BMW F11 Touring Rear Suspension Pneumatic Air Spring Absorber Left N/S 6784379

BMW F11 Touring Air Suspension Bellows Left Rear is an item from the Shock Absorbers and Struts category, designed for the rear left air suspension in the BMW 5 Series Touring F11. It is responsible for maintaining the correct body height, vehicle stability, and comfort in damping unevenness, working in conjunction with the suspension leveling system.

Specifications and technical data

• SKU: 6784379-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6784379
• Substitutable numbers: 37106784379, 6784379, 37206793277, 6793277, 37106784378, 6784378
• Location on the vehicle: Rear, Left
• Category: Shocks, Struts & Assemblies

Purpose and Function in BMW F11 Suspension

The rear left air suspension bellows in the BMW F11 Touring acts as a flexible load-bearing element, replacing the traditional coil spring. In cooperation with the compressor and the suspension control system, it ensures:

• maintenance of the set rear axle height, regardless of the load in the trunk and cabin,
• stable vehicle handling when driving with a heavier load,
• more comfortable damping of unevenness compared to traditional suspension.

This component is dedicated for installation on the vehicle in the rear – left side area, which is important for selection and mounting at a specific point of the rear axle suspension.

Benefits of Using an Original Air Bellows

Using the correct air bellows in the BMW F11 Touring allows for the preservation of the original operating characteristics of the air suspension. A properly selected bellows ensures:

• correct cooperation with shock absorbers and other rear suspension components,
• consistent operation of the body leveling system and control electronics,
• reduction of body roll during braking and cornering.

This allows the driver to maintain predictable vehicle behavior, and the chassis operates within the parameters intended for the BMW F11 Touring.

Part Selection by Make, Numbers, and Location

The presented bellows belongs to the BMW brand and is an original part with an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification in catalogs and selection systems. The presence of reference numbers allows for:

• verification of compatibility with the specific F11 Touring body version,
• comparison with the currently installed part in the vehicle,
• checking compatibility based on BMW service documentation.

The specified location on the vehicle as the rear left side minimizes the risk of errors during ordering and installation, which is important for air suspension systems where the right and left sides may differ in design.

Condition, Application, and Installation Aspects

The air bellows is offered as a used part, which is a cost-effective solution while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where:

• there is a leak in the pneumatic system and a drop in the rear axle height,
• the suspension generates noise or uneven operation when the load changes,
• a single bellows needs replacement due to mechanical damage.

During installation, it is recommended to follow BMW service procedures, including proper bleeding and filling of the pneumatic system, and checking the tightness of lines and connectors. A properly installed bellows restores the correct operation of the rear air suspension and vehicle stability.

Technical Support and Related Products

If you are looking for other parts from the Shock Absorbers and Struts category for BMW, check out the BMW shock absorbers and struts available in our store to select a complete solution for your car's chassis.

To deepen your knowledge about suspension operation and the impact of shock absorbers and accompanying components on driving safety, it is worth reading the guide article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which helps to better understand the relationships between individual chassis components.