BMW F01 LCI Air Suspension Rear Right O/S Spring Strut Shock Absorber 6858812

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F01 LCI Air Suspension Rear Right O/S Spring Strut Shock Absorber is an original suspension component designed for the rear right side of the vehicle. It provides proper body support, driving stability, and predictable vehicle behavior under typical road conditions. Thanks to its factory-specified spring characteristics and precise fitment for the specific axle, it serves as a solid foundation for restoring proper suspension performance in facelifted BMW F01 models.

Specifications and technical data

• SKU: 6858812-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6858812
• Substitutable numbers: 37126858812, 6858812, BG
• Location on the vehicle: Rear, Right
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The shock absorber spring in the BMW F01 LCI is responsible for maintaining the specified ride height of the rear body and working in tandem with the shock absorber to dampen vibrations. This component, mounted on the rear right side of the vehicle, operates under demanding conditions, supporting the load of the car, passengers, and luggage.

A properly selected spring:

• stabilizes the rear axle during acceleration, braking, and driving over uneven surfaces,
• reduces body roll in corners,
• supports even wear of tires and suspension components,
• ensures predictable vehicle response to load changes.

Benefits of using an original BMW spring

Using a spring dedicated to a specific axle and side of the vehicle allows for maintaining the factory handling characteristics. Properly selected stiffness and geometry translate into consistent performance with the shock absorber, control arms, and other suspension components.

The main advantages of installing an original spring in a BMW F01 LCI include:

• maintaining the balance between comfort and stability as designed by the manufacturer,
• correct interaction with safety systems (e.g., traction control and electronic stability control),
• reducing the risk of uneven body sagging on one side,
• easier diagnostics and suspension service due to compliance with factory specifications.

Vehicle placement and installation aspects

The presented spring is designed for installation on the rear right side of the vehicle. In practice, this means it is necessary to maintain the correct orientation during installation and ensure compatibility with the appropriate shock absorber and hardware (upper and lower mounts, washers, bump stops). Replacing a spring on one side of the axle is often combined with checking the condition of the component on the opposite side to avoid differences in height and suspension performance characteristics.

During installation, it is recommended to:

• use appropriate spring compressor tools,
• check the condition of seats and mounts,
• verify the interaction with the shock absorber after assembling the system,
• perform a wheel alignment after completing the work, if required by the service procedure.

Product characteristics and practical application

The BMW F01 LCI shock absorber spring from the Shock absorbers and struts category is a structural component that directly affects driving safety and comfort. As a used part, it comes from dismantling and is intended for users looking for a solution consistent with factory specifications while maintaining reasonable repair costs.

It is particularly useful in situations where:

• the rear of the vehicle has noticeably sagged on one side,
• there are disturbing noises coming from the rear suspension,
• the vehicle has undergone many years of operation and requires refreshing of elastic elements,
• it is necessary to restore the stock suspension characteristics after previous modifications.

Expanding knowledge and selecting suspension components

If you want to better understand how springs work with shock absorbers, control arms, and stabilizers in modern designs, it is worth checking out our guide. Practical tips on diagnostics and operation can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses, among other things, the specifics of suspensions in popular premium models.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other components from the same group, such as springs, shock absorbers, or complete struts, check out the available parts in the BMW shock absorbers and struts category.