BMW Z4 E89 Rear Brake Caliper Housing Right O/S 6786058

BMW Z4 E89 Right Rear Brake Caliper Housing Rear Right is a component from the Brake Calipers and Brackets group, designed for the rear right axle of the BMW Z4 E89 generation. This is a practical solution for users who want to restore the functionality of the braking system while maintaining the factory mounting geometry and compatibility with original BMW components.

Specifications and technical data

• SKU: 6786058
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786058
• Substitutable numbers: 6786058, 34206786058
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and Function in the Braking System

The right rear caliper housing is responsible for the stable seating of the caliper's moving parts and the correct guidance of brake pads relative to the disc. In the BMW Z4 E89, its task is to ensure adequate connection rigidity, which translates into repeatable, predictable brake performance on the vehicle's rear axle.

Its placement on the rear right side of the vehicle means this component operates under demanding conditions – it is exposed to dirt, moisture, and temperature fluctuations. A properly selected caliper housing helps maintain even pad wear and stable system pressure, which is important for both safety and driving comfort.

Benefits of Using an Original BMW Housing

Using a caliper housing specifically designed for the BMW Z4 E89 allows you to retain the factory mounting points and compatibility with other braking system components. This means:

• you minimize the risk of installation problems and the need for mounting modifications,
• you maintain the correct position of the pads relative to the disc,
• you preserve predictable vehicle behavior during braking, even at higher speeds,
• you reduce the possibility of uneven wear of friction components.

For users who value the structural integrity of the braking system, it is important that the housing comes from the BMW parts family, which helps maintain performance parameters close to factory specifications.

Characteristics of a Used Component

The presented right rear brake caliper housing is a component from the aftermarket. Such components are often chosen as a reasonable compromise between repair cost and maintaining the original system design. A used housing, after appropriate preparation for installation, can effectively replace a worn or damaged part, restoring correct pad guidance and caliper mounting stability.

In practice, this means the possibility of restoring the original functionality of the braking system without the need to invest in a complete new caliper. This is particularly important for localized repairs where the supporting part has been damaged, and other components (piston, guides, pads) are in good condition or have already been replaced.

Professional Selection and Installation

To fully utilize the potential of this housing, installation by a workshop experienced in servicing BMW Z4 E89 is recommended. During installation, it is worth paying attention to:

• thorough cleaning of the contact surfaces with the bracket and steering knuckle,
• checking the condition of the guides, seals, and brake pads,
• correct positioning of the brake line and mounting elements,
• final bleeding of the system and verification of braking effectiveness on a diagnostic stand.

This approach helps to reduce the risk of noise, uneven braking, or accelerated pad wear, while ensuring stable operation of the rear right side of the braking system.

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other parts from the same group, such as brackets, mounts, or additional holders, check the available parts in the BMW Brake Calipers and Brackets category.

Safe Choice of Used Brake Components

When purchasing used braking system components, it is crucial to pay attention to their origin, compatibility with the specific model, and technical condition. A properly selected right rear caliper housing for the BMW Z4 E89 allows for a balance between repair cost and operational safety.

If you want to streamline the process of selecting used brake components and learn practical tips on assessing their condition, it is worth reading the guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?. This will help you make a more informed decision when choosing a caliper housing and other system parts.