, 6861510, 32106854891, 6854891, 32106874685, 6874685, 32106859305, 73934200000, BG, 32106881040, 6881040, 32106877777, 6877777, 32106875234, 6875234, 32106870464, 6870464, 32106863717, 6863717, 6863469, 32106857286, 6857286
• Fuel type: Diesel
• Category: Gearboxes, Racks & Pinions

Purpose and compatibility with BMW models

The presented steering rack is designed specifically for BMW 1 Series F20/F21 and BMW 3 Series F30/F31 models with diesel engines. This ensures the retention of factory suspension geometry, correct steering ratio, and full integration with vehicle safety systems, such as electronic stability control and traction assistants.

By using an original OEM design, this component allows for trouble-free replacement of a damaged steering rack without the need for modifications to the steering column, mounts, or power steering supply lines.

Construction and function in the steering system

The steering rack is responsible for transferring movement from the steering wheel to the front wheels, providing the appropriate ratio and road feedback. For BMW F20/F21 and F30/F31 diesel models, the construction has been optimized for the front axle weight and the suspension characteristics of these versions.

Key performance features of this steering rack include:

• stable, repeatable transfer of steering input to the steering knuckles,
• proper operation with electric or electro-hydraulic power steering,
• retention of factory turning radius and handling characteristics,
• appropriate structural rigidity, contributing to confident handling at higher speeds.

As a result, the driver receives consistent and predictable vehicle behavior, in line with the manufacturer's original specifications.

Benefits of using an original steering rack

Choosing an original steering rack for BMW 1 and 3 Series diesel models is, above all, an investment in safety and the durability of the chassis. This component was designed for specific models, which translates into:

• precise fitment to the subframe mounts,
• proper cooperation with factory sensors and control units,
• retention of appropriate steering resistance in various driving modes,
• reduced risk of uneven tire wear and suspension component damage.

Additionally, using a steering rack dedicated to diesel versions allows for maintaining correct system loads, which is important given the higher weight of diesel engines and the specific weight distribution in these versions.

Condition, origin, and service application

The offered steering rack is a used part sourced from a dismantled BMW vehicle, providing a cost-effective solution while maintaining factory build quality. This type of part is suitable for both standard replacement of a worn-out component and for post-accident repairs where restoring full steering system functionality is required.

For workshops specializing in the BMW brand, using an original steering rack from a dismantler offers the opportunity to provide the customer with a high-quality solution at a reasonable budget, while maintaining the vehicle's factory handling parameters.

BMW steering racks – expansion and modernization

If you are planning a comprehensive repair or upgrade of the steering system in your BMW and need other components from the same group, such as tie rods, ends, or steering rack boots, check out the available parts in the BMW Steering Racks and Housings category.

If you are also interested in electronics for the BMW 3 and 5 Series, including topics related to the iDrive system, control modules, or the use of salvaged parts, it is worth reading the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models.