BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740

BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 is an original component from the Electronic control modules and controllers group, designed for factory-fitted telephony and connectivity systems in selected BMW models. It enables stable integration of Bluetooth functionality with the vehicle's electrical system, ensuring convenient management of calls and communication via the onboard system.

Specifications and technical data

• SKU: 9229740
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9229740
• Substitutable numbers: 84109229740, 9229740, 84109224674, 84109187625, 84109147519, 84109178898, 84109149843, 84109207360, 84109163229, 84109181391, 84109223190, 84109200822, 84109172420, 9224674
• Category: ECUs & Computer Modules

Purpose and function of the MULF2 module

The presented MULF2 Bluetooth controller is a multimedia system component responsible for handling wireless communication in BMW E-series vehicles. The module works with the factory audio and telephone installation, allowing for phone integration with the vehicle, call management via the multifunction steering wheel or the central unit, and the use of hands-free features in accordance with the car's configuration.

As part of the original BMW system, the controller is designed to maintain consistency with the vehicle's electrical architecture, which translates into predictable operation and a reduction in compatibility issues typical of universal solutions.

Advantages of using an original BMW module

Using an original MULF2 module to replace a damaged or faulty unit allows for the restoration of full factory Bluetooth system functionality without the need for installation modifications. Key benefits include:

• Integration with factory electronics – the module works with the existing wiring harness, controllers, and the vehicle's user interface.
• Functional consistency – maintaining the original system logic, notifications, and operation from within the car.
• Ability to utilize existing equipment, such as the microphone, steering wheel buttons, or control panel.

This makes the solution particularly beneficial for users who want to keep the vehicle in a configuration close to the factory state, without installing additional external devices.

Compatibility and interchangeable part numbers

The MULF2 module belongs to the Electronic control modules and controllers group and has a dedicated OEM part number and a set of interchangeable numbers, which facilitates the selection of the correct controller for a specific vehicle configuration. The presence of multiple reference numbers allows this component to be used as a replacement for various versions of Bluetooth modules used in BMWs, provided it is compatible with the installation and equipment of the given vehicle.

Before purchasing, it is recommended to compare the markings with the currently installed controller or seek professional assistance to confirm compatibility with the specific car model and year.

Product characteristics and condition

The offered MULF2 controller is an original BMW component from the Electronic control modules and controllers category. The product is in used condition, meaning it has been removed from a vehicle and was previously in operation. This type of solution is often chosen as an economical alternative to new components while maintaining the manufacturer's original specifications.

Due to the nature of automotive electronics, installation by a person with experience in working with BMW systems is recommended, taking into account the potential need for coding or adaptation in the vehicle, in accordance with service procedures.

How to safely choose a used electronic module

When selecting a used Bluetooth controller, it is crucial to pay attention to the compatibility of the OEM part number and interchangeable numbers, as well as the type of multimedia system used in the vehicle. It is also worth checking whether the given car model used the MULF2 module from the factory, which minimizes the risk of communication issues within the vehicle's bus.

If you want to better understand when choosing a used controller or comfort module is justified and how to assess the cost-effectiveness of such a solution, check out our guide: The second life of electronics – when is it worth choosing used controllers and 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, light controllers, or multimedia system controllers, check out the available parts in the BMW electronic control modules and controllers category.