Coil Spring Set KBA 91256 BMW F13 Rear Strut Shock Absrober Left Right N/O/S

Coil Spring Set KBA 91256 BMW F13 Rear Strut Shock Absrober Left Right N/O/S is an original set of components designed to work with the rear shock absorber struts on both the left and right sides. This product from the Shock Absorbers and Struts category has been specifically engineered for BMW suspension architecture, ensuring consistent body handling, predictable vehicle response, and stable support for the shock absorbers. This is a solution for users who expect precise suspension performance and the preservation of the factory characteristics of the rear axle.

Specifications and technical data

• SKU: KBA 91256
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: KBA 91256
• Location on the vehicle: Rear, Right, Left
• Category: Shocks, Struts & Assemblies

Purpose and vehicle placement

The presented set of springs is designed to work with the rear shock absorber struts of the BMW F13 series, covering both the right and left sides. This allows for the simultaneous replacement of both elastic elements on the axle, which promotes uniform suspension operation and reduces the risk of height or stiffness discrepancies between the sides of the vehicle. Using dedicated rear springs helps maintain proper suspension geometry and body stability during acceleration, braking, and driving over uneven surfaces.

Technical characteristics and role in the suspension system

The set of springs working with the rear shock absorbers is responsible for supporting the vehicle's weight, controlling suspension deflection, and maintaining the specified height of the rear body section. In combination with the shock absorbers, it creates a tuned system that:

• stabilizes the rear axle during dynamic maneuvers,
• reduces body roll when changing loads,
• supports effective damping of vibrations generated by road surface irregularities.

By maintaining factory spring characteristics, the suspension remains predictable, and the car's reactions are consistent with BMW's design assumptions. This is particularly important for higher-power models, where rear axle stability has a direct impact on safety and driving comfort.

Benefits of using the original spring set

Using the original rear suspension spring set in a BMW F13 provides a number of practical benefits. The most important include:

• Full compatibility with rear shock absorber struts – no need for mounting modifications or additional adapters.
• Consistent operation of the left and right sides of the suspension – replacing them as a set minimizes differences in spring characteristics.
• Maintaining the correct body position relative to the axle, which promotes proper geometry and even tire wear.
• Stable vehicle behavior when changing the load in the trunk and on the rear seat.

This solution is especially recommended for repairs following mechanical damage, replacement of worn suspension components, or restoring factory driving parameters after previous modifications.

Professional application and parts selection

The set of springs designed to work with BMW F13 rear shock absorbers is suitable for both service centers specializing in the BMW brand and independent workshops that prioritize the correct selection of suspension components. When planning work, it is worth considering the condition of other rear axle components, such as bushings, control arms, or shock absorber mounts, to restore the full efficiency of the system in one stage.

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other elements from the same group, such as struts, inserts, or mounts, check out the available parts in the BMW Shock Absorbers and Struts category.

Technical support and additional information

For users who want to better understand the relationships between springs, shock absorbers, and other suspension elements, a guide describing the operating principles and symptoms of wear for individual components will be helpful. Practical tips on diagnostics and operation can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers.

If you are considering installing a used set of springs and want to verify your concerns regarding the durability and cost-effectiveness of such a solution, it is worth reading the material discussing the most common beliefs on this topic: Used Car Parts: Myths and Facts You Need to Know. This will make it easier for you to make an informed decision about choosing the right components for your BMW.