Spring Strut Set BMW E90 E91 Front Suspension Sachs Shock Absorber 311 405/406

BMW E90 Front Left Right Shock Absorbers Sachs Kit is a complete, used set of front suspension components designed for installation on the front axle. The kit offers a practical service solution, allowing for consistent refreshment of suspension performance and maintaining predictable vehicle handling. By using Sachs components, you achieve stable vibration damping and more confident vehicle behavior in everyday use.

Specifications and technical data

• SKU: 311 405/311 406
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 311 405/311 406
• Substitutable numbers: 311 405, 311 406, Sachs, BG
• Location on the vehicle: Front
• Category: Leaf & Coil Springs

Intended Use and Function in the Suspension System

The presented kit includes front shock absorbers intended for installation on the left and right sides of the front axle in BMW E90 series vehicles. These components work with other suspension parts, responsible for:

• controlling spring compression and limiting body roll,
• damping vibrations transmitted from road imperfections to the chassis,
• maintaining stable tire contact with the road during braking and acceleration,
• increasing the predictability of the vehicle's response to steering inputs.

By using a pair of front shock absorbers from a single kit, you achieve consistent performance characteristics on both sides of the axle, which translates to more uniform vehicle behavior in corners and during emergency maneuvers.

Construction and Role of Shock Absorber Mounts and Struts

This product belongs to the category of Shock Absorber Mounts and Struts, meaning it is an integral part of the front suspension strut. In practice, it is responsible for:

• a rigid yet flexible connection between the body and the wheel-hub-knuckle assembly,
• transferring vertical and lateral loads generated during driving,
• maintaining correct suspension geometry within the limits set by the vehicle manufacturer.

Properly selected and functional shock absorber mounts and struts limit unwanted play, which contributes to precise steering and reduces the risk of accelerated wear on other suspension components.

Kit Characteristics and Installation Benefits

The kit includes a complete set of left/right front shock absorbers, facilitating servicing and allowing for simultaneous replacement of both sides of the axle. This service approach ensures:

• uniform damping characteristics on both sides of the vehicle,
• more predictable vehicle behavior after repair,
• limited wear differences between the left and right sides.

The used nature of the parts makes this a cost-effective solution while maintaining functionality suitable for further use. The kit is particularly useful in situations where a quick restoration of suspension performance is necessary after mechanical damage or intensive use.

Selection, Compatibility, and Technical Aspects

The BMW E90 Front Left Right Shock Absorbers Sachs Kit is an option for users who expect to maintain the original driving characteristics of their vehicle. When selecting this part, it is important to consider:

• compatibility with the specific body version and engine of the BMW E90,
• the type of suspension installed in the particular vehicle,
• the condition of other system components, such as springs, stabilizer links, or top mounts.

The product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle in parts catalogs. The brand designated as Unbranded in the store parameters indicates the absence of an official commercial brand assignment, while utilizing Sachs components within the shock absorber kit itself.

Extended Offer and Additional Materials

If you are planning a comprehensive front suspension overhaul for your BMW and are also interested in other items from the mounts, brackets, or struts category, check the available parts in the Unbranded Shock Absorber Mounts and Struts category.

In case of post-accident repairs where body parts or suspension mounts have also been damaged, a practical guide describing the selection and installation of used components may be helpful – you can find more information in the article Body and Chassis – Post-Accident Repairs Using Dismantled Parts.