Brake Caliper BMW G20 G21 M Sport Rear Right O/S Brake Housing Red 44/345/24

Brake Caliper BMW G20 G21 M Sport Rear Right O/S Brake Housing Red in a red finish is an original brake system component designed for the rear right side of the vehicle. Thanks to its sporty M Sport styling and precise OEM construction, it ensures stable pad guidance, repeatable braking force, and a consistent look with the factory brake package. This is the solution for users who want to maintain factory braking parameters while keeping the visual consistency of the entire set.

Specifications and technical data

• SKU: 6890758
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6890758
• Substitutable numbers: 6890758, 34206890758
• Location on the vehicle: Rear, Right
• Color: Red
• Category: Calipers & Brackets

Purpose and fitment for BMW G20 / G21 M Sport

The presented caliper is dedicated to the rear axle on the right side in BMW 3 Series G20 / G21 models with the M Sport package. The design has been engineered for the factory brake system of these versions, which allows for maintaining proper geometry, even pad pressure, and correct operation with the disc and hydraulic system.

The placement on the vehicle is clearly defined as rear – right side, which facilitates the selection of the correct component when replacing a single caliper or repairing after mechanical damage.

Construction, color, and operating characteristics

The caliper belongs to the Brake Calipers and Carriers category, which means it is responsible for stable pad guidance relative to the disc and transferring force from the hydraulic system to the friction element. The red finish emphasizes the sporty character of the M package, while also improving the visual clarity of the caliper behind the rim.

The red color serves both an aesthetic and practical function – it is easier to assess potential dirt or leaks, and the whole unit integrates better with other brake system components in M Sport versions.

Condition, origin, and benefits of choosing OEM parts

The item comes from the BMW line and is an OEM class part, which translates into compliance with the manufacturer's factory standards regarding mounting dimensions, operating characteristics, and compatibility with other brake system components. The condition described as used means that the caliper was previously in operation but retains functionality allowing for further use after proper installation and potential preparatory service.

Choosing an original caliper instead of a replacement reduces the risk of fitment issues, minimizes the need for modifications, and allows for maintaining braking parameters close to factory specifications, which is particularly important in cars with sporty characteristics.

Practical installation tips and safety

When replacing the rear right caliper in a BMW G20 / G21 M Sport, it is worth paying attention to:

• checking the condition of the brake discs and pads working with the caliper,
• inspecting the brake line and mounting points of the carriers,
• proper bleeding of the system after installation,
• maintaining the correct tightening torque for the mounting bolts.

For users who want to take a conscious approach to purchasing a used brake system component, a guide describing the verification and selection process for such parts will be helpful – detailed tips can be found in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?.

BMW brake system expansion – related components

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

Thanks to this, you can select a consistent set of components in one place, maintaining a uniform technical and aesthetic specification of the entire brake system in your vehicle.