Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173

Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging is an original BMW electronic communication module designed to integrate the Bluetooth system with the vehicle's factory installation. This component from the Electronic control modules and controllers group allows for the restoration or expansion of connectivity functions in the car, ensuring stable operation with the factory audio system and electrical installation. Thanks to its OEM design, the module is matched to the electrical architecture of BMW E81, E87, and E90 series models.

Specifications and technical data

• SKU: 6975173
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6975173
• Substitutable numbers: 84109226711, 9226711, 84109215184841091287228410916334884109195246, 9215184912872291633489195246, 84109178862841091325398410920082184109221029, 9178862913253992008219221029, 84109204545841091475168410914965684109181378, 92045459147516914965691, 84109111718, 9111718, 84106972678, 6972678, 84106975173, 6975173, 84106965406, 6965406, 84106958369, 6958369, 84106953044, 6953044, 84216946393, 6946393, 84216938943, 6938943, 84216938784, 6938784, 84216937609, 6937609, 84216936332, 6936332, 84216933284, 6933284, 84216933283, 6933283, 842
• Category: ECUs & Computer Modules

Purpose and function of the MULF module

The Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging is responsible for handling wireless communication in BMW cars, integrating the phone with the vehicle's multimedia system. As an OEM component, it works with the car's data bus, allowing control of phone functions via the multifunction steering wheel, radio, or iDrive system (depending on the specific vehicle configuration). This allows the driver to use the hands-free system in accordance with the manufacturer's factory standards.

Benefits of using an original BMW module

Using an original BMW MULF module ensures:

• consistency with the vehicle's factory electrical and logical installation,
• preservation of the original Bluetooth system functionality,
• compatibility with wiring harnesses, connectors, and software provided by the manufacturer,
• the ability to restore the operation of the factory hands-free system after the failure of a previous controller. For users who want to keep their car in a configuration close to the factory state, choosing an original BMW electronic control module is a technically safe and predictable solution in terms of operation.

Technical characteristics and integration with the installation

As an element from the Electronic control modules and controllers group, the MULF module is designed to work in the BMW onboard installation environment, taking into account requirements regarding power supply, bus communication, and resistance to operating conditions in the car. The controller works with other electronic units in the vehicle, creating a coherent data exchange system responsible for comfort and connectivity functions. When replacing the module, it is important to correctly match it to the equipment configuration of the specific car and, if necessary, perform appropriate coding or adaptation procedures in the vehicle. This makes it possible to fully utilize the functions offered by the Bluetooth module within the existing electronic architecture.

Product condition and practical application

The offered module is a used item, which in practice means that it comes from disassembly and was previously used in another vehicle. This type of solution is often chosen for comfort and connectivity system repairs when the priority is to maintain the original vehicle specification at reasonable service costs. The module can be used both as a replacement for a damaged controller and as an element when expanding equipment with Bluetooth functionality within compatible BMW E-series configurations.

Selection of a used module and technical knowledge

When choosing a used Bluetooth controller, it is worth paying attention to compatibility with the OEM part number and available interchangeable numbers to ensure proper cooperation with the vehicle's electronics. For those who want to better understand the specifics of selecting used controllers, comfort modules, and other automotive electronics components, the guide article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? will be helpful, as it discusses the practical aspects of purchasing and installing such components. If you are planning a comprehensive repair or upgrade of the comfort and connectivity electronics area in your BMW and need other elements from the same group, such as communication modules, comfort system controllers, or other equipment management units, check the available parts in the BMW electronic control modules and controllers category.