BMW E46 M3 Petrol S54 Brake Caliper Rear Left N/S Caliper Housing 2282195

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E46 M3 Petrol S54 Brake Caliper Rear Left N/S Caliper Housing is an original brake system component designed for the rear axle, on the driver's side. Thanks to its factory BMW design, it ensures precise fitment to the hub and carrier, stable piston operation, and proper brake pad guidance. This is a practical solution for users looking for a used, yet fully functional component for their E46 M3.

Specifications and technical data

• SKU: 2282195
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2282195
• Substitutable numbers: 2282195, 34212282195
• Location on the vehicle: Rear, Left
• Fuel type: Petrol
• Category: Calipers & Brackets

Purpose and compatibility

The presented caliper has been designed specifically for the BMW E46 M3 with the S54 petrol engine, taking into account the characteristics of this model's sports braking system. The placement on the vehicle is the rear, left side, which is important both when selecting parts and during subsequent installation and system bleeding.

Thanks to the use of original mounting geometry, the caliper works with the factory carrier, disc, and pads intended for the M3 version, maintaining the correct working position relative to the brake disc. This is important for even pad wear and braking force stability on the rear axle.

Construction and function in the braking system

The rear left brake caliper in the E46 M3 is responsible for transferring hydraulic pressure from the brake master cylinder to the pads, which press against the disc to generate braking force. The caliper housing has been designed to provide adequate rigidity, temperature resistance, and repeatability of piston operation during intensive use.

Key tasks of this element include:

• keeping the pads aligned with the disc and guiding them stably during braking,
• ensuring proper piston retraction after releasing the brake pedal,
• maintaining the tightness of the hydraulic system in the area of the rear left hub,
• cooperation with vehicle safety systems, such as ABS or traction control, by evenly distributing braking force on the axle.

As a result, the caliper supports predictable vehicle behavior during braking, which is particularly important in a car with sports characteristics like the M3.

Condition, origin, and practical application

The item comes from the Brake Calipers and Brackets group and is offered as a used part, which is a cost-effective solution for drivers looking for original components at a reasonable price. A used BMW brake caliper allows you to maintain the structural consistency of the system while reducing the costs of repair or modernization of the rear axle.

Before installation, standard service procedures are recommended, such as checking the condition of working surfaces, guides, seals, and bleeding the system after installation. A properly prepared caliper can successfully work in daily operation as well as in more dynamic driving conditions typical for the E46 M3.

Benefits of choosing an original BMW caliper

By choosing this rear left brake caliper for the BMW E46 M3, you primarily gain factory fitment to the suspension and hub design, which facilitates installation and minimizes the risk of issues with brake system geometry. The original housing provides adequate rigidity, and the BMW design is adapted to the loads generated by the S54 engine and the weight distribution characteristics of this model.

For users who plan further vehicle operation or are preparing it for track use, using an original caliper on the rear left axle is a reasonable base for further modifications, such as selecting pads with higher thermal resistance or braided steel brake lines.

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

Safe selection of a used brake caliper

When choosing a used caliper for the BMW E46 M3, it is worth paying attention to compatibility with the engine version, placement on the vehicle, and the condition of working elements. It may be helpful to use practical tips on verifying brake system components before purchase – especially in the case of elements such as calipers, discs, or ABS modules.

To better prepare for assessing the condition and fitment of used brake components, read the guide: Second-hand brake system: how to safely select discs, calipers, and ABS?

If you want to additionally ensure longer operation of the installed components, the material on maintaining dismantled parts may also be helpful: How to extend the life of used car parts?