Brake Disc Plate BMW F90 M5 Rear Right O/S Brake Protection Plate Cover 7991046

BMW X3 E83 Shield Plate Right Rear Brake Disc Shield is a precisely fitted protective element for the braking system, designed for installation on the rear right side of the vehicle. As part of the Brake Discs group, the shield stabilizes the disc's operating conditions, limiting the impact of dirt and moisture. A used OEM component is a sensible choice for servicing the brakes on a BMW X3 E83 when you prioritize factory fit and predictable system behavior.

Specifications and technical data

• SKU: 7991046
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7991046
• Substitutable numbers: 7991046, 34217991046, KD
• Location on the vehicle: Rear, Right
• Category: Brake Disc Rotors

Purpose and Function of the Disc Shield

The rear right brake disc shield plate for the BMW X3 E83 operates directly in the braking zone, in proximity to the disc and caliper. Its tasks include:

• limiting the ingress of mud, stones, and other contaminants to the disc's working surface,
• stabilizing airflow around the disc during braking,
• protecting suspension components and the wheel arch from friction dust from the pads,
• aiding in maintaining consistent operating conditions for the braking system on the rear axle.

Thanks to proper shielding of the brake disc, the cover helps maintain repeatable braking performance and reduces the risk of accelerated wear of friction components.

Fitment for BMW X3 E83 – Rear Right Axle

The presented shield is specifically designed for use on the rear right side of the BMW X3 E83. This means that:

• the geometry of the plate conforms to the factory profile of the hub carrier and disc,
• mounting points correspond to original mounting holes,
• the correct distance from the disc is maintained, minimizing the risk of rubbing.

Such a precise fit facilitates installation and allows for the preservation of the braking system's original operating characteristics, without the need for modifications or adjustments of a universal part.

Characteristics of a Used OEM Component

The shield comes from the BMW OEM parts group, which translates to factory dimensional conformity with the X3 E83 braking system. A used component is a practical solution for vehicle servicing when preserving the original design and a reasonable repair cost are priorities.

Compared to aftermarket alternatives, an OEM part ensures:

• consistency with the braking system's factory design,
• predictable fit with the disc, caliper, and hub,
• preservation of the shield's original geometry within the wheel arch.

Importance for Safety and Durability of the Braking System

A correctly selected rear right brake disc shield plate for the BMW X3 E83 directly impacts the stability of the brake disc's operation under challenging road conditions. Limiting the disc's contact with water, salt, and small stones:

• reduces the risk of localized corrosion on the working surface,
• helps maintain even pad wear,
• reduces the possibility of mechanical damage to the disc from foreign objects.

For the user, this means more predictable braking and less frequent replacement of friction components on the rear of the vehicle.

Comprehensive Service for the BMW Braking Zone

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other parts from the same group, such as discs, pads, or brake lines, check the available parts in the BMW Brake Discs category.

When selecting used braking system components – including shields, discs, or calipers – it is advisable to follow proven procedures for assessing their technical condition. Detailed tips on what to look for when purchasing such components can be found in the article: Second-hand Braking System: How to Safely Choose Discs, Calipers, and ABS?.