BMW E81 E87 Front Wheel Ventilated Brake Unit Disc Set 292X22 6854997

BMW E81 E87 Front Wheel Ventilated Brake Unit Disc Set 292X22 is a set of original braking system components designed for the front axle, ensuring consistent performance on both sides of the vehicle. The set has been selected for the correct working dimensions, which translates into stable braking parameters and predictable vehicle behavior. By maintaining the factory disc geometry, the braking system operates in a manner consistent with the configuration installed in the car on the production line.

Specifications and technical data

• SKU: 6854997-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6854997
• Substitutable numbers: 34116854997, 6854997, 34116764641, 6764641
• Location on the vehicle: Front
• Category: Brake Disc Rotors

Purpose and fitment for BMW

The presented set includes front brake discs for BMW E81 and E87 models, prepared for installation on the left and right sides of the axle. Using dedicated components from the same design group allows for maintaining proper braking force distribution and reduces the risk of vibrations or uneven pad wear. A complete approach to replacing both discs simultaneously is particularly important in cars with precisely tuned suspensions, such as BMW, where the braking system has a direct impact on driving stability.

Technical characteristics of the set

The disc set has been designed for specific working dimensions, which ensures an appropriate friction surface for the cooperating brake pads. Maintaining the correct thickness and working diameter of the discs contributes to:

• effective heat dissipation during intensive braking,
• stability of braking force across the full speed range,
• proper cooperation with calipers and the wheel hub.

Placement on the vehicle is limited to the front axle, which facilitates the selection of other braking system components and allows the mechanic to clearly identify the mounting position. This minimizes the risk of errors when selecting spare parts.

Benefits of using original BMW discs

Choosing discs from the Brake discs group dedicated to the BMW E81 and E87 allows for maintaining factory operating parameters of the system. The original design supports:

• proper adhesion to the hub and even distribution of mechanical loads,
• consistent braking characteristics on the left and right sides of the vehicle,
• easier diagnostics and future service thanks to clear fitment to a specific model platform.

The used condition allows for an economical refresh of the braking system while maintaining the manufacturer's original specifications. This is a particularly beneficial solution for vehicles used intensively, where both safety and service cost control are important.

Professional installation and operation

Due to the nature of the component responsible for driving safety, installation by an experienced service center is recommended, following the vehicle manufacturer's procedures. During replacement, it is worth paying attention to:

• the condition of the hubs and contact surfaces,
• proper cleaning and degreasing of working surfaces,
• selection of brake pads with parameters compatible with the discs used.

Such an approach allows for fully utilizing the potential of the set and reducing the risk of undesirable phenomena, such as disc runout or uneven pad wear.

Braking system expansion and technical knowledge

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 discs, pads, or brake lines, check the available parts in the BMW Brake discs category.

To better understand the relationships between discs and calipers and to consciously select used braking system components, it is worth reading our guide: Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts. This will allow you to optimize the configuration of the entire system and make service decisions based on reliable technical information.