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

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW F20 F21 F22 F23 F30 F31 F32 Basis Radio Remote Alarm Key Button 434 MHz is an original component from the Switches, control elements and ignition locks group, designed for factory access and start systems in BMW F-series vehicles with the M Sport package. Thanks to its compatibility with factory electronics and the appropriate 434 MHz radio frequency, it serves as a solid base for repairing or restoring the remote control functions in the car.

Specifications and technical data

• SKU: 8723598
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 8723598
• Substitutable numbers: 8723598, 66128723598, 9312523, 66129312523
• Category: Switches & Controls

Purpose and function in the vehicle

The presented remote key is a component of the central locking and ignition control system in selected BMW F-series models with the M Sport line. In practice, it is responsible for:

• remote control of locks and vehicle security,
• integration with the ignition system or start/stop button,
• cooperation with factory comfort and security modules.

By maintaining the original housing design and electronics, the key is matched to the M Sport styling and the vehicle's electrical architecture, which facilitates further service work.

Technical aspect and compatibility

The key operates on a 434 MHz frequency, used in European versions of BMW, which is significant for integration with the factory comfort module and security system. The appropriate internal architecture allows the remote to be assigned to a specific car using specialized diagnostic equipment and programming procedures used in BMW service centers and specialized electronic workshops.

Due to its classification in the Switches, control elements and ignition locks group, the remote works with the ignition system, steering column, and modules responsible for start authorization. This solution allows for consistent operation of all control elements in the cabin.

Product condition and service application

The item is offered in for parts or not working condition, which means it should be treated primarily as a source of parts or a base for repair and regeneration. In practice, this may include:

• obtaining the housing or selected mechanical elements,
• replacing damaged components in an existing remote,
• using the circuit board or selected sub-assemblies for diagnostic and training purposes.

This condition is particularly useful for electronic workshops, services specializing in car keys, and individuals involved in professional regeneration of BMW remotes, where access to original components is essential.

Benefits of using an original BMW remote

Using an original BMW remote in service work ensures the preservation of factory geometry, fitment, and compatibility with the vehicle's electrical installation. This translates into:

• easier matching to the existing ignition or key slot,
• consistent appearance with other interior elements in the M Sport version,
• the ability to use standard BMW service procedures.

For users and service centers, this means a more predictable repair process and reduced risk of communication issues between the remote and the comfort and security modules.

If you are planning a comprehensive repair or upgrade of the control and engine start zone in your BMW and need other elements from the same group, such as start/stop buttons, ignition inserts, or steering column control modules, check the available parts in the BMW Switches, control elements and ignition locks category.

Safety and selection of used components

When working with vehicle control and security systems, it is worth paying attention to service procedures and the selection of other components, especially in the area of brakes and active safety systems. To better plan comprehensive work on the car and consciously choose used sub-assemblies, check out the guide Second-hand brake system: how to safely choose discs, calipers, and ABS?, which shows how to responsibly approach the purchase of key elements in a used parts store.