BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module

BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module is an original component from the Electronic control modules and controllers group, designed for integrating USB functionality in selected BMW 1 and 3 Series models. It enables stable communication between the vehicle's electrical system and the USB port, ensuring proper support for data storage media and external devices.

Specifications and technical data

• SKU: 9123739
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9123739
• Category: ECUs & Computer Modules

Module purpose and function

The presented USB controller is designed for BMW vehicles from the E81, E87, E90, and E92 series, where it serves as a dedicated module responsible for handling the USB interface. As a component of the multimedia system, it is responsible for correct data exchange, communication with the head unit, and stable power supply to connected devices.

Thanks to its factory design, the module works with the vehicle's electrical system as intended by the manufacturer, which helps maintain system consistency and reduces the risk of communication errors in the vehicle's bus.

Benefits of using an original USB controller

Using an original USB control module in BMW E81, E87, E90, and E92 series allows for maintaining compatibility with the factory electronics architecture. In practice, this means:

• reliable cooperation with the factory multimedia system and electrical installation,
• preservation of the manufacturer-intended data storage support functions,
• reduction of compatibility issues compared to universal solutions,
• easier diagnostics in case of potential audio or USB system malfunctions.

As an element from the Electronic control modules and controllers group, the USB controller is a vital link in the communication chain between the user and the onboard system, contributing to the comfort of daily vehicle operation.

Characteristics and installation

The module is intended for installation in the vehicle according to the manufacturer's factory diagram. Its design allows for integration with the existing wiring harness and multimedia system components without the need for interfering with the vehicle's original architecture.

Due to the specifics of automotive electronics, installation by a person with experience in working with BMW control systems is recommended, which facilitates proper configuration and subsequent diagnostics. This approach helps maintain the stability of the entire system.

Product condition and practical application

The offered module comes from the secondary market, which is an attractive solution for users looking for a factory component on a reasonable budget. A used USB controller can be an effective way to restore the efficiency of an existing installation or to replace a missing component in the vehicle.

In practice, it will work well both when replacing a damaged module and during work related to restoring the original equipment configuration in BMW E81, E87, E90, and E92 series, where the consistency of the applied electronic solutions is important.

More about used automotive electronics

If you want to better understand when choosing a used controller or module is justified and how to approach selecting such components in modern cars, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Related BMW control modules

If you are planning a comprehensive repair or upgrade of the onboard electronics in your BMW and need other components from the same group, such as comfort modules, multimedia system controllers, or other management units, check out the available parts in the BMW electronic control modules and controllers category.