BMW F87 M2 F80 LCI M3 F82 M4 Rear Left N/S Brake Caliper 8046261

BMW F87 M2 F80 LCI M3 F82 M4 Rear Left N/S Brake Caliper is an original BMW braking system component, designed for installation on the rear left axle of M-series sports models. Thanks to its factory design, it ensures proper braking characteristics, vehicle stability, and consistency with other system components. This is a solution for users who expect precise brake performance and the preservation of the car's factory parameters.

Specifications and technical data

• SKU: 8046261-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8046261
• Substitutable numbers: 34218046261, 8046261
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and compatibility with BMW M models

The presented caliper has been designed for the demanding BMW F87 M2, F80 LCI M3, and F82 M4 versions, where the braking system operates under higher loads than in standard variants. Mounting it on the rear left side of the vehicle allows for maintaining the factory brake force distribution, which translates into predictable vehicle behavior during intensive braking, even at higher speeds.

Thanks to a design consistent with BMW factory standards, the caliper works with properly selected brake discs and pads, ensuring stable pressure in the circuit and uniform pressure of the pads against the disc. This is particularly important in high-power cars, where the braking system is a key element of safety and vehicle control.

Construction and operating characteristics of the caliper

The caliper belongs to the Brake calipers and carriers group, responsible for converting hydraulic pressure into the force pressing the pads against the disc. The design intended for the rear axle ensures appropriately selected braking force so that the rear of the vehicle does not lock up before the front axle, which reduces the risk of losing stability.

The solution used in this caliper model allows for:

• maintaining uniform wear of brake pads on both sides of the disc,
• consistent cooperation with assistance systems (ABS, stability control),
• appropriate body rigidity, which limits deflection under high system pressure.

As a result, the driver receives a repeatable, predictable brake pedal response, which is especially important during dynamic driving and repeated, heavy braking.

Benefits of using an original, used caliper

Choosing an original BMW caliper from the secondary market is a reasonable compromise between cost and quality. A component sourced from dismantling retains the factory geometry, mounting points, and operating parameters provided by the manufacturer, which facilitates installation and minimizes the risk of fitment issues.

A used brake caliper can be an attractive alternative to new replacements, especially in the case of M models, where new OEM parts are expensive. With proper verification of the technical condition and potential maintenance (e.g., replacing seals), such a component allows for significantly reducing repair costs while maintaining the factory character of the braking system.

If you want to better understand why original, used calipers are a safe choice and how to approach their purchase consciously, it is worth reading the article: Brake calipers under the microscope: how to effectively reduce braking system repair costs by choosing proven recycled parts.

Mounting zone – rear, left side of the vehicle

The discussed caliper is intended for installation on the rear, left side of the vehicle. Proper placement is important not only due to the geometry of the mounts but also for the routing of brake lines, the way cables are guided, and cooperation with other system elements.

When selecting parts, it is worth paying attention to:

• compatibility of the mounting side (left/right) with the suspension design of the given model,
• the type of discs and pads used to maintain the consistency of the entire system,
• the planned way of using the car (daily driving, track, mixed).

A properly selected caliper on the rear axle supports vehicle stability during cornering braking, reducing the tendency for oversteer and improving control over the car.

Expanding the BMW braking system – related elements

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, brackets, or mounting carriers, check the available parts in the BMW Brake calipers and carriers category.

For drivers who want to optimize service costs more broadly while maintaining high quality, the guide on the cost-effectiveness of used parts may also be helpful: rising repair costs and the boom in used parts – how to save on car service.

Summary

BMW F87 M2 F80 LCI M3 F82 M4 Rear Left N/S Brake Caliper is a factory braking system component, dedicated to demanding M-series models. It offers a perfect fit for the suspension and braking system design of BMW, predictable operating characteristics, and the possibility of economical repair while maintaining the manufacturer's original technical solutions.