Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual

Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME + CAS3 + Key Manual is a set from the Electronic control modules and controllers group, designed for Mini vehicles with an N12 engine and a manual transmission. The kit includes the CAS module, the CAS3 version, and a matched key, which facilitates the restoration of a functional authorization and starting system in the car after a failure or electronic component replacement.

Specifications and technical data

• SKU: 7589971-8
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7589971
• Substitutable numbers: 12147589972, 7589972, 12147572264121475722761214757225612147572260, 7572264757227675722567572260, 12147572268121476200051214757227012147620076, 7572268762000575722707620076, 121476200011214762002012147572274, 762000176200207572274, 12147572272121, 12147589971, 7589971, 12147640005, 7640005, 12147640001, 7640001, 12147600020, 7600020, 12147600076, 7600076
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the CAS kit

The presented CAS kit for Mini is designed as a central element of the vehicle's authorization system, responsible for key recognition, handling the starter interlock, and communicating with other controllers in the car. The presence of the CAS module along with the CAS3 version and a matched key allows for a consistent restoration of the electronic configuration in a vehicle where the original set has been damaged or replaced. Thanks to this solution, it is possible to technically restore the starting function correctly without the need to source components from different suppliers. The kit is particularly useful for post-collision repairs, wiring harness replacements, or issues with the immobilizer.

Compatibility and interchangeable numbers

The CAS computer in this set belongs to a group of components with an extensive list of interchangeable numbers, which in practice increases the range of compatibility with various versions of the Mini R55 and R56. The presence of multiple reference numbers allows the module to be matched to the specific equipment configuration and software version used in a given vehicle. To ensure proper operation, it is recommended to verify compatibility by OEM number or interchangeable numbers and to compare the hardware and software versions with the previously installed controller. This approach minimizes the risk of communication issues within the vehicle network and facilitates integration with other controllers.

Compatibility with manual transmission

The CAS kit has been selected for Mini vehicles equipped with a manual transmission. This means that the module configuration is prepared to work with the starting logic and security features intended for a manual gearbox, which is important when integrating with clutch position sensors, start logic, and communication with other controllers. Selecting a module for a specific transmission type reduces the need for additional programming and lowers the risk of errors related to incorrect configuration, which is especially important for vehicles used intensively on a daily basis.

Practical application and advantages of the used kit

A used CAS kit with a key is a cost-effective solution in situations where the factory module has suffered electrical damage, has been flooded, or there are issues with key recognition. Choosing a set from a single source simplifies the service process because the module and key are already linked, and the base configuration is consistent. The main advantages of this solution include:

• the possibility of economically restoring the functionality of the authorization system in a Mini,
• preserving the original architecture of the vehicle's electronics,
• reducing the time required for diagnostics and component matching,
• easier integration with the existing electrical installation. For workshops specializing in the Mini brand and for users who care about the technical correctness of repairs, such a kit provides a practical base for further configuration and potential programming for a specific vehicle.

Installation recommendations and OEM selection

Due to the importance of the CAS module in the vehicle's security structure, installation should be entrusted to a service center with experience in Mini electronics and appropriate diagnostic tools. It is crucial to check compatibility by OEM number and interchangeable numbers, as well as to verify communication in the vehicle network after installation. For users who want to deepen their knowledge about the selection and installation of used controllers, a guide describing the principles of module selection, compatibility checking, and the most frequently asked service questions will be useful – details can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Related Mini Electronic control modules and controllers

If you are planning a comprehensive repair or upgrade of the control electronics area in your Mini and need other elements from the same group, such as comfort controllers, engine modules, or body control units, check the available parts in the Mini Electronic control modules and controllers category.