Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual

Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME CAS3 Key Manual is a complete, used engine control and immobilizer package designed for 95HP N12 petrol units with a manual transmission. The kit combines key electronic components responsible for starting, engine operation, and vehicle authorization, facilitating professional repair or replacement of a damaged system. By maintaining component consistency, it provides a solid foundation for restoring the proper operation of your Mini's powertrain.

Specifications and technical data

• SKU: 7640004-10
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7640004
• Substitutable numbers: 7640004, 12147589972, 7589972, 12147572264, 7572264, 12147572276, 7572276, 12147572256, 7572256, 12147572260, 7572260, 12147620005, 7620005, 12147572270, 12147620001, 12147572268, 12147620076, 12147620020, 12147572274, 12147572272, 12147572266, 0261S04160, 61359147184, 9147184
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the starter kit

The presented starter kit is part of the Electronic control modules and controllers group, dedicated to Mini One R55 and R56 models with a 1.4 N12 petrol engine producing 95HP. The package includes the ECU DME engine controller and the CAS3 module responsible for key authorization and communication with the immobilizer, allowing for consistent management of starting and vehicle security.

A kit configured in this way is particularly useful in situations where engine electronics have failed or there are issues with the starting system, and repairing individual components is uneconomical or technically difficult. Using a complete package minimizes the risk of incompatibility between modules and speeds up the service process.

Compatibility with petrol engine and manual transmission

The kit has been prepared for vehicles powered by petrol, which guarantees correct control maps, ignition logic, and support for equipment characteristic of N12 units. As a result, the ECU DME controller can properly manage fuel delivery, ignition, and auxiliary component operation, ensuring stable and predictable engine performance.

An important feature is also the compatibility with a manual transmission. The controller software takes into account the specifics of working with a manual gearbox, including how it handles signals from clutch and speed sensors, as well as gear-shifting logic. For workshops, this means fewer potential software conflicts and faster vehicle startup after installation.

Application in diagnostics and Mini electronics repairs

The used ECU DME starter kit with the CAS3 module is suitable for both routine repairs and more advanced diagnostic projects. It can be used as:

• a complete replacement set in case of damage to the original engine controller or CAS module,
• a base for adaptation in a vehicle after an engine swap to an N12 unit with similar parameters,
• a reference test kit in workshops specializing in Mini electronics.

By maintaining the consistency of elements in one package, the need for time-consuming configuration and matching of individual modules is reduced, which is particularly important when working with advanced security systems.

Benefits of choosing original Mini electronics

Choosing original Mini electronic control modules and controllers allows you to maintain the vehicle's factory operating logic, including throttle response, operation of assistance systems, and communication within the vehicle network. For the user, this means predictable car behavior after repair and easier diagnostics in the future.

A used, functional starter kit is an attractive cost-effective solution compared to purchasing new components, while maintaining the original electronics architecture. It is a good solution for workshops and users who want to restore full vehicle functionality while preserving its character and operating parameters in accordance with the manufacturer's specifications.

Expansion of the control system and expert knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as additional controllers, comfort modules, or powertrain management systems, check the available parts in the Mini electronic control modules and controllers category.

For a better understanding of how to properly select used electronic components and how they affect the handling and behavior of the car, it is worth referring to expert materials. For example, an article describing how original modules and controllers help maintain the vehicle's factory properties can be found here: Audi and emotions in their purest form – how used modules and controllers help maintain the brand's DNA.