Support Ring BMW G11 LCI G12 LCI G30 Brake Vacuum Pump 6874332

Support Ring for BMW G11 LCI, G12 LCI, G30 Brake Vacuum Pump is an original mounting component from the Brackets, Mountings, and Mounting Parts group, designed for the brake vacuum pump system in selected facelifted BMW 5 and 7 Series models. The precisely selected geometry of the support ring ensures stable seating of the pump, which promotes even operation of the braking system and reduces unwanted vibrations. A used OEM component is a sensible choice for servicing the factory system when you want to maintain the original design and compatibility.

Specifications and technical data

• SKU: 6874332
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6874332
• Substitutable numbers: 6874332, 34336874332
• Category: Mounts, Brackets & Hardware

Purpose and Technical Function

The presented support ring is a mounting element for the brake vacuum pump in BMW G11 LCI, G12 LCI, and G30 models. Its function is to stably support and correctly position the pump relative to other components, so that forces acting during system operation are not excessively transferred to adjacent body and engine elements.

A properly selected support ring minimizes the risk of:

• micro-displacements of the pump leading to leaks at connections,
• excessive vibrations affecting acoustic comfort,
• accelerated wear of mountings and vacuum hoses.

Benefits of Using an Original BMW Part

Choosing an original BMW support ring from the Brackets, Mountings, and Mounting Parts group allows you to maintain the factory operating parameters of the braking system. The component has been specifically designed for the G11/G12 LCI and G30 body structure, ensuring:

• proper fit with the vacuum pump and mounting point,
• maintenance of the connection stiffness predicted by the manufacturer,
• reduced need for modifications or adjustments of aftermarket alternatives.

Using an OEM component is particularly important in the braking system area, where repeatability and stability of operating parameters directly impact driving safety.

Characteristics of the Used Component

The offered support ring is a used part, sourced from disassembly, allowing for economical repair while maintaining original manufacturing quality. This type of mounting element, when operated correctly, is not a rapidly wearing component, so in many cases, it can be used again without issues.

For correct selection, it is recommended to compare the ring's design with the element currently installed in the vehicle and verify its compatibility with BMW service documentation. This will give you confidence that the support ring will work with the existing vacuum pump and body mounting point.

Integration with the BMW Braking System

A correctly selected and installed support ring supports the stable operation of the vacuum pump, which translates to predictable brake assist performance in daily use. When working on this area – e.g., replacing the pump, hoses, or mounting elements – it is worth considering the support ring as an important part of a complete service operation.

If you are planning a comprehensive repair or upgrade of the vacuum pump mounting area in your BMW and need other parts from the same group, such as clamps, brackets, or additional mounting elements, check the available parts in the BMW Brackets, Mountings, and Mounting Parts category.

Expert Support and Part Selection

When working with vacuum systems and engine accessories, it is advisable to use reliable sources of knowledge and OEM components. For a better understanding of the relationship between accessories and engine durability, you can refer to an article dedicated to servicing popular Mercedes units – you will find practical tips on part selection and service prevention there: Reliability under the star – how to care for engine accessories in popular Mercedes-Benz C-Class and E-Class models?.