Remote Key Mini Cooper One F55 F56 F57 F60 Radio Alarm Fob Button 434 MHz

Visual condition of the part

The product shows signs of use visible in the photos.

Remote Key Mini Cooper One F55 F56 F57 F60 Radio Alarm Fob Button 434 MHz is an original component designed for the remote control and vehicle security system of the Mini brand. Operating at a frequency of 434 MHz, the key works with the factory electronics of the car, ensuring proper communication with the comfort module and immobilizer. This solution is dedicated to users who need a factory-compliant component for diagnostics, repairs, or restoring vehicle configuration.

Specifications and technical data

• SKU: 8781935-1
• Mark: Mini (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 8781935
• Substitutable numbers: 66128781935, 8781935, 66126805986, 6805986, 66129367409, 9367409, 66129345896, 9345896, KZ, 66125A56078, 2556078, 66125A40792, 2540792
• Category: Other Interior Parts & Accessories

Purpose and compatibility

The presented key has been designed for Mini Cooper One models of the F generation, in particular F55, F56, F57, and F60. This means it is matched to the electrical architecture of these versions, including the keyless entry and start system, if present in the given configuration. The use of the 434 MHz frequency is consistent with the standard used in European Mini vehicles, which facilitates integration with the existing installation.

For certainty of selection, it is recommended to verify compatibility with the specific vehicle equipment version and consult with an automotive electrician or a service center specializing in the Mini brand. This approach minimizes the risk of problems with programming and communication with body modules.

Technical characteristics of the 434 MHz key

The key operating at a frequency of 434 MHz is an element of the vehicle's radio system, responsible for transmitting encoded signals to the control unit. In practice, this translates into:

• the ability to remotely lock and unlock doors,
• integration with the factory alarm and immobilizer,
• cooperation with comfort functions, if they are present in the given car configuration.

As an original Mini part, the key is designed to behave identically to the factory-supplied element once properly programmed. This is important for repairs where maintaining full functionality of the security system and proper cooperation with body electronics is essential.

Use in service and diagnostics

Due to the marked condition of for parts or not working, the key is best treated as a source of parts or an element for training and diagnostic purposes. It can be used, among other things, for:

• obtaining the housing or selected components for the reconstruction of another key,
• electronics analysis by specialized services dealing with key programming,
• workshop tests related to comfort and security systems in Mini vehicles.

This method of use allows for reducing repair costs while maintaining compliance with the factory solutions used by the Mini brand.

Benefits of choosing an original Mini component

Choosing an original Mini key, even in a condition intended for parts, offers several practical benefits. First of all, it provides access to a component designed exactly for the given vehicle platform, which facilitates mechanical and electrical matching. Additionally, original elements are usually better documented in diagnostic software, which supports the programming and configuration process.

If you are planning a comprehensive repair or upgrade of the electronic comfort and security systems in your Mini and need other elements from the same group, such as control modules, remotes, or additional electronic accessories, check the available parts in the Other Mini category.

Substantive support and additional information

When working with vehicle electronics, security systems, and advanced drive systems, it is worth expanding your knowledge about the structural differences between individual model versions. A good starting point may be reading an article discussing the differences in construction and equipment of sports variants, such as Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate components depending on the version.

If in your service work or vehicle operation you focus on the conscious use of used elements, it is also worth familiarizing yourself with the material describing the advantages of such an approach – you will find them in the article Eco-driving: discover the benefits of used car parts, which touches on the topic of economy, recycling, and a responsible approach to spare parts.