BMW 3 E90 E91 E92 LCI 316d 318d 320d N47N Steering Expansion Hose Pipe Line

The BMW 3 Series E90/E91/E92 LCI 316d 318d 320d N47N Steering System Expansion Hose is an original hydraulic component designed for facelifted 3 Series models with the N47N engine. This used OEM part ensures proper fluid guidance and expansion within the power steering system, contributing to stable steering rack operation and predictable vehicle responses. It's a solution for users who want to maintain factory driving characteristics without compromising on quality.

Specifications and technical data

• SKU: rhd-6787461
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6787461
• Substitutable numbers: 32416787461, 6787461, BG
• Category: Other Steering & Suspension Parts

Application in BMW 3 Series E90/E91/E92 LCI

The steering system expansion hose is specifically designed for the facelifted BMW 3 Series generations E90, E91, and E92, equipped with N47N diesel engines in the 316d, 318d, and 320d versions. It is responsible for the correct connection of hydraulic components within the power steering system, maintaining appropriate pressure and flow of the working medium.

Thanks to its construction conforming to factory BMW standards, this component allows for the preservation of the original steering system geometry and proper routing of hoses in the engine bay, minimizing the risk of chafing, leaks, and undue stress on connections.

Construction and Technical Characteristics

The steering system expansion hose combines rigid and flexible sections, adapted for operation in the N47N diesel engine bay. The hose's construction is optimized for:

• resistance to power steering system operating pressure,
• dimensional stability across a wide temperature range,
• damping vibrations transmitted from the power steering pump and rack,
• proper drainage and expansion of the hydraulic fluid.

Original connectors and hose shape allow for installation in factory mounting points, which is crucial for maintaining safe routing of the hydraulic lines in the engine bay.

Benefits of Using an Original Expansion Hose

Using a steering system expansion hose from a dismantled BMW allows for maintaining the integrity of the entire power steering system. Compared to aftermarket alternatives, an original component ensures:

• factory fit to the steering rack and power steering pump,
• compatibility with the mounting system and hose routing in the E90/E91/E92 LCI body,
• maintenance of system operating parameters as intended by the manufacturer,
• reduced risk of leaks resulting from imprecise fitting.

For users looking to restore full steering system functionality after repair or upgrade, choosing an original BMW hose is a technically sound and economically beneficial solution.

Condition, Origin, and Part Selection

This component comes from a dismantled BMW vehicle and is classified as a used OEM part. This means the original manufacturer's specifications are maintained while optimizing repair costs. Before installation, a standard check of seals and connection condition is recommended, in accordance with service procedures for hydraulic systems.

When selecting an expansion hose for your car, pay attention to compatibility with the body version (E90, E91, E92), facelift generation (LCI), and N47N engine type. If necessary, you can refer to the OEM part number and interchangeable part numbers visible in the technical specifications section to confirm compatibility with your specific vehicle configuration.

Other BMW Parts and Technical Knowledge

If you are looking for other parts in the Other BMW category for your car, check out our dedicated offer: other BMW parts. You will find a wide selection of dismantled components that will allow you to comprehensively supplement or restore the steering, drivetrain, or engine accessories.

To compare the characteristics of sports drivetrains and braking systems with solutions used in standard models, it is worth reading the technical material on our blog: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. The article helps to better understand the structural differences between standard and sports versions, which can be useful when planning modifications or repairs on premium cars.