BMW E60 525d M57N Rear Left N/S Hub Leg Axle Carrier Brake Disc Caliper

BMW E60 525d M57N Rear Left N/S Hub Leg Axle Carrier Brake Disc Caliper is a complete rear suspension and braking system component, designed for installation on the driver's side. The set comes from a vehicle dismantling process, which allows for an economical yet functional replacement of worn components in your BMW. It is a practical solution for users looking for a cohesive, original assembly of parts instead of individual elements.

Specifications and technical data

• SKU: 6770905-24
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770905
• Substitutable numbers: 33326770905, 6770905, 34216758057, 6758057, 34216864061, 6864061, 33326754559, 6754559, 34216753215, 6753215, 34216772085, 6772085, 33207521630, 7521630, 33207572429, 7572429, 33207572430, 7572430, 33217526745, 7526745, BG
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The presented set is designed for the rear left side of the vehicle, making it a perfect fit for the factory suspension geometry of the BMW 5 Series E60 with the M57N engine in the 525d version. Integrating the axle carrier, hub, brake disc, and caliper into one set facilitates service, reduces repair time, and minimizes the risk of fitment issues between individual components.

Set construction and function in the suspension

The element plays a key role in the operation of the multi-link rear suspension and the braking system. The axle carrier is responsible for stable wheel guidance and transferring loads from the control arms to the body, the hub ensures axial wheel seating, and the disc with the caliper provides effective braking. Such an assembly is particularly important for maintaining correct alignment, geometry, and even brake operation on both sides of the axle.

Thanks to the use of an original BMW solution, factory mounting points are preserved, which facilitates installation in the workshop and allows for precise restoration of suspension settings after repair.

Benefits of using a complete suspension replacement set

Choosing a complete element from the Suspension replacement sets category allows you to limit the number of potential sources of faults after repair. Instead of replacing individual sub-assemblies, the mechanic receives a cohesive unit that:

• facilitates maintaining the correct rear axle geometry,
• reduces the risk of play resulting from mixing different manufacturers,
• speeds up the assembly and disassembly process,
• promotes even operation of the braking system on the rear left side of the vehicle.

This is a practical solution, especially for major repairs after a collision, intensive use, or when replacing several suspension elements at the same time.

Condition, origin, and technical aspects

The product is used, which means it comes from a dismantled vehicle and represents an attractive cost alternative to new parts. At the same time, the original BMW construction is maintained, which is important for durability, compatibility with factory systems, and predictable vehicle behavior on the road. The set has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration in service catalogs.

An additional advantage is the specific weight of the assembly, which results from the factory design and influences the suspension performance characteristics and weight distribution on the rear axle. Thanks to this, after installation, the driving properties remain close to the manufacturer's original specifications.

Selection and further operation

Before purchasing, it is worth comparing the OEM part number and reference numbers with service documentation or the BMW catalog to confirm full compatibility with your specific E60 525d M57N version. In the case of installation, it is recommended to perform a rear axle geometry check and an inspection of other suspension and brake elements on that side of the vehicle.

To better take care of the durability of such dismantled components, it is worth familiarizing yourself with practical tips regarding maintenance and operation. Detailed advice can be found in the article How to extend the life of used car parts?, where methods of caring for suspension and brake elements are described, among other things.

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your BMW and need other elements from the same group, such as control arms, bushings, or additional mounts, check the available parts in the BMW suspension replacement sets category.