BMW 2 X1 Series F45 F48 Radio Antenna Amplifier Suppression Filter 9289587

The BMW F45 F48 Antenna Amplifier Filter is an original antenna system component designed for BMW F-series models, responsible for stable radio signal amplification and filtering. Thanks to its factory OEM design, it ensures compatibility with the factory electrical system and predictable operating parameters. A used component allows for an economical yet technically correct repair of the antenna system in your BMW.

Specifications and technical data

• SKU: 9289587
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9289587
• Substitutable numbers: 65209289587, 9289587, AS
• Category: Other Starters, Alternators, ECUs & Wiring

Antenna Amplifier Purpose and Function

The BMW F45 F48 Antenna Amplifier Filter operates within the antenna path, where it is responsible for signal amplification and selective filtering. A correctly selected module of this type:

• stabilizes radio wave reception in varying road conditions,
• reduces interference originating from the vehicle's electrical system,
• supports the proper functioning of the factory BMW multimedia system,
• maintains compliance with parameters specified by the vehicle manufacturer.

This ensures the antenna system retains repeatable electrical characteristics, contributing to the comfort of daily car use.

Original Origin and Replacement Numbers

The component comes from the BMW parts line, meaning it was designed specifically for this brand's electrical architecture. The module has a dedicated OEM part number and assigned replacement numbers, which facilitates selecting the correct amplifier for a specific vehicle configuration. The presence of reference numbers allows for:

• verification of compatibility with a specific body version and equipment,
• replacement of a damaged module with a suitable OEM equivalent,
• minimizing the risk of compatibility issues after installation.

For the user, this means seamless integration with the existing system without the need for wiring or connector modifications.

Condition, Application, and Benefits of Installation

The amplifier is offered as a used part, allowing for a cost-effective restoration of the antenna system's functionality while maintaining original specifications. This type of module is particularly useful when the vehicle exhibits symptoms such as:

• irregular radio station reception,
• decreased tuner sensitivity,
• interference appearing after activating other receivers in the vehicle.

Using an original antenna amplifier helps maintain the factory operating characteristics of the audio system and avoids problems typical of universal replacements.

Integration with BMW System and Part Selection

The module has been developed for the specific F45 and F48 platforms, ensuring compatibility with factory connectors, mounting points, and electrical parameters. When selecting an amplifier, it is advisable to pay attention to:

• compliance of the OEM part number with vehicle documentation,
• presence of appropriate replacement numbers,
• the type of multimedia system used in the car.

This ensures a structured installation process and that the antenna system maintains parameters specified by the BMW manufacturer.

Related Components and Multimedia System Development

If you are planning a comprehensive repair or upgrade of the multimedia area in your BMW and need other components from the same group, such as additional antenna modules, wiring elements, or signal filters, check the available parts in the Other BMW category.

When expanding or servicing multimedia systems, it is also worth exploring the structural differences between sports and standard vehicle versions – these topics are discussed in more detail in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which helps to better understand the impact of OEM components on vehicle performance characteristics.