BMW 5 E60 523i N52 N52N Front Left N/S Spring Brake Suspension Leg Hub

BMW 5 E60 523i N52 N52N Front Left N/S Spring Brake Suspension Leg Hub is a complete suspension system component designed for installation on the front axle on the driver's side. This suspension replacement kit allows for a consistent, technically correct repair of the front suspension corner, ensuring proper geometry, stability, and predictable vehicle behavior during braking.

Specifications and technical data

• SKU: 6775055-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6775055
• Substitutable numbers: 31306775055, 6775055, 31216760953, 6760953, 34116763023, 6763023, 34116864059, 6864059, 34116756745, 6756745, 34116764021, 6764021, BG
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and compatibility

The offered item is a complete front left suspension assembly with hub and brake component, dedicated to the BMW 5 Series E60 in the 523i version with N52 and N52N engines. The placement on the vehicle is the front driver's side, which is crucial when selecting parts for vehicles with independent suspension and precise axle geometry.

The product comes from the Suspension replacement kits group, making it suitable for use in comprehensive repairs of the front corner – especially after mechanical damage, collisions, or significant wear of steering and suspension elements.

Construction and function of the suspension assembly

The front left suspension assembly integrated with the hub and brake component is responsible for several key functions in the BMW 5 Series E60 523i:

• vertical and horizontal wheel guidance,
• transferring loads from the body to the ground via the spring and suspension strut,
• ensuring stable mounting of the wheel hub,
• cooperation with the braking system in terms of braking forces and heat dissipation.

Thanks to the use of the original BMW design, the proper suspension operating characteristics are maintained, which translates into predictable handling, correct operation of safety systems, and the driving comfort typical for this model.

Benefits of using a complete kit

Using a complete front left suspension assembly with hub and brake component in the BMW 5 E60 523i N52/N52N brings a number of practical advantages:

• Technical consistency – suspension, hub, and brake elements come from a single set, which facilitates installation and reduces the risk of incorrect fitment.
• Reduced service time – replacing the complete assembly is usually faster than selecting and installing individual components from different sources.
• Better control over geometry – in post-collision repairs, it is easier to restore factory suspension angle settings when the entire assembly is replaced.
• Direct fitment for the specific N52/N52N engine version, which is important given the differences in weight and suspension characteristics between model variants.

Characteristics of the used product

The offered BMW suspension assembly is a used item, sourced from dismantling. This type of part represents a reasonable compromise between repair costs and maintaining the manufacturer's original design. In practice, this means:

• preservation of factory geometry of mounts and connection points,
• original material specification of load-bearing and brake elements,
• possibility of economical repair while maintaining proper suspension operating parameters.

Before installation, it is recommended to perform a standard operational status verification in a workshop (checking for play, condition of bearings, rubber-metal elements, and brake working surfaces) to adjust the scope of work to the general condition of the vehicle.

Support with selection and additional information

For precise fitment, it is worth comparing the vehicle data with the information in the technical specification, including the BMW brand designation, engine type, and placement on the vehicle described as front – left side. In case of doubt, information about the OEM part number and available interchangeable numbers, which can be found in the specification table, is also useful.

If you are planning a comprehensive repair or upgrade of the front suspension zone in your BMW and need other elements from the same group, such as struts, wishbones, or springs, check the available parts in the BMW suspension replacement kits category.

If you are considering broader use of used premium components and want to better understand how to safely reduce service costs while maintaining quality, the article on our blog will be helpful: Used parts for Mercedes – original parts from dismantling.