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 manual transmission. The kit includes the CAS module, CAS3 version, and a matched key, which facilitates the efficient replacement of the factory start authorization system and immobilizer management.

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 is a component of the electronic system responsible for engine start authorization, immobilizer operation, and communication with other controllers in the vehicle. It has been designed for the N12 1.6 120HP unit in Mini R55 and R56 models equipped with a manual transmission, ensuring consistency of operating parameters with the factory vehicle configuration.

The presence of the CAS module, CAS3 version, and a matched key allows this set to be used as a base for restoring the proper operation of the starting system after an electronics failure, key damage, or communication issues in the vehicle's bus.

Benefits of using a complete CAS module with key

Using a complete kit offers a number of practical advantages from the point of view of diagnostics and service:

• Component consistency – the CAS module, CAS3, and key come from a single system, which facilitates configuration and reduces the risk of incompatibility.
• Possibility of use in the process of vehicle adaptation or programming after replacing electronics.
• Support for restoring proper immobilizer operation in case of damage to the original module.
• A solution particularly useful for repairs after flooding, short circuits, or other electrical system damage.

Thanks to this kit, in many cases, you can shorten the time spent searching for individual elements and focus on the professional configuration of the system in the vehicle.

Technical characteristics and compatibility

The CAS kit has been prepared for use with a manual transmission, which is important when selecting electronics for a specific drivetrain version. The presence of the OEM part number and an extensive list of interchangeable numbers in the technical specification facilitates verification of compatibility with your vehicle at the parts selection stage.

The product comes from the Mini range, which means it is a solution consistent with the factory electrical architecture and controller communication in these models. The used condition allows for an economical restoration of the electronic system's efficiency while maintaining the original design.

Condition, verification, and service application

The item is offered as a used electronic module, which in workshop practice often represents a reasonable compromise between cost and functionality. This type of kit can be used both for standard replacement of a damaged module and in more advanced service projects where reconfiguration of the vehicle's security system is necessary.

Before installation, a standard diagnostic procedure and consultation with an automotive electrician are recommended to ensure proper matching and potential programming of the kit to a specific Mini unit, taking into account the equipment configuration and software versions of other controllers.

Related elements and technical knowledge

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 modules, engine controllers, or other body controllers, check the available parts in the Mini electronic control modules and controllers category.

When deciding to install a used module, it is worth expanding your knowledge on the selection and operation of electronics from the secondary market – you will find practical tips in the article "Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?", which discusses key aspects of safety, compatibility, and cost-effectiveness of such solutions.

Additional information on the use of used components in Mini cars and how to combine savings with maintaining the appropriate service standard is also provided in the entry "Used car parts for Mini Cooper – a way for style and savings", which serves as a practical supplement to knowledge for owners and workshops.