BMW F20 F21 F31 Roof Antenna Empty Housing Aerial Imperial Blau Blue 9253073

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW F20 F21 F31 Roof Antenna Empty Housing Aerial Imperial Blau Blue is an original body component from the Car antennas group, designed for installation in the rear part of the roof. The paint in the Imperial Blue Metallic - A89 shade allows for maintaining color consistency with the factory BMW body finish and aesthetically restoring the roof line after repair or replacement of a damaged cover.

Specifications and technical data

• SKU: 2218150-IBB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2218150
• Substitutable numbers: 65202218150, 2218150, 9253073, KD
• Location on the vehicle: Rear
• Color: Imperial Blue Metallic - A89
• Category: Antennas

Purpose and function of the component

The roof antenna housing cover is responsible for protecting the antenna module from external factors and for the proper routing of the radio signal and onboard systems equipped in selected versions of the BMW F-series. Installation in the rear part of the roof ensures optimal antenna performance while maintaining the characteristic body line of the F20, F21, and F31 models.

This component is particularly useful for post-accident repairs, replacing a damaged roof "fin," or for visual body correction when the existing cover is scratched or faded. Thanks to the use of factory paint, it is possible to limit the scope of painting work to the absolute minimum.

Color and paint matching

The finish in Imperial Blue Metallic - A89 is characteristic of many BMW configurations and allows for maintaining a consistent look for the entire roof. The metallic structure of the paint ensures appropriate color depth and correct light reflection, which is important when joining the component with adjacent body panels.

Choosing a cover in this specific shade facilitates:

• reducing color differences between the roof and the antenna housing,
• maintaining the factory visual character of the car,
• speeding up the body repair process without the need for full roof painting.

Placement on the vehicle and assembly aspects

The cover is designed for installation in the rear part of the roof, which requires precise fitting with the bodywork contours. A properly selected component from the Car antennas group allows for maintaining the tightness of the connection with the roof skin and stable mounting of the antenna module inside the housing.

When replacing, it is worth paying attention to:

• thorough cleaning of the contact surface with the roof,
• checking the condition of the antenna seals and mounts,
• correct routing of signal cables under the housing.

Such an approach minimizes the risk of leaks and interference in the operation of systems that use the antenna signal.

Characteristics of the used product

The component comes from the secondary market, which allows for economical repair while maintaining the original geometry and fit to the BMW roof. A used roof antenna housing is a good solution in situations where the priority is compliance with the factory shape and color, while simultaneously controlling repair costs.

Choosing an original, used cover from the same model series reduces the risk of assembly problems typical of aftermarket parts with a universal design. This makes it easier to maintain proper fit with the roof line and avoid unwanted gaps or stresses in the bodywork.

Integration with other BMW components

The roof antenna cover is a visible body element, which is why its condition and color have a direct impact on the visual perception of the entire car. In combination with other roof panels and the rear part of the body, it creates a coherent composition, which is especially important in dark, metallic paints where shade differences are easily noticeable.

If you are planning a comprehensive repair or modernization of the upper body zone in your BMW and need other components from the same group, such as additional housings, covers, or antenna modules, check the available parts in the BMW Car antennas category.

Tips for purchasing used body components

When choosing a used roof antenna housing, it is worth paying attention to the condition of the paint surface, any traces of previous repairs, and the overall geometry of the component. A good practice is to compare the paint shade with the vehicle's color code and assess whether potential minor signs of wear are acceptable in the context of the overall condition of the roof.

If you are interested in the broader context of using secondary market parts and want to better understand how to optimally combine savings with maintaining the car's style, our blog article may be helpful: Used car parts for Mini Cooper – a way for style and savings. Although it concerns a different brand, it well illustrates the approach to the conscious choice of used body and equipment components.