BMW F70 F74 X1 U11 M Sport Compound Brake Disc Set Rear Left Right N/O/S 6891087

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F70 F74 X1 U11 M Sport Compound Brake Disc Set Rear Left Right is a set designed for the left and right side of the rear axle, specifically engineered for the M Sport version. Thanks to the compound construction and precise fitment for this specific X1 generation, it provides a consistent service solution for demanding users. This set of original brake discs is a sensible choice for drivers who want to maintain factory braking characteristics at controlled costs.

Specifications and technical data

• SKU: 6891087
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6891087
• Substitutable numbers: 6891087, 34206891087
• Location on the vehicle: Rear, Right, Left
• Part type: Brake Disc Rotor
• Category: Brake Disc Rotors

Purpose and fitment for BMW X1 U11 M Sport

The presented set includes rear brake discs mounted on the right and left side of the rear axle, compatible with the brake system architecture of the BMW X1 U11 in the M Sport version. Proper placement on the vehicle minimizes the risk of errors during part selection and facilitates service planning in a professional workshop or during DIY replacement.

The original BMW origin promotes the maintenance of proper system geometry, correct interaction with calipers, and stable operation of braking assistance systems. This is particularly important in modern designs, where the braking system is closely integrated with the vehicle's electronics.

Compound technology in rear brake discs

Brake discs using compound technology utilize a multi-element construction that allows for better management of temperature and rotating mass. In practice, this translates into:

• more stable braking parameters during repetitive, intensive descents or emergency braking,
• reduction of thermal loads transferred to the hub and bearings,
• favorable strength-to-weight ratio, which supports the steering precision typical of the M Sport version.

As a result, this rear brake disc set fits well with the characteristics of dynamic driving, ensuring predictable brake system response and daily comfort.

Characteristics of the set

The offered set comes from the segment of used BMW parts, which allows for an economical restoration of the factory brake system configuration. Used brake discs are a popular choice in situations where the priority is to maintain the vehicle's original specification while limiting service costs.

In practice, such a choice is particularly attractive for users who:

• comprehensively service the rear axle (discs along with pads and hardware),
• care about the consistency of components within one axle,
• are looking for parts compliant with BMW's factory requirements for the M Sport version.

Professional installation and operation

Due to the specific nature of the compound construction and precise placement on the vehicle (rear, right and left side), installation in a workshop environment, following the manufacturer's procedures, is recommended. Proper tightening, cleaning of mating surfaces, and inspection of cooperating elements (pads, calipers, sliders) influence:

• even wear of the disc working surface,
• stability of braking force on both sides of the axle,
• reduction of vibrations and noise during braking.

A brake system prepared in this way promotes safe operation of the BMW X1 U11 M Sport both in city traffic and on highways.

Brake system service 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 pads, lines, or additional components, check the available parts in the BMW Brake Discs category.

When selecting used brake system components, it is worth relying on a proven procedure for assessing technical condition. Detailed tips on how to safely choose discs, calipers, and ABS system components can be found in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?.