BMW X5 Series E53 Rear Left N/S Brake Caliper Housing Carrier 537 42/12

BMW X5 Series E53 Rear Left N/S Brake Caliper Housing Carrier is an original brake system component designed for installation on the rear left axle of the BMW X5 E53 model. This used caliper from the Brake Calipers and Carriers category allows for a technically correct repair of the braking system while maintaining the factory design. It is a solution for users who expect a robust part with proven mounting geometry and compatibility with the factory system.

Specifications and technical data

• SKU: 6768443
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6768443
• Substitutable numbers: 34216768443, 6768443, 34211166235, 1166235, 34216768438, 6768438, 34211166239, 1166239, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper is dedicated to operation on the rear left axle of the vehicle, responsible for evenly pressing the brake pads against the brake disc. A properly functioning caliper stabilizes braking force, supports the operation of safety systems, and reduces the risk of the car pulling to one side during emergency braking. Thanks to maintaining the original design, it ensures proper pad guidance, an appropriate contact surface, and correct cooperation with other system components.

Benefits of using an original BMW caliper

Using an original caliper in a BMW X5 E53 translates into a number of practical advantages:

• factory fitment to the hub, carrier, and brake disc of the specific model,
• maintenance of the rear axle braking characteristics intended by the manufacturer,
• consistency with factory brake lines and mounts,
• reduction of the risk of installation problems resulting from dimensional differences in aftermarket replacements.

For the user, this means more predictable vehicle behavior during braking and easier service work, without the need to modify mounts or lines.

Used condition and installation aspects

The item is offered in used condition, which allows for an economical repair of the braking system while retaining an original BMW part. Before installation, standard service maintenance is recommended, including inspection of working surfaces, guide pins, and seals, as well as verification of the piston's operation. A properly prepared caliper can easily work with new discs and pads, ensuring stable rear axle braking force.

Selection, compatibility, and reference numbers

This caliper model has OEM markings and interchangeable numbers that facilitate clear identification of the part in BMW catalogs and selection systems. This allows a mechanic or technical advisor to quickly verify compatibility with a specific version of the BMW X5 E53, taking into account the type of braking system used at the factory. When selecting, it is worth using the OEM part number and reference numbers to avoid mistakes between axle variants, mounting sides, or engine versions.

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 calipers, carriers, or line mounts, check the available parts in the BMW Brake Calipers and Carriers category.

Safe purchase of a used brake caliper

When choosing a used caliper, it is worth paying attention to several key aspects: the condition of the working surfaces, the absence of excessive corrosion in the guide area, the tightness of the piston, and the overall completeness of the element. It is also good practice to replace the brake fluid after major interference with the system and to thoroughly bleed the entire rear axle circuit.

To better prepare for the purchase and installation of used braking system components, you can use the practical tips included in the article "Second-hand braking system: how to safely select discs, calipers, and ABS?", where you will find a detailed checklist for selecting and verifying such components.

If you are also interested in the economic and environmental aspect of using used parts, it is worth reading the material "Eco-driving: discover the benefits of used car parts", which discusses the advantages of recycling automotive components in daily vehicle operation.