BMW E60 E87 E90 Brake Shoe Adjustment Bolt is a component from the Other category, designed for precise adjustment of the shoe spacing in the rear braking system of selected BMW models. Thanks to its factory geometry and adherence to original assembly tolerances, it ensures stable operation of the drum brake mechanism in rear discs, which translates to uniform performance of the parking and service brake.
Specifications and technical data
- SKU: 6851437
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6851437
- Substitutable numbers: 34416851437, 6851437, 34411163400, 1163400, 34411151198, 1151198
- Category: Other Brake Parts
Purpose and Function of the Adjustment Bolt
The BMW Brake Shoe Adjustment Bolt is responsible for adjusting the shoe spread in the brake mechanism, allowing for the setting of the correct working clearance. A properly selected element of this type:
- facilitates precise positioning of the shoes relative to the working surface of the brake disc drum,
- reduces the risk of uneven parking brake engagement,
- supports the maintenance of repeatable braking force on both wheels of the axle.
For exploited BMW 1, 3, and 5 Series vehicles of the E generation, replacing a worn adjustment bolt is often a necessary step in comprehensive rear braking system service.
Compatibility with BMW Platforms
The presented BMW Brake Shoe Adjustment Bolt is designed for use in popular models based on the E60, E87, and E90 platforms. This means it is adapted to the construction of the rear drum-disc brake system used in these generations, maintaining:
- the appropriate working length of the adjustment element,
- the correct adjustment travel,
- an original-compliant mounting method in the shoe mechanism.
This allows the bolt to be used for both standard replacement of worn components and for repairs resulting from corrosion or mechanical damage to the adjustment elements.
Component Characteristics and Application Benefits
As a part from the BMW group, the adjustment bolt retains a design consistent with the factory solution, which facilitates installation and subsequent service. The use of original geometry ensures:
- correct shoe guidance throughout the full adjustment range,
- stable maintenance of the set working clearance,
- the possibility of multiple setting corrections during periodic inspections.
This solution is particularly beneficial for vehicles used intensively, where the braking system operates under variable load conditions and requires regular checks.
Component Condition and Service Application
The offered BMW E60 E87 E90 Brake Shoe Adjustment Bolt is a used part and is intended for users and workshops looking for original components for rear braking system service. This type of part is suitable for situations where:
- the factory bolt has seized or been damaged during adjustment,
- the entire adjustment mechanism needs replacement during parking brake repair,
- an element consistent with the OEM solution is preferred over universal aftermarket alternatives.
By retaining its original design, the bolt allows for service in accordance with the vehicle manufacturer's procedures, which is important for both safety and the durability of the entire system.
Other BMW Components in This Category
If, during rear brake service, you also need other components from the Other category dedicated to this brand, check out the BMW Other parts available in our store to complete the set of components for your car.
Technical Knowledge and Braking System Development
To compare solutions used in different vehicle makes and segments, and to better understand the differences in braking and chassis system construction, it is worth reading the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, the specifics of more powerful versions and their braking components.
