BMW F20 F21 F22 F23 F30 F31 F32 M Sport Radio Remote Alarm Key Button 434 MHz

BMW F20 F21 F22 F23 F30 F31 F32 M Sport Radio Remote Alarm Key Button 434 MHz is an original component from the Switches, control elements and ignition locks group, designed for the remote control and alarm system in selected BMW F-series models. The product is offered in for parts or not working condition, making it suitable primarily as a donor for components, housing, or buttons in the process of repairing an existing remote key.

Specifications and technical data

• SKU: 8723610-4
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 8723610
• Substitutable numbers: 66128723610, 8723610, 66129312542, 9312542
• Category: Switches & Controls

Application and function in BMW F-series vehicles

The alarm remote key in BMW F20, F21, F22, F23, F30, F31, F32 models is responsible for operating the central locking system, activating and deactivating the alarm, and controlling selected comfort functions. This type of key operates on the 434 MHz band, which is characteristic of many European versions of BMW and allows for stable communication with the vehicle's comfort module.

Due to being dedicated to specific F-series generations, the housing, button layout, and electronics are matched to the electrical architecture of these models, which facilitates the use of the remote as a base for repairing or reconstructing an existing key.

Technical characteristics and construction of the remote

The presented remote belongs to the group of control elements where precise housing execution, stable button mounting, and correct placement of the electronic board are of key importance. In practice, this means the possibility of using:

• the housing as a replacement for a worn or damaged key body,
• the buttons to restore the full mechanical functionality of an existing remote,
• selected internal elements as a donor for parts in the service process.

Thanks to the preservation of the original geometry and manufacturing standard, the remote works well with factory ignition and lock cylinders, which is important for repairs requiring the preservation of the original appearance and ergonomics.

Product condition and potential service applications

The condition defined as for parts or not working means that the remote is not intended for direct, fully functional use as a complete, working key. It is most commonly used:

• as a source of parts for the regeneration of an existing BMW remote,
• to obtain the housing and buttons in case of mechanical damage to the original key,
• for training or diagnostic purposes, e.g., for practicing the programming and disassembly of BMW remotes.

Before intended use in a specific vehicle, it is recommended to verify compatibility with the car's electronics and consult with a specialized service center dealing with BMW key programming.

Benefits of choosing an original BMW component

Choosing an original remote from the Switches, control elements and ignition locks group ensures the preservation of factory geometry, material quality, and button ergonomics, which is important for both durability and the comfort of daily vehicle operation. Original components are designed for long-term use in demanding conditions, making them well-suited as a base for repairs and key reconstruction.

If you are planning a comprehensive repair or modernization of the control and security zone in your BMW and need other elements from the same group, such as buttons, control modules, or ignition locks, check the available parts in the BMW Switches, control elements and ignition locks category.

Expert support and additional information

When selecting used control elements and keys, it is worth paying attention to the compatibility of the vehicle generation, the type of security system used, and the programming capabilities at a given workshop. For drivers interested in a broader perspective on used premium components, including solutions used in brands such as Mercedes-Benz, the article describing the advantages of original parts from dismantling may be helpful: Used parts for Mercedes – original parts from dismantling.

Before purchasing a remote, it is also worth considering seasonal vehicle equipment inspections and preparing the car for more intensive use, using practical checklists and tips regarding used components, which you will find in the material: Winter essentials: which used car parts are worth checking and replacing before the frost?.