Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Keys Manual

Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME + CAS3 + Keys Manual is a solution designed for workshops and users who need a consistent engine control and immobilizer package. Thanks to the factory configuration of the components, the set ensures drivetrain electronics compatibility and facilitates the restoration of full vehicle functionality after a controller failure or issues with the starting system.

Specifications and technical data

• SKU: 7589971-14
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7589971
• Substitutable numbers: 12147589971, 7589971, 12147640005, 7640005, 12147640001, 7640001, 12147589972, 7589972, 0261S04563, 61359147221, 9147221, KZ, 12147600020, 7600020, 12147600076, 7600076
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and configuration of the set

The presented Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME + CAS3 + Keys Manual is dedicated to Mini Cooper R55, R56, and R57 models with the 120 HP N12 unit, equipped with a manual transmission. The set comes from a single vehicle configuration, which means that the engine control unit, comfort/immobilizer module, and transponders in the keys are factory-matched to each other.

Such completeness significantly reduces the risk of electronics matching issues, minimizes diagnostic time, and allows you to focus on correct mechanical installation and basic vehicle adaptation.

Benefits of using a complete ECU Kit

Using a complete control set in a Mini Cooper with an N12 engine brings a number of practical advantages, especially in the case of more serious drivetrain electronics faults:

• consistency of the engine control unit and CAS3 module – no need for tedious matching of individual elements from different cars,
• preservation of immobilizer system integrity – the keys are already linked to the CAS3 module, which facilitates starting the vehicle after installation,
• reduction of programming costs – many procedures can be shortened to basic adaptations and error checks,
• better repeatability of the repair effect – the entire control system operates in a configuration consistent with factory specifications.

For workshops specializing in the Mini brand, such a set is a practical service solution that allows for faster repair completion and limits the number of potential points of failure.

Application in vehicles with manual transmission

The offered ECU Kit is intended for vehicles with a manual transmission, which is important for both engine control logic and cooperation with other modules in the vehicle. In the case of a Mini Cooper with an N12 engine, proper matching of the controller to the transmission type affects:

• correct operation of functions related to idle speed and throttle response,
• proper handling of signals from sensors associated with the manual transmission,
• stability of driver assistance systems that use data from the drivetrain.

Thanks to this, the set is particularly useful when replacing a damaged controller in cars where compatibility with a specific drivetrain configuration is essential.

Category characteristics and workshop application

The product belongs to the Electronic control modules and controllers group, i.e., elements responsible for managing the operation of key vehicle systems. In workshop practice, complete ECU + CAS + keys sets are used primarily for:

• repairs after engine control unit damage,
• immobilizer problems preventing the car from starting,
• engine unit swaps within the same generation of Mini Cooper.

For services dealing with automotive electronics, this is a convenient base for further configuration, allowing to shorten the time spent searching for individual components and focus on correct installation and road testing.

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 engine controllers, comfort modules, or security systems, check the available parts in the Mini electronic control modules and controllers category.

Condition, verification, and selection for a specific car

The offered set comes from dismantling and is intended for re-installation by a professional service or an experienced user. Before purchasing, it is worth verifying the compatibility of the engine configuration, body generation, and transmission type with your vehicle to ensure proper cooperation of all systems.

For those interested in a broader context of using original control modules in premium cars, an article describing how used components help preserve the Audi brand character may be helpful – more information can be found in the entry Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.