BMW 1 Series F20 F21 M Sport Rear Left Right N/O/S Spring Strut Shock Absorber

The BMW F20 F21 M Sport Rear Left Right N/S Spring Strut is an original suspension component from the Suspension Replacement Kits group, designed for the rear axle of sporty versions of the BMW 1 Series. Its construction, adapted to the specifics of the M Sport package, ensures precise handling, stability at higher speeds, and predictable vehicle behavior in corners. This is a solution for drivers who expect a distinctly stiffer suspension characteristic and better vehicle control.

Specifications and technical data

• SKU: 6873724-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6873724
• Substitutable numbers: 33526873724, 6873724, 33526863752, 6863752, 33526860740, 6860740, 33526791586, 6791586
• Location on the vehicle: Rear, Right, Left
• Category: Suspension Component Replacement Kits

Intended Use and Vehicle Placement

The presented spring strut is designed for installation on the rear axle of the BMW F20/F21 with the M Sport package. Its design allows for application on both the left and right sides, simplifying component selection during comprehensive suspension replacement. This approach helps maintain consistent operating parameters on both sides of the axle, contributing to stable handling and even vibration damping.

Operating Characteristics and User Benefits

The M Sport spring strut has been developed for dynamic driving, typical of BMW compact models. Its appropriately selected damping characteristics support:

• better control of body roll during fast cornering,
• stability during sudden load changes,
• confident vehicle behavior during braking and acceleration.

As a result, the suspension maintains a sporty yet predictable character, which is particularly important for cars used both daily and in more demanding road conditions. Using a component from the same design line as the factory M Sport components helps maintain the cohesive operation of the entire system.

Benefits of Using an Original BMW Component

Choosing a spring strut from the BMW M Sport line primarily ensures the preservation of factory suspension geometry and tuning. The component is matched to the vehicle's weight, load distribution, and the characteristics of the other rear axle sub-assemblies, which reduces the risk of undesirable effects such as uneven tire wear or reduced traction.

The product comes from the BMW OE segment, meaning it complies with factory quality and installation standards. For the user, this translates to predictable installation, no need for modifications, and compatibility with other suspension system components in the specific model.

Condition, Application, and Selection within Suspension Replacement Kits

The offered component is part of the Suspension Replacement Kits group, making it a suitable choice for comprehensive service work on the rear axle. Replacing the spring strut in pairs (left/right) helps maintain suspension symmetry, which directly impacts safety and predictable handling.

Thanks to the dedicated OEM part number and associated replacement numbers, selecting the correct component for a specific BMW F20/F21 M Sport version is simplified and can be precisely verified based on service documentation or manufacturer catalogs.

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 shock absorbers, springs, or complete suspension modules, check the available parts in the BMW Suspension Replacement Kits category.

Knowledge and Inspiration Regarding Used Components

When planning service work or light tuning, it's worth considering the use of proven, used suspension components that allow for cost optimization without compromising on adequate quality. If you want to learn more about how to consciously select used parts – from suspension to other key sub-assemblies – read the article on our blog Audi on second-hand parts – tuning and repairs without loss of quality, where we discuss a practical approach to using second-hand parts in premium cars.