BMW X5 F15 X6 F16 M Rear Pneumatic Suspension Right O/S Cable Pipe Air 6850558

BMW X5 F15 X6 F16 M Rear Pneumatic Suspension Right O/S Cable Pipe Air is a component of the Automatic level control system, designed for the rear right suspension of BMW vehicles. It ensures stable body support, maintains the correct ride height, and provides predictable vehicle behavior under load, which translates into safe and comfortable handling.

Specifications and technical data

• SKU: 6850558-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6850558
• Substitutable numbers: 6850558, 37206850558
• Location on the vehicle: Rear, Right
• Category: Self-Levelling Suspension Parts

Purpose and function in the suspension system

The air suspension bellows operates in the rear right section of the vehicle, working in conjunction with the automatic leveling system. Its task is to maintain the set body height regardless of the number of passengers or cargo weight, which limits body roll, improves directional stability, and supports the operation of safety systems.

Thanks to its flexible design, the bellows compensates for road irregularities, reducing vibrations transmitted to the body. A properly selected component in this location allows for maintaining the handling characteristics intended by the BMW manufacturer, without unwanted changes in suspension geometry.

Benefits of using an original suspension bellows

Using an original suspension air spring in the Automatic level control system ensures:

• consistent operation with the factory pneumatic system and vehicle electronics,
• appropriate performance characteristics under various loads,
• better stability at higher speeds and during maneuvers,
• even body support on the right side of the rear axle.

Selecting the correct bellows for a specific BMW model reduces the risk of leveling system errors, uneven vehicle sagging, or excessive wear of other suspension components.

Vehicle placement and installation aspects

The presented item is intended for the rear right side of the vehicle, which is crucial when selecting parts for pneumatic systems. Proper placement ensures correct cooperation with air lines, level sensors, and other rear axle components.

When replacing the bellows, it is recommended to:

• check the tightness of pneumatic lines and connectors,
• verify the operation of the compressor and leveling system valves,
• perform height adaptation or calibration if required by the service procedure for the specific BMW model.

This approach allows for restoring the proper operation of the entire system, not just a single component.

Product condition and practical application

The offered suspension air spring is a used item, making it an attractive cost-effective alternative while maintaining compliance with BMW factory specifications. This solution is particularly beneficial for repairs of intensively used vehicles, where a reasonable balance between cost and functionality is important.

By choosing this product, you receive a component matched to a specific air suspension system, which allows you to restore proper body level maintenance, limit body roll, and improve ride comfort on uneven roads.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other elements from the same group, such as bellows, air springs, or components working with the leveling system, check the available parts in the BMW Automatic level control category.

Technical support and knowledge in part selection

When working with advanced systems in modern vehicles – both in suspension and drivetrain – it is crucial to understand the design differences between individual solutions. In the context of servicing the entire drivetrain and working with comfort and safety systems, it is worth consulting our guide: Transmission: manual, automatic, or DSG – common faults and a guide to buying a used gearbox. It allows for better planning of service work and conscious selection of used components in premium class cars.