BMW F30 LCI M Sport Suspension Spring Strut Shock Front Left Right N/O/S 6873801

BMW F30 LCI M Sport Suspension Spring Strut Shock Front Left Right is an original component from the Shock Absorbers and Struts group, designed for installation on the left or right side of the front axle. This solution is engineered for precise handling, stable body control, and maintaining the suspension characteristics specific to the M Sport version.

Specifications and technical data

• SKU: 6873801
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6873801
• Substitutable numbers: 6873801, 31316873801
• Location on the vehicle: Front, Left, Right
• Category: Shocks, Struts & Assemblies

Purpose and function in the BMW F30 LCI suspension

The M Sport shock absorber for the BMW 3 Series F30 LCI is responsible for controlling spring deflection, damping vibrations, and stabilizing the vehicle body during acceleration, braking, and cornering. The component operates on the front axle and can be used on both the left and right sides, which facilitates selection when replacing a single strut or a pair.

Thanks to the sporty characteristics of the M Sport suspension, this type of strut provides a more direct steering response, reduces body roll, and improves tire contact with the road surface. This is particularly important in cars with a dynamic driving style, where consistent, predictable vehicle behavior is essential.

Benefits of using an original M Sport strut

Using an original shock absorber strut in a BMW F30 LCI allows for maintaining the factory suspension geometry and proper cooperation with other chassis components. In practice, this means:

• consistent performance with stock M Sport springs,
• proper operation of safety systems (ABS, DSC, traction control),
• stable handling at higher speeds,
• better control over the car during sudden maneuvers.

The original strut design is engineered for the specific weight and load distribution of the BMW F30 LCI, which minimizes the risk of undesirable effects, such as uneven tire wear or reduced ride comfort after replacing the shock absorber with an aftermarket part of different characteristics.

Condition, fitment, and installation

The presented item comes from the used BMW parts group, which allows combining original construction with a more favorable purchase cost compared to a new component. The strut is intended for installation at the front of the vehicle and can replace the factory-fitted M Sport shock absorber on the left or right side, depending on service needs.

When replacing, it is recommended to check the condition of other suspension components – springs, strut mounts, bump stops, and dust covers – to ensure the uniform operation of the entire system. In many cases, it is beneficial to install shock absorbers in pairs on one axle, which improves damping symmetry and handling stability.

Application in the context of safety and comfort

A functional M Sport shock absorber has a direct impact on braking distance, the effectiveness of stability control systems, and travel comfort. A worn or damaged strut can cause:

• increased braking distance on uneven surfaces,
• reduced grip in corners,
• excessive body roll and noise from the suspension area.

Replacing it with a functional, original component allows for restoring factory driving properties, which is especially important in cars with sporty characteristics, such as the M Sport versions of the BMW F30 LCI.

More about suspension and related components

To better plan your chassis service and understand how shock absorbers work with control arms and stabilizers, it is worth checking out our guide. Practical tips on diagnostics and maintenance can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses, among other things, the impact of suspension condition on driving safety.

If you are planning a comprehensive repair or upgrade of the front suspension area in your BMW and need other components from the same group, such as struts, columns, or complete shock absorbers, check the available parts in the BMW Shock Absorbers and Struts category.