BMW 3 Series E90 320D N47 FRONT RIGHT O/S SPRING STRUT LEG SUSPENSION BRAKE

The BMW E90 320d N47 Front Right Strut and Knuckle Assembly is a complete front suspension strut assembly designed for the right side of the front axle in BMW 3 Series E90 models with an N47 engine. This solution allows for efficient replacement of a worn component and restoration of correct geometry and driving stability, while maintaining the original suspension characteristics and proper knuckle mounting.

Specifications and technical data

• SKU: 6771178-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 31306771178
• Substitutable numbers: CALLIPER, 31316786002, 6786002, 31306771178 31314036120 31316767324, 6771178, 4036120, 6767324, 31216765157, 6765157, 31216793924, 6793924, 31216764444, 6764444, 34116778147, 6778147, 34116792219, 6792219, 34116774875, 6774875, 34116778146
• Location on the vehicle: Front, Right
• Category: Shocks, Struts & Assemblies

Purpose and Function in the Suspension System

The presented component combines the functions of a shock absorber and a knuckle on the front right side of the vehicle. It is responsible for wheel guidance, maintaining the set suspension geometry, and damping vibrations transferred from the road surface to the body. A properly selected and functional component in this location is crucial for:

• driving stability at higher speeds,
• precise handling in corners,
• even tire wear,
• effective operation of the braking system and safety systems.

Thanks to the use of original BMW design, proper cooperation with other suspension elements such as control arms, wheel hub, and braking system is maintained.

Compatibility and Interchangeable Numbers

The strut and knuckle assembly has been designed as a part compliant with factory BMW standards. It has a dedicated OEM number and associated interchangeable numbers, which facilitates unambiguous identification in parts catalogs and service systems. The presence of multiple reference numbers allows for matching the component to specific equipment versions and model years of the BMW E90 320d N47, minimizing the risk of selecting an incorrect part.

Before purchasing, it is advisable to compare the markings with your vehicle's data or use professional verification by VIN number to ensure that the selected component will be fully compatible with your suspension configuration.

Vehicle Placement and Installation Aspects

The component is intended for the front right side, which is important for both geometry and mounting method. The strut assembly is prepared for cooperation with factory mounting points in the body and with original steering and braking system components. This ensures that installation in a specialized workshop proceeds predictably and in accordance with BMW service procedures.

Replacing the complete front right strut and knuckle assembly allows for:

• restoring the correct wheel alignment relative to the body,
• eliminating play resulting from wear of the guiding elements,
• achieving consistent suspension performance on both sides of the axle.

Product Characteristics and Condition

The offered component comes from the original BMW parts line, which means maintaining factory durability parameters and correct knuckle geometry. As a used part, it is intended for users seeking a reasonable compromise between repair cost and maintaining the original suspension design.

Choosing such a solution is particularly attractive for post-accident repairs or when replacing suspension components, where matching the existing vehicle configuration is important. Consistency with the factory design translates into predictable vehicle behavior on the road and proper cooperation with ABS and ESP systems.

Practical Application and Technical Knowledge

The complete front right strut and knuckle assembly is often chosen for repairs where both the damping element and the load-bearing part of the suspension have been damaged. Using one, matched assembly reduces installation time and facilitates subsequent geometry alignment. The correct selection and condition of this component directly impact driving safety, especially during emergency braking and evasive maneuvers.

If you want to better understand the role of shock absorbers, control arms, and stabilizers in cars of various brands, it is worth familiarizing yourself with the educational material: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. You will find practical information there that helps in consciously planning suspension repairs and upgrades.

Why Choose This Component for Your BMW E90 320d N47

By choosing the BMW E90 320d N47 Front Right Strut and Knuckle Assembly, you receive a component designed specifically for this model, maintaining factory operating parameters. This solution:

• enables the restoration of correct geometry and driving stability,
• ensures compatibility with original suspension and brake components,
• allows for an economical yet technically correct suspension repair.

If you are interested in a wider selection of components in this group, you can go to the Shock Absorbers and Struts category, where you will find other solutions tailored to different models and suspension configurations.