BMW F20 F21 F22 F23 F30 F31 F32 Radio Remote Alarm Key Fob 434 MHz 8723602

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F22 F23 F30 F31 F32 Radio Remote Alarm Key Fob is an original component from the Switches, control elements and ignition locks group, designed to work with the factory BMW radio and alarm system. This solution allows for maintaining the consistency of the vehicle's electronics, ensuring compatibility with the electrical architecture of specific F-series models.

Specifications and technical data

• SKU: 8723602-1
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 8723602
• Substitutable numbers: 8723602, 66128723602, 9312538, 66129312538, 9312535, 66129312535, 9312527, 66129312527
• Category: Switches & Controls

Purpose and function in the vehicle

The presented radio key fob operating at a frequency of 434 MHz is a remote control element for the central locking, alarm, and selected comfort functions in BMW F-series vehicles. As a component from the control and ignition lock group, it works with body modules, security systems, and the starting system, which is important for diagnostics and electronics configuration.

Thanks to integration with the factory vehicle software, the key fob can be used as a base for repair, regeneration, or restoring the functionality of an existing starting set, while maintaining the original logic of the comfort and security system.

Technical aspect and compatibility

The key fob is an OEM component from BMW, which means it maintains factory standards for the housing, electronics, and radio system. The 434 MHz frequency used is typical for European versions of vehicles, which facilitates integration with factory comfort and alarm modules in the corresponding F-series models.

In workshop practice, such an element can be used as a donor for the housing, electronics, or buttons, depending on the needs and the adopted repair procedure. Due to the condition being marked as for parts or not working, the product is intended primarily for service purposes, testing, or as a source of components for the regeneration of existing key fobs.

Service application and benefits

In the context of body electronics repair, this type of key fob can be useful in the following scenarios:

• regeneration of worn or damaged remote controls,
• obtaining housing elements, buttons, or printed circuit boards,
• workshop tests related to the diagnostics of the comfort and alarm system,
• restoring the completeness of the starting set in the vehicle after previous repairs.

For workshops specializing in automotive electronics and for advanced users maintaining their own service facilities, such an element can be a valuable source of components, allowing for the optimization of repair costs while maintaining the manufacturer's original specifications.

Product condition and installation recommendations

The condition marked as for parts or not working indicates that the key fob is not offered as a fully functional plug-and-play element. It should be treated as a base for repair, a source of parts, or material for training and diagnostic purposes. Before any attempt to adapt it to a vehicle, verification by a specialist dealing with BMW electronics is necessary, using appropriate diagnostic tools.

Due to the specificity of the manufacturer's security systems, all work related to programming, adding, or adapting the key fob should be carried out in accordance with service procedures and in compliance with vehicle data security rules.

Expanding the BMW control system

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

Knowledge about premium used parts

When working with premium vehicle electronics, it is worth knowing the specifics of used components, their typical faults, and the possibilities of safe regeneration. Practical tips on selecting and operating used premium brand components can be found in the article Used parts for Mercedes – original parts from dismantling, which discusses the approach to original dismantled elements in the context of quality and service cost-effectiveness.