Brake Disc Set BMW X5 E70 Rear Left Right N/O/S Wheel Ventilated Brake 6868940

Brake Disc Set BMW X5 E70 Rear Left Right N/O/S Wheel Ventilated Brake is an original set mounted on the left and right wheels of the rear axle, designed for vehicles equipped with ventilated brake discs. The product comes from disassembly, making it an attractive solution for drivers looking for factory fitment and proven quality at a reasonable price.

Specifications and technical data

• SKU: 6868940-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6868940
• Substitutable numbers: 6868940, 34216868940, BG
• Location on the vehicle: Rear, Right, Left
• Category: Brake Disc Rotors

Purpose and fitment for BMW X5 E70

The presented set has been designed specifically for the BMW X5 E70 model, which ensures proper braking system performance parameters and compatibility with factory calipers and hubs. The discs are intended for installation on the rear axle, on both the left and right sides, allowing for an even replacement of both components and maintaining a stable braking force balance.

Thanks to the design provided by the vehicle manufacturer, the set works with the stock ABS system and electronic stability control systems, maintaining braking characteristics consistent with factory specifications.

Construction and characteristics of ventilated discs

The set includes two ventilated brake discs, whose internal channel structure improves heat dissipation during intensive braking. This reduces the risk of overheating, performance loss, and thermal deformation, which is particularly important in a heavy SUV like the BMW X5 E70.

The selection of the appropriate friction material and the working geometry of the disc surface translates into stable friction, predictable system operation, and comfortable brake pad performance. Using the original design helps reduce vibrations and pulsations on the brake pedal, and also supports even pad wear.

Condition, origin, and benefits of choosing used parts

The offered set of discs comes from the Brake discs category and is a used item, which means it has been removed from a vehicle and verified for further serviceability. This type of solution is particularly beneficial for users who want to maintain the original braking system specification while optimizing service costs.

Choosing original, used brake components allows for maintaining factory fitment to the hub, caliper, and shields, and also limits the risk of installation issues characteristic of some aftermarket replacements. It is a practical option for routine repairs, vehicle restoration, or returning the car to a factory-like condition.

Safety of installation and operation

To fully utilize the potential of the set, it is recommended to perform the installation at a specialized service center, following the vehicle manufacturer's procedures. Key steps include:

• thorough cleaning of the hub surface before seating the disc,
• checking radial and axial runout after installation,
• using the correct tightening torques for mounting bolts,
• proper bedding-in of the discs with the brake pads.

Such an approach promotes stable system operation, reduces the risk of vibrations, and ensures predictable vehicle behavior during braking in various road conditions.

Brake system expansion and additional materials

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.

When selecting used brake system components, it is worth following proven inspection and installation procedures. A detailed list of steps and practical tips can be found in the article "Second-hand braking system: how to safely choose discs, calipers, and ABS?", which helps to consciously plan service and avoid common mistakes when purchasing parts from the secondary market.