BMW 3 4 Series F80 M3 F82 F83 M4 Supporting Ring Brake Shoe D=185MM 2284747

BMW 3 4 Series F80 M3 F82 F83 M4 Supporting Ring Brake Shoe D=185MM is an original BMW braking system component, designed for the high-performance 3 and 4 Series M3/M4 models. The precisely calibrated working diameter of the brake shoe supporting ring ensures stable component seating and predictable ABS system operation, resulting in safe and consistent braking performance.

Specifications and technical data

• SKU: 2284747
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 34212284747
• Substitutable numbers: 34212284747, 2284747
• Category: Additional ABS Parts

Purpose and function in the braking system

The presented brake shoe supporting ring is an auxiliary component of the braking system in BMW F80 M3 and F82/F83 M4 models. It is responsible for:

• stable guidance of the brake shoes within the auxiliary drum (parking brake),
• maintaining the correct operating geometry of friction elements,
• cooperation with the ABS system by ensuring consistent contact between the shoes and the working surface.

Thanks to its properly engineered design, the ring helps reduce uneven shoe wear and improves the operation of the parking brake under the demanding conditions typical for M-series vehicles.

Compatibility with BMW F80 M3 / F82 F83 M4

The element was designed specifically for the F8x platform, ensuring a perfect fit with factory mounts and dimensions used in the BMW M3 and M4. The original geometry allows for installation without modifications, while maintaining:

• correct positioning relative to the hub and auxiliary drum,
• compliance with the factory ABS system and vehicle electronics,
• consistency with other rear axle braking system components.

This solution facilitates servicing and minimizes the risk of parking brake performance issues after component replacement.

Characteristics of the original BMW part

As a part from the Other ABS parts category, the supporting ring operates in the immediate vicinity of elements responsible for traction control and vehicle stability. Original manufacturing ensures:

• adherence to factory dimensional tolerances,
• compatibility with ABS sensors and control modules,
• material consistency with other braking system components.

This allows the ABS system in the BMW M3/M4 to operate under conditions close to factory specifications, which is particularly important in high-performance vehicles.

Condition, selection, and service application

The offered item is in used condition, making it an attractive cost-effective alternative while maintaining original BMW specifications. It is particularly useful in situations where:

• replacement of a damaged or corroded supporting ring is necessary,
• you are performing parking brake service combined with shoe regeneration,
• you want to maintain the braking system in an OEM configuration without using aftermarket parts of uncertain quality.

Before purchasing, it is recommended to compare the markings and design of the element with the part removed from the vehicle to confirm full compatibility with your specific equipment version.

Selection support and system expansion

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as additional supporting rings, brake shoe mounting hardware, or small components working with the anti-lock system, check out the available parts in the Other ABS parts BMW category.

When selecting original components, you may find our guide on the differences between OEM parts and replacements helpful – more on this topic can be found in the article Classic Mini vs modern MINI – how the design has changed and which original Mini parts help preserve their character, which discusses the importance of factory design solutions in the context of durability and predictability of vehicle systems.

Additional tips for choosing used components are also provided in our expert material No more bad purchases! How to professionally select used car parts, saving time and nerves, where you will find practical information on verifying the compatibility and quality of elements before installation.