BMW X5 E70 Sports Air Suspension Pneumatic Spring Rear Left N/S 6790080

Visual condition of the part

The product shows signs of use visible in the photos. BMW X5 E70 Sports Air Suspension Pneumatic Spring Rear Left N/S is a suspension system component designed for the rear axle on the driver's side, specifically engineered for BMW X5 E70 models with sports suspension. It enables the maintenance of proper vehicle ride height, stability, and predictable handling under various load conditions. This solution is dedicated to drivers who expect precise suspension response and consistency with the vehicle's factory characteristics.

Specifications and technical data

• SKU: 6790080-9
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6790080
• Substitutable numbers: 37126790080, 6790080, 37126776995, 6776995, 37206781223, 6781223, 37236776249, 6776249
• Location on the vehicle: Rear, Left
• Part type: Shock
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The air suspension spring is responsible for supporting the load of the rear body and adjusting the ride height depending on driving conditions and cargo weight. In the sports suspension version of the BMW X5 E70, it operates with more dynamic characteristics, providing:

• stable support for the rear axle at higher speeds,
• control of body roll during rapid changes in direction,
• maintenance of the set height regardless of the load in the trunk or the number of passengers. The placement on the vehicle is limited to the rear left side, which allows for precise fitting to the specific mounting point in the body and suspension system.

Construction and the Shock absorbers and struts category

The product belongs to the Shock absorbers and struts category, which means it works directly with components responsible for damping vibrations and wheel guidance. In practice, the air spring:

• creates a resilient support for the wheel, replacing a classic coil spring,
• interacts with the shock absorber, which is responsible for controlling rebound and compression movement,
• enables the vehicle's electronic systems to correct the height and suspension characteristics. This configuration is particularly beneficial in SUV class vehicles, where a combination of comfort, handling precision, and the ability to carry heavier loads is important.

Selection and technical compatibility

The air spring has been developed as a part compliant with BMW factory standards, which facilitates its integration with the existing air suspension system. When selecting the component, it is worth paying attention to:

• compatibility with the body version and suspension type (sports),
• correct placement on the vehicle (rear, left side),
• consistency with other components of the pneumatic system (compressor, lines, valves). The presence of dedicated part numbers and interchangeable numbers in the technical specification allows for verification of compatibility with a specific vehicle configuration, which minimizes the risk of incorrect selection.

Performance characteristics and installation benefits

As a used component, the air suspension spring provides a solution for economical system repair while maintaining the factory design concept. Key benefits include:

• maintaining the original operating characteristics of the sports suspension,
• the ability to restore the correct height of the rear of the vehicle,
• reduction of excessive body roll and "floating" under load. A properly selected and installed air spring influences the predictable behavior of the vehicle, which is important for both driving comfort and safety during braking or emergency maneuvers.

Technical support and additional materials

To better understand the role of these types of elements in the entire running gear, it is worth consulting a guide describing the relationships between resilient suspension elements, shock absorbers, and stabilizers. A detailed discussion of these issues can be found in the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which helps to assess the condition of individual components and plan their replacement. 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 air springs, shock absorbers, or complete struts, check the available parts in the BMW Shock absorbers and struts category.