BMW X5 E70 Pneumatic Spring Rear Left N/S Air Suspension Sack 6790079

The BMW X5 E70 Air Spring Bellow Left Rear is a component from the Shock Absorber and Strut Mounts category, designed for the rear left pneumatic suspension in the BMW X5 E70 generation. This solution allows for the restoration of proper suspension operation, body stability, and driving comfort in line with BMW standards.

Specifications and technical data

• SKU: 6790079-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6790079
• Substitutable numbers: 37126790079, 6790079, 37126774041, 6774041, BG
• Location on the vehicle: Rear, Left
• Category: Shock & Strut Mounts

Purpose and Function in BMW X5 E70 Suspension

The BMW X5 E70 left rear air spring bellow functions as a key element of the rear axle's pneumatic suspension, responsible for maintaining the set body height and evenly distributing loads. Its placement on the vehicle is rear – left side, which is important for part selection and repair planning.

This component works in conjunction with the shock absorber, leveling control system, and other suspension components, ensuring:

• stable vehicle handling under various loads,
• better control of body roll,
• maintenance of proper wheel geometry for the rear axle.

Technical Characteristics and Fitment

The air spring bellow belongs to the Shock Absorber and Strut Mounts group, meaning it is designed to work with the factory BMW suspension system. Its construction is intended for installation at a specific point on the body and control arm, ensuring proper alignment and airtightness of the pneumatic system.

Its original BMW origin promotes precise fitment into mounting points, correct operation with factory air lines, and compatibility with the standard height control system. This reduces the risk of leaks, improper leveling, or suspension control system errors.

Condition, Service Application, and Benefits of Replacement

The offered air spring bellow is a used part, which is a cost-effective solution for servicing the suspension in vehicles used intensively or with higher mileage. Replacing a worn component with a functional one allows for:

• reducing the rear of the vehicle from sagging after parking,
• minimizing uneven leveling between the left and right sides,
• improving comfort in damping unevenness and stability at higher speeds.

Due to its dedicated placement on the rear left side, the air spring bellow is the correct choice for unilateral damage or leaks on that side of the vehicle. In service practice, it is often recommended to inspect both sides of the axle to ensure uniform operation of the entire system.

Integration with Suspension System and Installation Aspects

The left rear air spring bellow in the BMW X5 E70 integrates with the existing suspension architecture, so during installation, it is crucial to maintain the correct working position and properly connect the pneumatic line. A correctly selected component:

• facilitates installation due to matching mounting points,
• ensures a sealed connection to the air system,
• allows for proper leveling calibration on the suspension control side.

In conjunction with a properly functioning shock absorber and other rear axle components, the air spring bellow contributes to maintaining the characteristic comfort and predictable road behavior of the BMW X5 E70.

Related Products and Technical Knowledge

If you are looking for other elements from the BMW Shock Absorber and Strut Mounts category, check out the BMW Shock Absorber and Strut Mounts available in our store to select suspension components tailored to your car's specific configuration.

For those interested in deepening their knowledge about selecting used OEM parts and their impact on vehicle handling, we recommend the article on our blog: Go-Kart Feeling XXL – Comparison of Used N18 and B48 Turbochargers in Mini Cooper S, which demonstrates a practical approach to selecting components based on technical parameters and system operating characteristics.