Brake Caliper BMW X5 X6 E70 E71 Rear Left N/S Brake Housing Carrier 44/24

Brake Caliper BMW X5 X6 E70 E71 Rear Left N/S Brake Housing Carrier is an original component from the Brake calipers and carriers group, designed for the rear left axle of BMW X-series vehicles. This used caliper housing provides a solid base for professional refurbishment or replacement of a damaged body, ensuring proper pad guidance and stable mounting within the braking system. It is an ideal solution for users who require compatibility with the factory system geometry and predictable braking performance.

Specifications and technical data

• SKU: 6776789
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6776789
• Substitutable numbers: 34216776789, 6776789, 34216776801, 6776801, 44/24
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and fitment for BMW X5 / X6

The presented caliper housing is designed for installation on the rear, left side of the vehicle, ensuring compatibility with the factory brake disc and pad guidance system in BMW X5 and X6 E70 / E71 generations. The body construction is adapted to the standard mounting points on the steering knuckle and carrier, allowing the component to be integrated into the existing system after proper preparation without the need for modifications to other parts.

The caliper housing plays a key role as a carrier for pistons, seals, and guide pins, which is why its precise fitment to a specific BMW model directly impacts the even pressure of pads against the disc and the stability of braking force on the rear axle.

Technical characteristics of the caliper housing

As an item from the Brake calipers and carriers category, this housing acts as a rigid working body in which the moving parts of the caliper are seated. Properly designed channels and seats for pistons and seals allow for maintaining the correct brake fluid pressure and repeatable mechanism operation. The body geometry is matched to the specific size of the disc and pads intended for the rear axle in these BMW models, which helps maintain the correct contact surface between the pads and the disc.

The housing is prepared to work with the vehicle's standard hydraulic system, and its construction ensures adequate rigidity, reducing deflection during intensive braking. This allows for a stable pedal feel and predictable system response under typical operating conditions.

Use in service and the refurbishment process

A used caliper housing is particularly useful in situations where the existing body has suffered mechanical damage, corrosion, or deformation, while other components of the braking system remain in good condition. Such a component can undergo cleaning, sandblasting, dimensional inspection, and replacement of all wear parts, creating a base for a complete, refreshed caliper.

In workshop practice, this type of housing allows you to:

• restore the correct caliper geometry on the rear, left axle,
• maintain compatibility with factory mounting points in the BMW X5 / X6,
• minimize repair costs by utilizing existing, functional sub-assemblies.

Benefits of using an original BMW housing

Using an original caliper housing in a BMW braking system translates into consistency with the vehicle's factory design. This means maintaining the body rigidity intended by the manufacturer, proper force distribution, and compatibility with standard mounting and guiding elements. For the user, this means predictable vehicle behavior during braking, without the need to adapt aftermarket replacements of uncertain geometry.

Choosing this solution is beneficial both for workshops specializing in the BMW brand and for individual users who want to restore the efficiency of the braking system while maintaining a construction close to the factory standard.

Technical support and selection of used brake components

When selecting a used caliper housing for a specific version of the BMW X5 or X6, it is worth paying attention to compliance with manufacturer markings and axle parameters to avoid problems with installation and system operation. Comparing the construction with the removed part and consulting the vehicle's service documentation can be helpful.

If you want to deepen your knowledge on the safe selection of used brake components, such as discs, calipers, or ABS system elements, check out our guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?

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