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 braking system component designed for installation on the rear axle on the driver's side. As a BMW part from the M sports model range, it ensures a precise fit with the hub, disc, and pads, as well as proper integration with the factory ABS and stability control systems. This makes it a solid foundation for restoring full braking performance in demanding road and track conditions.

Specifications and technical data

• SKU: 8046261-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8046261
• Substitutable numbers: 34218046261, 8046261, 33302284795, 2284795, 34208053265, 8053265, 34212284811, 2284811, 33322284533, 2284533
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and compatibility with BMW M models

The presented caliper has been designed specifically for the BMW F87 M2, F80 LCI M3, and F82 M4 models, meaning its geometry, mounting points, and operating range are tailored to the characteristics of these designs. The placement on the vehicle is the rear axle on the left side, allowing this component to be used both for a standard replacement of a worn caliper and for rebuilding the complete rear axle braking system.

Its original BMW origin helps maintain factory braking parameters, uniform pad pressure against the disc, and stable operation under the high thermal loads typical of powerful M-series engines.

Technical and functional characteristics

The rear left brake caliper is responsible for the precise distribution of braking force on one of the key wheels of the drive axle. The design intended for BMW M sports models ensures:

• stable pad pressure against the disc during intensive braking,
• adequate caliper body stiffness, reducing deflection under load,
• compatibility with factory brake lines and steering knuckle mounts,
• compatibility with stock discs and pads intended for the specific version.

This maintains the consistency of the entire braking system, which is important for both safety and performance repeatability during dynamic driving.

Condition, origin, and benefits of choosing used parts

The item is offered as a used part, which allows for a significant reduction in repair costs compared to purchasing a new component while maintaining the manufacturer's original specifications. Choosing an original caliper from dismantling is particularly beneficial for M models, where precision of workmanship and compliance with factory parameters have a direct impact on braking efficiency.

A used BMW brake caliper can be a good solution both for a standard replacement of a damaged element and for rebuilding the entire rear braking axle, especially when you want to maintain the factory operating characteristics of the system.

Integration with the suspension system and rear axle zone

Although the product is classified in the Suspension replacement kits group, in practice, it plays a key role in the rear axle area, where the braking system works in conjunction with the suspension, stability systems, and drivetrain. A correctly selected caliper affects:

• even distribution of braking forces between the left and right sides,
• vehicle stability during cornering under braking,
• proper cooperation with the electronics controlling the chassis system.

As a result, replacing a worn or damaged caliper with an original BMW part helps restore predictable vehicle behavior in emergency situations and during dynamic driving.

Modernization expansion and related elements

If you are planning a comprehensive repair or modernization of the rear axle zone in your BMW and need other elements from the same group, such as control arms, bushings, or complete mounting modules, check the available parts in the BMW suspension replacement kits category.

When selecting used parts for premium class cars, it is worth knowing the broader context of using original parts from dismantling – you can find more on this topic in the article Used parts for Mercedes – original parts from dismantling, which discusses the advantages of such a solution also in relation to premium segment brands.