BMW 5 X5 Series E39 E53 Hands-free Bluetooth Charging Module ULF Unit 6915563

BMW 5 X5 Series E39 E53 Hands-free Bluetooth Charging Module ULF Unit is an original BMW electronic control module designed for factory communication systems in 5 Series E39 and X5 E53 models. This used component from the Electronic control modules and controllers category allows for professional integration of the Bluetooth hands-free function with the vehicle's electrical system, maintaining the factory electronics architecture. It is a solution for users who want to restore full system functionality or perform a solid upgrade of comfort equipment.

Specifications and technical data

• SKU: 6915563
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6915563
• Substitutable numbers: 84216915563, 6915563, BG
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented ULF module is a component of the BMW onboard communication system, responsible for handling hands-free functions based on Bluetooth technology. It works with the factory electrical installation, wiring harness, and cabin control interface, enabling wireless connection between the phone and the car.

As part of the original BMW system, the module has been designed for stable operation in the vehicle environment, maintaining appropriate electromagnetic interference parameters, resistance to voltage fluctuations, and integration with other comfort controllers.

Benefits of using an original BMW module

Using an original module from the Electronic control modules and controllers category ensures:

• factory fitment to the vehicle's electrical installation and network architecture,
• consistent operation with other comfort controllers and onboard systems,
• preservation of the original hands-free system functionality,
• possibility of professional diagnostics using factory BMW service software.

For the user, this means predictable system behavior, no need for wiring modifications, and easier configuration compared to universal solutions. The original control module is particularly recommended for vehicle repairs where maintaining full compliance with factory equipment is a priority.

Application in service practice

The ULF module will prove useful both when replacing a damaged component and when restoring an inactive hands-free function in BMW 5 Series E39 and X5 E53 cars. Thanks to the original design, it is possible to:

• restore the operation of the factory Bluetooth system after a previous controller failure,
• reduce installation time by using existing connectors and mounts,
• maintain a consistent user interface in the vehicle cabin.

The used nature of the part allows for economical repair while maintaining the high quality of workmanship typical of the BMW brand.

Condition and selection of the appropriate module

The item is offered as a used BMW electronic module, which in practice means it comes from disassembly and is intended for further use after proper installation and configuration. When selecting the correct controller, it is worth paying attention to compatibility with the specific vehicle equipment version and communication system configuration.

To better understand when choosing a used controller is justified and how to minimize risks when purchasing second-hand electronics, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding the BMW electronics system

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