BMW F70 F74 X5 G05 X6 G06 X7 G07 G60 G61 Remote Key Fob 5B7D7B3

Used key – requires programming

The key requires programming (coding) by a specialist to be fully functional.

BMW F70 F74 X5 G05 X6 G06 X7 G07 G60 G61 Remote Key Fob is an original component from the Electronic control modules and controllers group, designed for modern BMW X series as well as 5 and 7 series models. It serves as an ideal base for repair, refurbishment, or as a source of electronics and housing for specialized service applications.

Specifications and technical data

• SKU: 5B7D7B3
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 5B7D7B3
• Substitutable numbers: 5B7D7B3, 66125B7D7B4, 5B7D7B4, 66125B3E8E1, 5B3E8E1
• Category: ECUs & Computer Modules

Application and compatibility

The remote key fob is dedicated to BMW vehicles from the X5 G05, X6 G06, X7 G07, and G60/G61 series, as well as the F70/F74, where it acts as an electronic transmitter that integrates with the vehicle's comfort access and ignition system. Thanks to its design, which complies with BMW factory standards, it provides a suitable base for automotive electronics technicians or specialized services involved in key programming and repair.

Technical characteristics of the remote key fob

As an item in the Electronic control modules and controllers category, the remote key fob contains the electronic circuitry responsible for communication with the vehicle, handling remote locking/unlocking functions, and integration with the immobilizer system. It can be used:

• as a donor for electronics or housing when repairing an existing key,
• in the process of diagnosing and testing comfort systems,
• in projects involving the refurbishment of used BMW electronics.

This type of solution is particularly useful for workshops specializing in automotive electronics, where access to original components and compatibility with the factory system architecture is essential.

Product condition and service purpose

The product is offered in for parts or not working condition, which means it is not intended for direct, plug-and-play use as a ready-to-use key. It is best suited as a source of parts for repair or refurbishment, as well as for training and testing purposes within the scope of BMW electronics. Installation and any necessary programming by an experienced service center equipped with appropriate diagnostic tools is recommended.

Benefits of using original BMW electronics

Using an original BMW remote key fob in service work allows for maintaining consistency with the vehicle's factory architecture, which facilitates subsequent coding and integration with security systems. For workshops and electronics technicians, this means:

• better compatibility with vehicle software compared to aftermarket replacements,
• the ability to obtain original components for repairs,
• greater predictability of module behavior during diagnostics.

This is a practical solution for specialists who consciously choose used OEM electronics as material for repairs and testing.

Related products and technical knowledge

If you are planning a comprehensive repair or upgrade of the electronic zone in your BMW and need other components from the same group, such as comfort controllers, keyless access modules, or other transceiver systems, check out the available parts in the BMW Electronic control modules and controllers category.

To better plan the use of used modules and keys in your service, it is worth reading the guide on selecting and installing second-hand electronics: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Additional market context and arguments for using original components from dismantling in premium cars are also provided in the article: Crisis in the new parts market? Why used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend in 2026.