Brake Caliper BMW X5 E70 X6 E71 Rear Left N/S Housing Carrier 40/20/320

Brake Caliper BMW X5 E70 X6 E71 Rear Left N/S Housing Carrier is an original brake system component from the Brake calipers and carriers group, designed for installation on the rear left axle of BMW X5 and X6 series vehicles. This used brake caliper provides a functional service solution for drivers looking to restore proper braking performance while maintaining the factory design and geometry of the system.

Specifications and technical data

• SKU: 6776787-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6776787
• Substitutable numbers: 34216776787, 6776787, 34216776936, 6776936, 40/20/320, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented brake caliper is designed for use on the rear left side of the vehicle, which is crucial for maintaining the correct braking force distribution in BMW X5 and X6 E70/E71 generation models. Placement on the rear axle means it works in conjunction with the rear brake disc and pads, ensuring stable deceleration and supporting the vehicle's safety systems.

The caliper's design is adapted to the suspension and hub architecture of these models, facilitating installation in place of the factory component without the need to modify other sub-assemblies. As a result, this part can be used both for standard maintenance replacements and for repairs following mechanical damage.

Technical and functional characteristics

The brake caliper belongs to the group of working components of the braking system responsible for pressing the pads against the disc. The 40/20 designation refers to the specific technical configuration of this caliper model, which is important when selecting compatible pads and discs. The applied design ensures even pressure distribution on the friction surface, which translates into a predictable brake pedal response.

As an original BMW part, the caliper is designed to work with the vehicle's factory hydraulic system, maintaining the operating parameters specified by the manufacturer. Properly selected piston diameters and mounting geometry promote braking stability, especially in heavier SUV-type vehicles such as the BMW X5 and X6.

Benefits of using an original BMW caliper

Choosing a used, original BMW brake caliper allows you to maintain the structural consistency of the entire braking system. The most important advantages of this solution include:

• factory fitment to the steering knuckle, hub, and brake disc in E70/E71 models,
• preservation of the braking characteristics intended by the manufacturer,
• compatibility with standard brake lines and mounting hardware,
• suitability for use as a service component during rear axle brake system repairs.

Thanks to this solution, you can restore the efficiency of the braking system in a controlled manner, without introducing structural changes that could affect the operation of brake assist systems.

Selection and safety of using used calipers

When selecting a used brake caliper, it is crucial to match it to the specific vehicle model, mounting side, and brake system configuration. In the case of the BMW X5 and X6 E70/E71 generation, it is essential that the rear left caliper complies with the factory specification, which helps avoid installation problems and uneven braking.

To better understand what to look for when purchasing parts from the secondary market, it is worth reading the guide describing the selection of used brake system components. Detailed tips can be found in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?, which discusses practical aspects of assessing the condition and compatibility of such parts.

Expanding BMW brake system service

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other components from the same group, such as additional calipers, brackets, or mounting carriers, check out the available parts in the BMW brake calipers and carriers category.

Summary

Brake Caliper BMW X5 E70 X6 E71 Rear Left N/S Housing Carrier is a used, original component intended for the rear left side of the vehicle, allowing for brake system service while maintaining factory design assumptions. A properly selected and installed caliper supports stable braking, which is important both in daily operation and during more intensive vehicle use. It is a practical solution for users looking for parts that comply with BMW's factory specifications in the area of the braking system.