Description
The Servotronic Power Steering Rack for BMW 5 Series E60 E61 E63 E64 is an original steering system component from the Steering Racks and Housings category, designed for BMW 5 and 6 Series models. Thanks to the Servotronic system, it ensures precise vehicle control and comfortable, smooth power assistance that adapts to driving speed. This solution is for users who expect stable vehicle handling and the preservation of factory steering system parameters.
Specifications and technical data
- SKU: rhd-6777477-1
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6777477
- Substitutable numbers: 32106777537, 6777537, 6777477, 32106768061, 6768061, 32106766656, 6766656, 32106780945, 6780945, 32106762449, 6762449, 32106769302, 6769302, 32106768064, 6768064, 32106766665, 6766665, 32106775426, 6775426, 32106773772, 32106777477
- Category: Gearboxes, Racks & Pinions
Intended Use and Compatibility
The Servotronic hydraulic steering rack has been specifically designed for BMW 5 Series E60/E61 and 6 Series E63/E64 models equipped with a variable-assist power steering system. The design, based on manufacturer solutions, allows for the preservation of the original driving characteristics specific to these BMW generations.
By using appropriate part numbers and replacement numbers, the steering rack is matched to specific factory configurations, which simplifies selecting the correct component when replacing a damaged or worn steering rack.
Servotronic Design and Technology
This steering rack belongs to the Steering Racks and Housings category and utilizes hydraulic power assistance with a Servotronic valve that controls the assistance force based on vehicle speed. At low speeds, the system provides light steering effort, facilitating maneuvering, while at higher speeds, it increases resistance, improving directional stability.
This solution allows for:
- more precise steering during highway driving,
- easier parking and city maneuvering,
- preservation of the direct steering ratio characteristic of BMW.
Benefits of Using an Original BMW Steering Rack
Using an original Servotronic steering rack in BMW 5 and 6 Series models helps maintain the integrity of the entire drivetrain. The factory geometry and operating characteristics of the steering rack translate into predictable vehicle responses, which is important for both safety and driving comfort.
Key benefits include:
- compatibility with the factory Servotronic system installed in the specific BMW model,
- proper cooperation with the steering column and front suspension,
- maintenance of the correct steering ratio and wheel turning range,
- the possibility of utilizing the vehicle’s existing hydraulic and electrical systems.
Product Condition and Service Application
The Servotronic steering rack for BMW 5 Series E60/E61 and 6 Series E63/E64 is a used component intended for service applications as a replacement for a damaged or excessively worn steering rack. Replacing this sub-assembly is recommended in cases of noticeable play in the steering wheel, hydraulic system leaks, or improper power assistance operation.
The selection of the correct component is facilitated by manufacturer markings, including the OEM part number and associated replacement numbers, which can be verified against the vehicle’s documentation or the existing steering rack.
Other BMW Steering Racks and Technical Knowledge
If you are looking for other BMW Steering Racks and Housings for your car, check out the BMW steering racks and housings available in our store to select a component matched to your specific model and engine version.
Knowledge about typical symptoms of worn accessory components can also be helpful in diagnosing power and engine systems. We encourage you to read the article Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails, which discusses symptoms, consequences, and basic diagnostics of injectors in diesel engines.
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