BMW 5 Series E60 520i M54 Rear Left N/S Suspension Leg Wheel Hub Brake Disc

BMW 5 Series E60 520i M54 Rear Left N/S Suspension Leg Wheel Hub Brake Disc is an original suspension component designed for the rear left side of the vehicle. Thanks to its factory geometry and precise fitment to the BMW design, it ensures stable handling, predictable vehicle behavior, and proper interaction with other suspension components. This is the ideal solution for users seeking a proven component that adheres to factory specifications rather than random aftermarket replacements.

Specifications and technical data

• SKU: 6770905-15
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770905
• Substitutable numbers: 33326770905, 6770905, 33326754559, 6754559, 33326754557, 6754557, 33326770831, 6770831, 34216758057, 6758057, 34216766074, 6766074, 34216864061, 6864061, 34216753215, 6753215, 34216772085, 6772085
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW suspension

The presented half-shaft with wheel hub is a structural and drivetrain component responsible for transferring torque to the wheel and maintaining the correct geometry of the rear axle. Its placement on the rear left side of the vehicle allows for the direct replacement of a damaged or worn part without interfering with other sides of the suspension. Using a complete assembly from this side facilitates the maintenance of structural consistency and correct wheel alignment angles.

Benefits of using an original half-shaft and wheel hub assembly

Using an original component in a BMW translates into:

• maintaining factory handling characteristics and stability at higher speeds,
• proper interaction with the braking system and the rest of the suspension,
• preserving the appropriate joint stiffness and rear axle geometry,
• reducing the risk of improper fitment, which is typical for random aftermarket replacements.

For users who value precise BMW handling and consistent vehicle reactions, choosing such a component is particularly important during post-collision repairs or when replacing worn-out parts.

Characteristics of the used component

The offered assembly comes from dismantling and is sold as a used part, which allows for a significant reduction in repair costs while maintaining the original manufacturer's specifications. This type of solution is often chosen by workshops specializing in the BMW brand, where both technical compliance and service economy are prioritized. A used component with a preserved structural integrity and correct geometry represents a reasonable compromise between price and quality.

Application in service practice

The complete rear left half-shaft and wheel hub assembly is particularly effective in situations where:

• mechanical damage has occurred within the rear suspension,
• there are issues with wheel geometry on the left side,
• a quick replacement of the entire assembly is necessary instead of refurbishing individual components.

This approach shortens repair time, facilitates workshop operations, and reduces the risk of subsequent problems with wheel alignment and vehicle stability.

BMW suspension replacement kits – expansion and modernization

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

Used parts and service cost optimization

Choosing original used suspension components is a popular solution among owners of premium cars who want to maintain a high level of comfort and handling without overstretching their budget. As with other premium segment brands, using parts from dismantling allows for the preservation of factory design solutions at reasonable costs. You can find more about this approach to servicing high-end cars in the article: Used parts for Mercedes – original parts from dismantling.

The ecological aspect of using used parts

Using used suspension components also aligns with the sustainable automotive trend. Reusing functional components reduces waste and lowers the demand for the production of new parts, which translates into a lower carbon footprint for the vehicle's entire life cycle. If you want to better understand the impact of such service decisions on the environment, it is worth reading the material: Sustainable automotive and the environmental impact of original used parts.