BMW X3 E83 Roof Aerial Cover Casing Shark Fin Antenna Montego Blue Metallic A51

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW X3 E83 Roof Aerial Cover Casing Shark Fin Antenna Montego Blue Metallic A51 is an original body component from the Car antennas group, designed for installation at the rear of the roof. The characteristic "shark fin" shape and Montegoblau Metallic - A51 paint finish ensure a consistent body appearance and maintain the factory styling line of the BMW.

Specifications and technical data

• SKU: 2147431-MTB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2147431
• Substitutable numbers: 2147431, 65202147431, 0303335, 65200303335, 3443114
• Location on the vehicle: Rear
• Color: Montegoblau Metallic - A51
• Category: Antennas

Purpose and function of the antenna cover

The shark fin roof antenna cover is responsible for the aesthetic and aerodynamic finish of the rear roof section, while simultaneously protecting the antenna module from external factors. In the BMW X3 E83 model, this component is an integral part of the roof line, which is why its proper fit is important for both visual and functional reasons.

Its placement in the rear zone of the vehicle promotes stable operation of radio and telematics systems, and a properly selected cover limits the risk of moisture and contaminants entering the antenna base.

Color and matching of the Montegoblau Metallic - A51 paint

The presented cover is finished in Montegoblau Metallic - A51, a color characteristic of selected BMW configurations. This makes it possible to maintain the consistency of the paint coating without the need for additional painting, provided the vehicle has the same paint code. This solution is particularly beneficial when replacing a damaged cover after a collision or bodywork repairs.

Selecting a component in the correct color reduces installation time and allows the vehicle to be restored to full visual functionality more quickly, which is important for both private users and workshops specializing in BMW body repairs.

Installation characteristics and application in the rear roof section

The cover is designed for installation in the rear part of the roof, in the location of the factory roof antenna. The "shark fin" design has been engineered to fit tightly against the roof panel, which minimizes air resistance and reduces noise at higher speeds. Proper alignment with the roof line of the BMW X3 E83 facilitates installation and allows for the preservation of the vehicle's factory character.

The component comes from the Car antennas group, making it compatible with the factory antenna system intended for this model, while maintaining the original geometry and mounting points.

Used condition and benefits of choosing OEM parts

The antenna cover is offered in used condition, which provides a favorable compromise between cost and maintaining the original appearance of the vehicle. Choosing an OEM component from disassembly allows you to maintain the stylistic consistency of the body, avoiding differences in paint shade typical of non-factory replacements.

For BMW X3 E83 users, this means the possibility of an economical replacement of a damaged or missing cover while maintaining the factory character of the roof and the correct seating of the antenna module.

Expanding the roof zone and selecting related components

If you are planning a comprehensive repair or upgrade of the roof zone in your BMW and need other components from the same group, such as additional covers, antenna bases, or roof trim elements, check the available parts in the BMW car antennas category.

Support in choosing used parts

When selecting components from the secondary market, it is worth paying attention to color compatibility, suitability for a specific model, and the condition of the paint surface. To better understand the differences between new and used parts, as well as to consciously assess the cost-effectiveness of purchasing an antenna cover from disassembly, read the article Car parts – new or used? We compare costs, quality, and durability, which discusses key financial and quality aspects related to the choice of components.