BMW 5 Series E60 530d M57N Rear Right O/S Hub Leg Carrier Brake Disc Caliper

BMW 5 Series E60 530d M57N Rear Right O/S Hub Leg Carrier Brake Disc Caliper is a complete, used assembly designed for the passenger-side drive axle. The set comes from the original BMW line, ensuring it maintains factory suspension geometry and braking system performance characteristics. It is a practical service solution for vehicles where simultaneous replacement of several cooperating components is necessary.

Specifications and technical data

• SKU: 6770906-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770906
• Substitutable numbers: 33326770906, 6770906, 34216758058, 6758058, 34216864061, 6864061, 33217527322, 7527322, 33326754560, 6754560, 34216753215, 6753215, 34216772085, 6772085, 33207572430, 7572430, 33217526745, 7526745
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW 5 Series E60 530d M57N suspension

The presented assembly is dedicated to the rear axle on the right side of the BMW 5 Series E60 model with the M57N 530d engine. It combines elements responsible for wheel guidance, load transfer from the suspension, and braking force application. As a result, it forms a cohesive module that facilitates maintaining proper vehicle geometry and stability.

The vehicle placement is clearly defined as rear – right side, which minimizes the risk of errors during part selection and speeds up the service process. Using a complete assembly is particularly beneficial for accident repairs, replacing corroded load-bearing components, or in cases of advanced wear of the braking system.

Assembly construction and benefits of installing a complete module

The presented solution includes key components of the rear suspension corner: wheel hub, steering knuckle (load-bearing mounting arm), brake disc, and brake caliper. A set configured in this way allows for:

• maintaining material and structural consistency within one suspension corner,
• reducing the number of disassembly and assembly operations,
• easier technical condition monitoring of the entire wheel hub assembly,
• reducing the risk of mismatching individual components from different sources.

For workshops and users, this means a more predictable repair outcome and reduced vehicle downtime. Using an original BMW module also helps maintain proper force distribution in the suspension and repeatability of braking parameters.

Characteristics of the used part

The offered assembly comes from dismantling and is sold as a used part. Such components are frequently chosen for high-end models, where new suspension and brake parts can generate very high costs. The original used module retains its factory design, which in practice often translates into better fitment than many aftermarket replacements.

Before installation, standard workshop procedures are recommended: verifying the condition of working surfaces, checking for play, assessing the condition of caliper guide pins, and potentially replacing consumables (brake pads, mounting bolts, flexible elements) in accordance with the vehicle manufacturer's recommendations. This approach allows for fully utilizing the potential of the set and ensuring safe operation.

Application in the suspension and braking system

As an element from the Suspension replacement kits group, this module performs both load-bearing and braking functions. The steering knuckle is responsible for proper wheel guidance relative to the body, while the hub ensures stable rim seating and torque transfer. The integrated brake disc and caliper form a complete braking node that works with the vehicle's ABS/DSC system.

Such a combination is particularly important in high-torque cars like the BMW 530d M57N, where the loads acting on the rear axle are significant. Using the original assembly helps maintain stability at higher speeds, during emergency braking, and during dynamic highway driving.

Selection, compatibility, and service aspects

The element has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification in BMW catalogs and parts selection systems. In practice, this means that a workshop or user can quickly verify compatibility with a specific version of the BMW 5 E60 530d M57N, avoiding installation problems.

During replacement, it is recommended to:

• check the condition of bushings and control arms cooperating with the steering knuckle,
• inspect brake lines and ABS sensors in the area of the rear right wheel,
• perform a measurement and potential adjustment of the rear axle geometry after completing the work.

Such service maintenance allows for fully utilizing the advantages of the complete module and reducing the risk of uneven tire wear or deterioration of driving stability.

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, additional steering knuckles, or complete hub modules, check the available parts in the BMW suspension replacement kits category.

If you are considering using original used components in your car and want to better understand when such a solution is technically justified, it is worth reading the article on our blog: Renovation and repair of German cars – which used parts are worth buying and which should be avoided?. Additionally, in the context of drivetrain repairs, the following entry may be helpful: Manual transmission failures in cars – why is an original used part a more reasonable choice than regeneration?, which shows a broader approach to selecting used mechanical subassemblies.