BMW X3 E83 Roof Aerial Casing Shark Fin Antenna Black Sapphire Metallic - 475

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 E83 Roof Aerial Casing Shark Fin Antenna Black Sapphire Metallic is an original, used shark fin roof aerial casing designed for installation in the BMW X3 E83 model. The component in Black Sapphire Metallic - 475 allows for an aesthetic and technically correct replacement of a damaged or worn casing, while maintaining a consistent vehicle body appearance.

Specifications and technical data

• SKU: 2147431-BS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2147431
• Substitutable numbers: 65202147431, 2147431, 65200303335, 0303335, 3411451
• Color: Black Sapphire Metallic - 475
• Category: Antennas

Purpose and function of the aerial casing

The presented casing belongs to the Car antennas category and serves as an external cover for the aerial module on the roof of the BMW X3 E83. The "shark fin" shape ensures optimized airflow around the bodywork while protecting the internal aerial components from weather conditions and dirt.

Using a dedicated casing for a specific BMW model reduces the risk of leaks, poor fitment, or signal interference that may occur when using universal replacements.

Color and body matching

The finish in Black Sapphire Metallic - 475 allows for a visual match to the factory BMW paint in this color. As a result, after replacing the casing, the consistent stylistic line of the roof is maintained without the need for additional painting of the component.

Selecting the correct color is particularly important in the upper part of the body, where the aerial casing remains highly visible – proper matching affects the overall aesthetics of the vehicle and the perceived value of the car on the secondary market.

Technical characteristics and installation

The aerial casing has been designed as a component dedicated to the BMW X3 E83, which facilitates installation in the location provided by the manufacturer. The design allows for integration with the existing aerial module without the need for interference with the vehicle's electrical system.

The used nature of the part means that the component comes from dismantling, which in practice allows for maintaining the original fitment and geometry parameters. Proper alignment with the roof surface reduces the risk of moisture ingress under the casing and minimizes aerodynamic noise while driving.

Use of a used OEM part

Choosing a used OEM aerial casing is a cost-effective solution while maintaining compliance with BMW factory standards. An original component from the same production series as other body components ensures visual and technical consistency, which is important both for daily use and for the potential resale of the vehicle.

If you want to better understand how to optimize service costs while maintaining quality, it is worth checking out the guide on our blog: Rising repair costs and the boom in used parts – how to save on car service?

Expansion of upgrades in the aerial area

If you are planning a comprehensive repair or upgrade of the roof area in your BMW and need other components from the same group, such as additional casings, bases, or aerial modules, check out the available parts in the BMW car antennas category.