BMW F30 Coil Spring Suspension Rear Left Right N/O/S Set Kit 6855542

BMW F30 Coil Spring Suspension Rear Left Right N/O/S Set Kit is an original set of suspension components designed for the rear axle of this model, ensuring stable suspension performance and predictable vehicle handling. The set includes springs mounted on both the right and left sides, which facilitates consistent replacement of both sides simultaneously and restores the factory characteristics of the chassis. This is a solution for users who expect a secure fit, correct geometry, and driving comfort in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: 6855542
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6855542
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and function in the BMW F30 suspension

The presented rear suspension spring set operates within the rear axle cushioning system, responsible for maintaining the appropriate vehicle height, deflection progression, and stability during acceleration, braking, and cornering. These components work in conjunction with shock absorbers, absorbing vertical loads and influencing:

• maintaining the correct body position relative to the ground,
• even weight distribution on the rear wheels,
• control of body roll during dynamic maneuvers,
• damping comfort for irregularities on the rear axle.

Placement on the right and left sides at the rear of the vehicle allows for the simultaneous replacement of both springs, which is recommended from the point of view of uniform suspension operation and maintaining predictable vehicle reactions.

Construction and fitment to the rear axle

The springs in the set have been designed specifically for the geometry and weight of the BMW F30, allowing them to maintain the appropriate deflection characteristics across the full range of loads. Properly selected stiffness and coil shape enable:

• consistent operation with factory shock absorbers and guiding elements,
• maintaining stable rear axle traction,
• limiting excessive suspension "bottoming out" when the trunk or passenger seats are heavily loaded.

The original origin from the BMW group promotes precise fitment with mounting seats and auxiliary elements, which translates into predictable installation and no need for modifications.

Practical application and benefits of replacement

Replacing the rear suspension spring set in a BMW F30 is particularly recommended in situations where symptoms such as the lowering of one side of the vehicle, noticeable "sagging" of the rear under load, or uneven tire wear occur. Using the presented set allows you to:

• restore the factory height and operating characteristics of the rear axle,
• increase the predictability of the car's behavior in corners,
• improve ride comfort on uneven surfaces,
• reduce additional loads acting on shock absorbers and mounting elements.

For users looking for a technically matched solution for the BMW rear suspension, such a spring set is a practical choice for repairs following mechanical damage or natural wear and tear.

Characteristics of the used set

The offered set comes from the Leaf and coil springs group and is intended for installation on the rear axle, on both sides of the vehicle. As a used item, the set represents an attractive cost alternative to new parts while maintaining the original design specifications. This is a solution for drivers who want to maintain factory suspension parameters while optimizing their service budget.

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 additional springs, leaf springs, or auxiliary suspension components, check the available parts in the BMW leaf and coil springs category.

Expert support when choosing used components

When selecting used suspension components, it is worth paying attention to their origin, compatibility with the specific model version, and general operational condition. It is good practice to combine spring replacement with an inspection of other rear axle elements to avoid uneven system operation.

If you want to better understand how to effectively use used components in your car and what to look for during visual assessment and installation, the guide article on replacing body parts with used components and assessing their quality may be helpful, as it demonstrates an approach to used sub-assemblies in the context of economy and durability.