BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut 311409

BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut is an original component from the Shock Absorbers and Struts group, designed for installation on the left or right side of the rear axle. This used Mini brand component ensures factory-standard suspension performance, which translates into predictable handling and vehicle stability.

Specifications and technical data

• SKU: 311409-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 311409
• Substitutable numbers: 311409, Sachs, E90, 311 409, BG
• Location on the vehicle: Rear, Right, Left
• Category: Shocks, Struts & Assemblies

Purpose and vehicle placement

The presented BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut is designed for operation on the rear axle of the BMW 1 Series E87, with the possibility of installation on both the left and right sides. This solution facilitates part selection when replacing in pairs and allows for maintaining consistent damping parameters on both sides of the vehicle.

The component belongs to the Shock Absorbers and Struts group, responsible for controlling suspension deflection, limiting body roll, and maintaining constant tire contact with the road surface. A properly selected shock absorber spring strut influences braking efficiency, the operation of ABS/ESP systems, and ride comfort on uneven surfaces.

Technical and functional characteristics

The BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut combines vibration damping with suspension spring guidance in a single assembly. Thanks to this, the rear axle construction remains compact, and loads are transferred to the body in a controlled manner.

• optimized damping for the typical weight and geometry of the BMW 1 Series E87,
• assembly designed for operation in a standard suspension system,
• compatibility with factory mounting points on the rear axle.

The used OEM component maintains proper operating characteristics, provided it is installed in pairs and in conjunction with other functional suspension components. This allows for restoring the car's predictable reactions during braking, lane changes, and cornering.

Application in service practice

Replacing the BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut is recommended in case of leaks, excessive body sway, increased braking distance, or uneven tire wear. Installing a component designed for operation on both the left and right sides simplifies the service process and reduces the risk of errors when selecting parts.

During suspension maintenance, it is worth paying attention to the condition of top mounts, bump stops, and dust covers to ensure the shock absorber has proper working conditions. A correctly selected and installed spring-damping assembly helps maintain vehicle stability at higher speeds and when driving under load.

Integration with other suspension elements

The BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut works with other suspension system components, such as control arms, stabilizers, and mounting elements. The consistency of these sub-assemblies is crucial for maintaining neutral car reactions and even force distribution to the body.

To better understand the relationships between shock absorbers, control arms, and stabilizers and their impact on driving safety, it is worth reading the guide material: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the suspension zone in your Mini and need other elements from the same group, such as rear shock absorbers, front struts, or complete spring-damping assemblies, check the available parts in the Mini Shock Absorbers and Struts category.

Summary

BMW 1 Series E87 Sachs Rear Left Right N/O/S Shock Absorber Spring Strut is a used OEM component from the Shock Absorbers and Struts group, designed for installation on the left or right side of the rear axle. Using this component allows for restoring proper suspension operation, increasing vehicle stability, and maintaining predictable car behavior in daily use.