BMW X3 F25 30dX N57N Rear Right Wheel Hub Suspension Leg Brake Caliper Disc

BMW X3 F25 30dX N57N Rear Right Knuckle Suspension Driveshaft Caliper Disc is a complete, used set of rear suspension components designed for the right side of the axle in the BMW X3 F25 model. It includes key components responsible for wheel guidance, power transmission, and effective braking, allowing for a cohesive, technically correct replacement of the entire module. By maintaining the factory geometry of the suspension and braking system, the set promotes stable vehicle handling and predictable road behavior.

Specifications and technical data

• SKU: 6797570-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6797570
• Substitutable numbers: 33406797570, 6797570, 34216791018, 6791018, 33207598036, 7598036, 34206868936, 6868936
• Weight: 150
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The presented set from the Suspension Replacement Kits group is designed for the rear right side of the vehicle. The knuckle serves as the central element connecting the suspension, drivetrain, and braking system, ensuring the correct wheel alignment relative to the body. Integration with the driveshaft, caliper, and brake disc allows for structural consistency and reduces the risk of improper installation of individual, mismatched parts.

Key Components of the Set

The set includes components responsible for several critical areas of rear axle operation:

• knuckle – responsible for stable wheel guidance and transferring loads from the body to the tire,
• driveshaft – transmits torque from the gearbox to the wheel,
• brake caliper – ensures adequate pad pressure against the disc,
• brake disc – works with the caliper to enable effective deceleration.

A set configured in this way simplifies servicing by eliminating the need to select individual components and minimizing the risk of compatibility issues within the rear right suspension area.

Benefits of Using a Complete Set

Using a complete rear knuckle assembly with accessories in the BMW X3 F25 offers a range of practical service and user benefits. Firstly, it ensures suspension geometry consistency, which translates to predictable car handling and even tire wear. Secondly, simultaneous replacement of components responsible for wheel guidance, drive, and braking reduces the risk of play and unwanted vibrations in the rear axle area.

The used nature of the set allows for economical repair while maintaining the original BMW construction, which is particularly important for technically advanced all-wheel-drive models. Additionally, the appropriately selected mass of the assembly contributes to maintaining the correct suspension operating characteristics, in line with the manufacturer's specifications.

Vehicle Placement and Installation Aspects

The set is intended for installation on the rear right side of the vehicle, which is crucial when planning service work and selecting other suspension components. Correct placement ensures the maintenance of factory mounting points for the control arms, shock absorber, and braking system components. This allows for precise alignment of toe and camber angles after installation is complete.

The completeness of the set simplifies the workshop's work – the mechanic has a set of components designed to work together in one configuration, which reduces repair time and the risk of needing additional modifications.

Technical Support and Suspension System Knowledge

For users and workshops who want to better understand the principles of suspension operation and the impact of elements such as knuckles, control arms, and stabilizers on driving safety, our guide will be helpful: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. The article explains how to care for key suspension components in various car models, making it easier to make informed service decisions.

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other parts from the same group, such as knuckles, control arms, or complete rear axle modules, check the available parts in the BMW Suspension Replacement Kits category.