Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual

Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key Manual is a set from the Electronic control modules and controllers group, designed for Mini vehicles with an N14 engine and manual transmission. The kit includes the ECU engine controller along with the CAS3 module and key, which facilitates the professional replacement of powertrain electronics without the need to source components from different origins.

Specifications and technical data

• SKU: 7641003
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7641003
• Substitutable numbers: 12147587549, 7587549, 12147631001, 7631001, 7641003, 61359147195, 9147195, 0261S04158
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU + CAS3 kit

The presented kit has been developed for Mini models equipped with the 174 HP N14 unit and a manual transmission. Combining the engine controller with the CAS3 module and a matched key allows for maintaining the integrity of the immobilizer system, which is crucial when replacing electronics in modern vehicles. Thanks to this solution, you can reduce the time required for adaptation and configuration, as well as minimize the risk of engine starting issues.

Benefits of using a complete control module

The ECU + CAS3 kit with key provides a number of practical advantages during the repair or upgrade of the engine control system:

• consistency of components responsible for start authorization and communication with the immobilizer,
• easier integration with the Mini vehicle's electrical system,
• reduced need for additional programming compared to sourcing individual modules,
• possibility of use as a replacement for a damaged factory controller in vehicles with a manual transmission. For workshops specializing in the Mini brand, such a kit is a convenient service solution, allowing for efficient diagnostics and replacement of powertrain electronics.

Technical characteristics in the context of installation

As an item from the Electronic control modules and controllers category, this kit is designed to operate in the demanding environment of the engine bay and the vehicle's electrical system. It has been designed to work with a manual transmission, which is significant when selecting the appropriate software and control maps. Proper matching of the module to the specific configuration of the Mini vehicle allows for maintaining the correct operation of functions related to starting, engine performance, and communication with other controllers in the vehicle's network. Before installation, it is recommended to verify compatibility with the vehicle based on the OEM part number and available interchangeable numbers in the technical specification, as well as to consult with an automotive electrician regarding any necessary adaptation procedures.

Product condition and service application

The offered kit comes from the used parts group, which makes it an attractive cost alternative to new controllers while maintaining the functionality required for daily operation. This type of solution is often chosen for post-accident repairs, engine electronics failures, or immobilizer problems when the priority is to restore vehicle functionality within a reasonable budget. To better understand the specifics of used automotive electronics and the principles of their selection, it is worth reading the guide: A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Selecting Mini electronics for compatibility

When choosing this ECU + CAS3 kit with key, it is crucial to pay attention to compatibility with the specific version of the Mini S R56 with the N14 engine and manual transmission. In practice, this means comparing data from the vehicle documentation with the information in the product's technical specification and, if necessary, consulting with a service center specializing in the Mini brand. Such an approach helps avoid problems with communication between controllers, engine performance errors, or starting difficulties. Additional tips on the professional selection of used electronic and mechanical components can be found in the article: No more bad purchases! How to professionally select used car parts, saving time and nerves If you are planning a comprehensive repair or upgrade of the engine and control electronics area in your Mini and need other components from the same group, such as engine controllers, comfort modules, or other ECU units, check the available parts in the Mini electronic control modules and controllers category.