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

Used key – requires programming

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

BMW F20 F21 F22 F23 F30 F31 F32 Sport Line Key Fob Alarm Button 434 Mhz is an original part from the Switches, Controls, and Ignition Switches group, designed for select BMW 1, 2, and 3 Series models. With its integrated button and operation in the 434 MHz band, it serves as a precise control module for the central locking and alarm system, engineered to BMW factory specifications.

Specifications and technical data

• SKU: 8723606
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 8723606
• Substitutable numbers: 66128723606, 8723606, 66129312531, 9312531
• Category: Switches & Controls

Vehicle Application and Function

The presented key fob with an alarm button is dedicated to BMW F-series vehicles, including hatchback, coupe, convertible, sedan, and wagon body styles. This component belongs to the vehicle's comfort and security control system, responsible for:

• remote control of door locks and the trunk lid,
• activation and deactivation of the factory alarm system,
• interaction with the immobilizer system and vehicle electronics.

Operating in the 434 MHz band, the key fob is adapted to European radio transmission standards used in BMW remote control systems.

Construction and Technical Specifications

The Sport Line version of the key fob features a distinctive, dynamic design that matches the styling of this equipment line. The housing integrates the electronic module, control buttons, and radio system, creating a compact unit intended for programming to a specific vehicle.

Key features include:

• an integrated alarm button for quick control of the security system,
• compatibility with factory BMW F-series comfort systems,
• a design intended for integration with the original ignition switch and control modules.

As a part of the Switches, Controls, and Ignition Switches group, the key fob interacts with the vehicle's body electronics, requiring proper configuration and matching to the specific car.

Product Condition and Service Application

The condition described as for parts or not working indicates that the key fob is primarily intended as a source of parts or a basis for repair, rather than a fully functional plug-and-play replacement. In practice, this may involve:

• replacement or refurbishment of internal electronics,
• transferring selected components to another housing,
• using parts for training or diagnostic purposes.

This application is particularly useful in specialized service centers, electronic repair shops, and for advanced repairs of BMW comfort systems, where access to original structural components is crucial.

Benefits of Choosing an Original BMW Part

Choosing an original BMW key fob from the Sport Line ensures:

• factory-level integration with the vehicle's electrical architecture,
• visual consistency with other interior elements and Sport Line equipment,
• the possibility of using the housing, buttons, or module as a reference for repairs.

For workshops specializing in the BMW brand, such a part represents a valuable source of structural components and a reference point for diagnosing remote control and alarm systems.

If you are planning a comprehensive repair or upgrade of the comfort and security control area in your BMW and need other parts from the same group, such as key fobs, ignition switch modules, or steering column switches, check the available parts in the BMW Switches, Controls, and Ignition Switches category.

If you are considering broader use of used premium components in your service or for your own car and want to learn a practical approach to selecting original parts from dismantling, it is worth reading the article Used Mercedes Parts – Original Parts from Dismantling, which discusses the advantages of such a solution in terms of quality and operating costs.