Steering Rack BMW F45 F46 Electrical Electric Power Box Gear NE 6878977

Steering Rack BMW F45 F46 Electrical Electric Power Box Gear is an original component from the Steering racks and housings group, designed for the 2 Series Active Tourer and Gran Tourer models. The electric design ensures precise handling, stable lane keeping, and modern integration with the vehicle's safety systems.

Specifications and technical data

• SKU: rhd-6878977
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6878977
• Substitutable numbers: 32106878977, 6878977, 32106899992, 6899992, 32106899422, 6899422, 32106892338, 6892338
• Category: Gearboxes, Racks & Pinions

Technical characteristics and function in the steering system

This electric steering rack is responsible for transferring movement from the steering wheel to the front wheels, integrating the power assistance function directly into the housing. The electric power steering solution reduces steering resistance, improves maneuvering comfort in the city, and ensures stable, predictable reactions at higher speeds.

The component is designed as part of the active safety system – a properly functioning steering rack supports the operation of electronic stability control, traction assistants, and advanced driver assistance functions. Consequently, replacing a worn or damaged rack with a functional component helps restore factory handling characteristics.

Compatibility and fitment for BMW F45/F46

The steering rack has been specifically engineered for the BMW F45/F46 platform, which ensures correct mounting points, appropriate geometry, and compatibility with the stock steering column and suspension of these models. Its original BMW OE origin promotes consistency with the vehicle's factory configuration, without the need for modifications or mechanical adaptations.

An additional advantage is the presence of a dedicated part number and associated replacement numbers in the technical documentation – this facilitates verification of compatibility with specific engine and equipment versions, and minimizes the risk of selecting the wrong component.

Condition, advantages of a used steering rack, and installation aspects

The offered steering rack is in used condition, which allows for a reasonable purchase cost while maintaining original manufacturing quality. For many BMW users, this is a beneficial solution for post-accident repairs, mechanical damage, or electric power steering failures, when maintaining the factory system specification is a priority.

During installation, it is crucial to follow proper service procedures: correct tightening of mounting points, checking tie rod play, and performing steering system adaptation and calibration using an appropriate diagnostic tester. This allows for full utilization of the electric power steering potential and prevents incorrect messages in the onboard systems.

Benefits of using an original electric steering rack

Using an original steering rack in a BMW F45/F46 brings a number of practical benefits:

• preservation of factory handling characteristics and steering assistance force,
• consistency with vehicle electronics and safety systems,
• proper mechanical fitment to the suspension and steering column,
• possibility of economical repair through the use of a used part.

For drivers who value BMW's precision handling and predictable steering system reactions, choosing an original electric steering rack is a technically sound and long-term beneficial solution.

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

For those interested in a broader approach to repairs and modifications using second-hand components, practical tips and application examples can be found in the article Audi on second-hand parts – tuning and repairs without losing quality, which shows how to effectively combine savings with a high technical level.