Brake Caliper BMW G20 G21 M Sport Rear Left N/S Brake Housing Red 44/345/24

Brake Caliper BMW G20 G21 M Sport Rear Left N/S Brake Housing Red is an original brake system component designed for the rear axle on the driver's side. Thanks to its M sport styling and distinctive red finish, this Brake Caliper BMW G20 G21 M Sport Rear Left N/S Brake Housing Red combines technical functionality with an attractive appearance, improving both braking performance and vehicle aesthetics.

Specifications and technical data

• SKU: 6890757
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6890757
• Substitutable numbers: 6890757, 34206890757
• Location on the vehicle: Rear, Left
• Color: Red
• Category: Calipers & Brackets

Purpose and function in the brake system

The presented Brake Caliper BMW G20 G21 M Sport Rear Left N/S Brake Housing Red has been designed to operate in the rear axle brake system on the left side. It is responsible for precisely pressing the brake pads against the disc, stabilizing braking force, and supporting even distribution of braking torque between the wheels. The construction dedicated to the M Sport version ensures appropriate body rigidity and predictable operating characteristics during intensive use.

Construction, color, and visual characteristics

The caliper body is manufactured as a solid component mounted in the rear zone, on the left side of the vehicle. The red finish gives it a distinctly sporty character, which complements the M package and open-style rims well. This color also facilitates visual inspection of the external condition of the caliper during service checks.

The component belongs to the Brake calipers and brackets group, which means it is designed to work with the appropriate brake discs and pads in the factory BMW system. The used nature of the part allows for an economical restoration of full brake system functionality while maintaining the manufacturer's original specifications.

Benefits of using an original BMW caliper

Using an original BMW M Sport brake caliper provides a number of practical benefits:

• maintaining the factory braking characteristics of the rear axle,
• proper fitment to the mounts and brackets in the G20/G21 body,
• visual consistency with other M package elements,
• possibility of direct installation in place of a worn or damaged caliper.

Thanks to this solution, it is possible to restore the operating parameters of the brake system in a controlled manner, without the need for system modifications or interference with the suspension structure.

Condition, selection, and safety of use

The component comes from the used original parts segment, which allows for a favorable cost-to-quality ratio. Before installation, a standard service procedure is recommended: inspection of working surfaces, brake fluid supply lines, and the cooperating pads and discs. Proper selection of the caliper for a specific BMW G20 or G21 version should take into account the brake system configuration and the mounting side.

If you want to deepen your knowledge on the safe selection of brake components from the secondary market, it is worth using the advice contained in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?. This is a practical checklist that facilitates the assessment of the condition and suitability of used components.

Expanding your BMW brake system upgrade

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 holders, check out the available parts in the BMW brake calipers and brackets category.