BMW E60 525i N52 Rear Left N/S Hub Leg Carrier Brake Caliper Disc

BMW E60 525i N52 Rear Left Knuckle Hub 218HP is an original suspension component designed for the rear left axle of this model. Thanks to its factory geometry and precise fit for the specific suspension design of the BMW E60 with the N52 engine, this part ensures stable handling and predictable vehicle behavior. It's a solution for users who want to maintain consistency with the factory suspension characteristics and avoid compatibility issues.

Specifications and technical data

• SKU: 6770905-20
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770905
• Substitutable numbers: 33326770905, 6770905, 34216758057, 6758057, 34216864061, 6864061, 33207572424, 7572424, 33207550021, 7550021, 33326754559, 6754559, 34216753215, 6753215, 34216772085, 6772085, 33217559076, 7559076
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in the BMW E60 525i N52 Suspension

The rear left knuckle with hub is responsible for precise wheel guidance, transferring loads from the body to the tire, and maintaining correct suspension geometry. In the BMW E60 525i N52 model with 218 HP, this component works with the multi-link rear axle design, influencing:

• vehicle stability at higher speeds,
• even tire wear,
• proper operation of the braking system and safety systems,
• driving comfort during load changes and over uneven surfaces.

A well-chosen rear axle knuckle with hub allows for maintaining factory handling parameters, which is particularly important in BMW 5 Series vehicles.

Compatibility and Interchangeable Numbers

The offered component belongs to the Suspension Replacement Kits group and is intended for use on the rear axle, left side. The part has a dedicated OEM number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific version of the BMW E60 525i N52.

Thanks to the presence of the manufacturer's part number and reference numbers, the knuckle with hub can be precisely matched to the vehicle's specific model, minimizing the risk of installing an incorrect component. This is especially important when working with the suspension system, where construction differences between versions can be significant.

Mounting Characteristics – Rear, Left Side

The placement on the vehicle, specified as rear – left side, clearly indicates the mounting position. The knuckle with hub works with control arms, the shock absorber, the spring, and braking system components, forming a cohesive suspension assembly.

When replacing this component, it's worth paying attention to:

• the condition of cooperating suspension elements,
• correct tightening of bolted connections according to manufacturer recommendations,
• the necessity of performing wheel alignment after the work is completed.

This approach allows for the full utilization of the part's potential and restores predictable behavior to the rear axle.

Condition, Origin, and Benefits of Using a Used Part

The offered rear left knuckle hub comes from a BMW vehicle and is classified as a used component. In practice, this means we are dealing with an original part from disassembly, which retains its factory construction and design parameters.

Using an original used part in a BMW E60 525i N52 allows you to:

• maintain consistency with the factory suspension specification,
• reduce repair costs compared to new parts,
• avoid problems typical of aftermarket alternatives of uncertain quality.

For many BMW users, this is a sensible compromise between durability and operational economy.

Technical Support and Additional Information

Before purchasing, it's advisable to compare the markings on your current part with the specifications to confirm full compatibility. If you have any doubts, it may also be helpful to verify the suspension configuration of your specific BMW E60 525i N52, especially considering differences arising from equipment versions.

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

For drivers interested in a broader perspective on the cost-effectiveness of using original disassembled components in premium cars, an article describing the benefits of such solutions for Mercedes-Benz might be useful – you can find it here: Used Mercedes Parts – Original Parts from Disassembly.

If you are also interested in the topic of BMW engines and operating costs in the secondary market, it's worth reading the analysis of diesel engines in the article: BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels.