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

BMW F11 Touring Rear Air Suspension Spring Left Rear Left is an item from the Shock Absorbers and Struts category, designed for the rear left air suspension of the BMW 5 Series F11. It allows for the restoration of proper suspension operation, stable body position, and the driving comfort characteristic of this BMW generation. This is a solution for users who want to restore the factory suspension characteristics in a technically correct manner.

Specifications and technical data

• SKU: 6784379-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6784379
• Substitutable numbers: 37106784379, 6784379, 37206793278, 6793278, 37106784378, 6784378
• Location on the vehicle: Rear, Left
• Category: Shocks, Struts & Assemblies

Purpose and Function in BMW F11 Suspension

The rear left air spring is responsible for maintaining the correct body height and for damping on the rear axle. In conjunction with other system components, it creates a resilient yet precise air suspension that responds well to changes in trunk and rear axle load. Its placement on the vehicle, specified as rear – left side, eliminates the risk of installation errors and simplifies the selection of the correct component.

Benefits of Using an Original Air Spring

Using a dedicated air spring in the BMW F11 Touring allows for the suspension's operating characteristics to remain consistent with the manufacturer's design. A properly selected air spring:

• ensures stable rear axle height under various loads,
• reduces body roll when driving with passengers and cargo,
• supports even tire wear and the wear of cooperating suspension components,
• improves ride comfort over uneven surfaces compared to a faulty or leaking air spring.

This allows the driver to regain predictable vehicle behavior, and the suspension system operates within the parameters intended for the touring version with air suspension.

Technical Characteristics and Installation

The air spring belongs to the Shock Absorbers and Struts group but functions as a pneumatic spring element instead of a classic steel coil spring. It is designed for installation on the rear left side of the vehicle, which is important for both part selection and service planning.

The component is prepared for installation in place of the factory air spring, maintaining the original suspension geometry. In practice, this means the possibility of restoring factory settings without the need for structural modifications. After correct installation and air system adaptation, the suspension regains proper operation in comfort and dynamic modes.

Product Condition and Service Application

The offered air spring is a used original BMW part, making it an attractive option for users seeking parts at a reasonable budget while maintaining factory construction. This type of component is well-suited for:

• repairs after an air suspension failure (vehicle rear sagging, uneven height),
• routine maintenance when leaks or wear of the air spring are detected,
• restoring the factory suspension after previous modifications.

By maintaining its original design specifications, the air spring works with the factory suspension control and other rear axle components.

Technical Support and Suspension Knowledge

When planning suspension work, it is advisable to expand your knowledge about the interaction of air springs, shock absorbers, and control arms. Detailed information on diagnostics and operation can be found in the article “Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers”, which discusses practical aspects of maintaining the suspension in good condition.

Other BMW Shock Absorbers and Struts

If you are completing the rear axle or planning a more extensive suspension service for your BMW, also check out other items from the Shock Absorbers and Struts category dedicated to this brand. The full offer can be found in the BMW Shock Absorbers and Struts section, which will help you select compatible components for your specific vehicle configuration.