BMW E90 E91 E92 E93 Front Wheel Brake Disc Left Right N/O/S SET x2 6855000

BMW E90 E91 E92 E93 Front Wheel Brake Disc Left Right N/O/S SET is an original set of two brake discs for the left and right side, designed for the front axle. This is a solution for drivers who expect factory fitment, predictable braking system performance, and consistency with the BMW suspension design.

Specifications and technical data

• SKU: 6855000-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6855000
• Substitutable numbers: 34116855000, 6855000, 34116770729, 6770729
• Location on the vehicle: Front, Left, Right
• Part type: Brake Disc Rotor
• Category: Brake Disc Rotors

Purpose and fitment for BMW 3 Series E9x

The presented set includes two front brake discs for the BMW 3 Series E90, E91, E92, and E93 generations, mounted on the front axle on the left and right sides. The set is designed as a brake system component that works with factory calipers and pads, which promotes stable braking force distribution and maintains the proper operating characteristics of the ABS and DSC systems.

Thanks to a design consistent with the vehicle manufacturer's specifications, the discs ensure proper positioning relative to the hub and caliper, which reduces the risk of vibrations, runout, and uneven pad wear. This is particularly important in cars where precise handling and repeatable braking performance are essential.

Technical and functional characteristics

As an item in the Brake discs category, the set is responsible for transferring braking force from the pads to the wheel, and thus for the vehicle's actual stopping distance. The design of the discs is adapted for operation on the front axle, where thermal and mechanical loads are highest, which is why it is crucial to use a component with appropriate rigidity and resistance to overheating.

The placement on the vehicle covers the front left and right sides, which allows for the simultaneous replacement of both discs as a pair – a solution recommended from the point of view of uniform brake system operation. The use of original disc geometry promotes proper cooperation with the hub, bearings, and suspension elements, which translates into driving comfort and vehicle stability during intense braking.

Original origin and identification parameters

The discs come from the BMW range, which means compliance with the vehicle manufacturer's factory design and material standards. The product has a dedicated OEM part number and assigned replacement numbers, allowing it to be precisely verified against the BMW catalog or professional parts catalogs. In the technical specification description, you will also find reference markings that facilitate matching to the specific engine and equipment version of your car.

The condition of the part is used, which allows for an economical refresh of the brake system while maintaining the original design. For many BMW users, this is a reasonable compromise between cost and maintaining consistency with the vehicle's factory design.

Benefits of using original brake discs

Choosing original brake discs for the BMW 3 Series E90–E93 brings a number of practical advantages:

• factory fitment to the hub, calipers, and brake pads,
• consistent operation with safety systems (ABS, traction control, electronic stability control),
• maintenance of predictable braking characteristics in various road conditions,
• reduced risk of installation problems due to compliance with the manufacturer's design.

If you want to better understand how the selection of brake system components affects service costs and safety, it is worth reading the blog article Brake calipers under the microscope: how to reduce repair costs of the braking system by choosing proven recycled parts, which discusses the practical aspects of using original, used components.

Professional selection and expansion of the BMW brake system

When planning service work on the brake system, it is worth thinking of it as a coherent system. Replacing discs often involves checking pads, flexible hoses, calipers, and mounting elements. 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 pads, hoses, or additional components working with the discs, check the available parts in the BMW Brake discs category.

For a broader perspective on the quality and cost-effectiveness of using original recycled components in BMW cars and other brands, you can also use the guide material Quality assurance and OEM safety – why used original car parts are the best choice, which explains the meaning of OEM markings and their impact on vehicle operational safety.