Description
The BMW I4 G26 Roof Antenna Amplifier Module is a precisely engineered component for the radio signal and data reception system in modern BMW vehicles. It is responsible for stable amplification of the signal from the roof antenna, which translates to more reliable operation of multimedia and communication systems. Being an original BMW part, the module ensures high compatibility with the electrical system and body architecture of the I4 G26 model.
Specifications and technical data
- SKU: 9825130
- Mark: BMW (Genuine OE)
- Condition: New
- OEM Part Number: 9825130
- Substitutable numbers: 9825130, 65209825130
- Category: Antennas
Module Purpose and Function
The presented module belongs to the Car Antennas category and is responsible for amplifying the signal received by the roof antenna in the BMW I4 G26. Its task is to stabilize the radio signal level and data signals, which reduces interference and improves reception quality in various road and urban conditions.
The component works in conjunction with the vehicle’s original installation, thus maintaining the integrity of the infotainment system and communication systems. A properly selected amplifier module helps avoid problems with signal fading, noise, or unstable receiver operation.
Benefits of Using an Original BMW Module
Using an original amplifier module in the BMW I4 G26 offers a range of practical technical benefits:
- maintaining full compatibility with the wiring harness and body architecture,
- proper cooperation with factory multimedia systems,
- minimized risk of electromagnetic interference within the vehicle,
- stable reception of radio and data signals under various operating conditions.
This makes the module a safe and predictable service solution for repairs or upgrades of the antenna system in the BMW I4 G26.
Professional Installation and Fitment
The roof antenna amplifier module has been developed for direct application in the G26 body, facilitating its integration with existing mounting points and installation connectors. In practice, this means reduced installation modifications and the possibility of maintaining the original wiring routing.
When replacing, it is recommended to check the condition of connectors, coaxial cables, and the seal around the roof antenna to fully utilize the potential of the new module. This service approach helps maintain stable operation of the entire antenna path in the long term.
Part Selection and Quality Aspects
For components in the Car Antennas category, precise fitment to the specific vehicle model and generation is crucial. The original amplifier module designed for the BMW I4 G26 has been engineered considering the specific body characteristics, antenna placement, and electrical requirements, which distinguishes it from universal replacements.
If you are considering whether a brand-new or used part would be better for your antenna system, a helpful guide can be found on our blog: Car Parts – New or Used? Comparing Costs, Quality, and Durability. There you will find practical tips on selecting components in terms of durability, cost-effectiveness, and safety.
Expanding the BMW Antenna System
If you are planning a comprehensive repair or upgrade of the roof area and antenna system in your BMW and need other parts from the same category, such as antenna bases, antenna masts, or additional amplifier modules, check the available parts in the BMW Car Antennas category.






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