BMW X5 E70 F15 X6 E71 F16 Rear Axle Suspension Support Hex Screw Collar 6770250

BMW X5 E70 F15 X6 E71 F16 Rear Axle Suspension Support Hex Screw Collar is a precision mounting component designed for the rear chassis system in BMW vehicles. The original design of the screw ensures proper tightening of the suspension connections, which translates into stable handling and predictable vehicle behavior. This is a practical solution for users who want to maintain factory assembly standards and are looking for a proven component for the rear suspension.

Specifications and technical data

• SKU: 6770250
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770250
• Substitutable numbers: 33306770250, 6770250
• Location on the vehicle: Rear
• Category: Suspension Component Replacement Kits

Purpose and function in the rear suspension

The described hex screw collar operates in the rear part of the suspension, where it is responsible for a rigid and repeatable connection of metal-to-metal components. In BMW X5 E70/F15 and X6 E71/F16 vehicles, proper tightening and guidance of the screws in this area has a direct impact on:

• maintaining wheel geometry within the range specified by the manufacturer,
• body stability during braking and acceleration,
• reducing unwanted play at the mounting points of control arms and other suspension components.

Choosing an original hex screw collar allows you to maintain compliance with factory assembly technology, which is particularly important when working with Suspension Replacement Kits in BMW vehicles.

Construction of the hex screw collar and design advantages

The hex screw collar used in the rear suspension of BMW combines the function of a classic threaded element with an enlarged collar under the head. This design:

• increases the contact surface without the need for a separate washer,
• facilitates even distribution of forces at the mounting point,
• reduces the risk of deformation of the seat in suspension components.

As a result, the screw can be used in critical points of the rear suspension where repeatable, controlled preload of the connection is required. This solution is particularly beneficial when servicing vehicles operated under heavier loads or in road conditions with increased wear of chassis components.

Application in BMW X5 and X6 models

The screw has been designed for the BMW X5 E70/F15 and X6 E71/F16 platforms, which means it fits the factory mounting points in the rear suspension. In practice, this translates into:

• secure seating in the sockets and mating components,
• no need for suspension structure modifications,
• maintaining the original operating parameters of the chassis system.

This approach is particularly important for users who want to keep the vehicle in a configuration close to the factory one, while expecting stable and predictable handling after replacing mounting components.

Characteristics of the used component

The offered hex screw collar comes from dismantling, which allows for the use of an original BMW component at a more attractive price than a new replacement. The used element retains its factory geometry and thread type, so it can be directly used for rear suspension service, provided it meets standard workshop criteria regarding technical condition. This is a solution often chosen by users who prefer original BMW parts in the chassis system.

Comprehensive BMW rear suspension service

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other components from the same group, such as screws, nuts, or additional mounting elements, check the available parts in the BMW Suspension Replacement Kits category.

Technical knowledge and the selection of original used parts

When working with the chassis system, it is worth making conscious decisions regarding the selection of components. In the case of many subassemblies – especially within the drivetrain and gearbox – original used parts can be a reasonable alternative to expensive refurbishment. You can read more about this approach to service and repair economics in the article: Manual gearbox failures in cars – why is an original used part a more reasonable choice than refurbishment?.