Description
BMW E87 E90 Brake Disc Rotors Right Left Rear is an original part from the Brake Discs group, designed for installation on the rear axle in selected BMW 1 and 3 Series models. The product comes from disassembly, making it a cost-effective solution for users seeking factory fitment and preservation of the braking system’s proper characteristics.
Specifications and technical data
- SKU: 6855007
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6855007
- Substitutable numbers: 34216855007, 6855007, 34216764651, 6764651
- Location on the vehicle: Rear, Right, Left
- Category: Brake Disc Rotors
Intended Use and Vehicle Placement
The presented brake disc is prepared for operation on the vehicle’s rear axle, with the possibility of mounting on both the right and left sides. This solution facilitates part selection during rear axle service and allows for consistent restoration of braking performance on both sides of the vehicle.
The vehicle placement has been clearly defined in the specifications, which reduces the risk of error in component selection and speeds up the installation process in the workshop.
Technical Characteristics and Fitment
The disc belongs to the Brake Discs category, meaning it is designed to work with factory BMW calipers and brake pads. The appropriate working profile and correct friction surface geometry contribute to stable friction and predictable vehicle behavior during braking.
The manufacturer’s designation and available replacement numbers allow for precise verification of compatibility with a specific version of the BMW E87 or E90. This ensures the part can be safely selected based on service documentation as well as online catalogs.
Benefits of Using an Original BMW Disc
Using an original BMW brake disc translates into several significant operational benefits:
- factory fitment to the hub, caliper, and brake pads of the specific model,
- preservation of the braking characteristics intended by the manufacturer,
- consistent operation of the braking system on both sides of the rear axle,
- easier diagnostics and service due to clear part markings.
For users who want to maintain the braking system in a configuration close to factory settings, choosing such a disc is a technically justified solution that allows for predictable vehicle behavior in everyday use.
Product Condition and Service Application
The brake disc is offered as a used part, making it an attractive option for budget repairs, temporary fixes, or phased braking system overhauls. These types of components are often chosen by BMW-specialized workshops when preserving the original specification while optimizing costs is a priority.
Before installation, a standard inspection of the working surface, runout measurement, and verification of the minimum permissible thickness according to BMW service documentation are recommended to ensure safe and stable system operation.
Safe Selection of Used Braking System Components
When choosing a used brake disc, it is advisable to be guided not only by markings but also by the inspection and measurement procedure. A detailed list of steps to pay attention to when purchasing used discs, calipers, and ABS components can be found in the guide Used Braking System: How to Safely Select Discs, Calipers, and ABS?. This is a practical addition to the knowledge for those who want to consciously service the brakes on their BMW.
Expanding BMW Braking System Service
If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other parts from the same group, such as additional discs, compatible pads, or related mounting components, check the available parts in the BMW Brake Discs category.
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