Mini Cooper S R56 N14 1.6 174HP ECU Kit Unit DME + CAS3 + 2 Keys 7586134 Manual

Mini Cooper S R56 N14 1.6 174HP ECU Kit Unit DME + CAS3 + 2 Keys Manual is a complete engine control and immobilizer kit designed for the petrol version of the Mini Cooper S R56 with a manual transmission. The set includes a DME control module, a CAS3 module, and two matched keys, which facilitates professional electronics replacement without the need for tedious programming from scratch. This is a practical solution for workshops and users who want to restore the proper operation of the N14 unit while maintaining the consistency of electronic systems.

Specifications and technical data

• SKU: 7586134-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7586134
• Substitutable numbers: 7586134, 0261S04363, 9147191, 61359147191, 9147221, 61359147221, 9147216, 61359147216
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose of the ECU DME + CAS3 + 2 keys kit

The presented kit is designed to work with the 174 HP N14 petrol engine in the Mini Cooper S R56 model equipped with a manual transmission. The combination of the DME controller, CAS3 module, and paired keys allows for maintaining the integrity of the vehicle's security system, which is crucial when replacing electronics after a failure or when troubleshooting starting issues. The complete configuration of components in one package reduces the risk of incompatibility between the engine controller and the immobilizer, which in practice shortens diagnostic and installation time. This is particularly important in modern systems where communication between modules takes place via digital buses and requires consistent data.

Benefits of using a complete controller kit

Using a ready-made ECU DME + CAS3 + keys kit brings measurable service and operational benefits:

• reduction of the need for advanced programming and adaptation of the engine controller and immobilizer,
• maintaining data consistency between modules responsible for starting and security,
• easier diagnostics in case of previous communication problems between controllers,
• the ability to restore full functionality of the drivetrain in the Mini Cooper S R56 more quickly. For workshops specializing in the Mini brand, such a kit provides a practical base for engine electronics repairs, and for the end user, it means greater predictability of the repair outcome.

Application in a petrol system with a manual transmission

The control system in a petrol Mini Cooper S R56 with an N14 engine and a manual transmission requires precisely selected operating parameters, such as fuel dosage, ignition timing, or engine protection strategies. The ECU DME + CAS3 + 2 keys kit is configured for this specific type of drivetrain, allowing it to work with the existing vehicle installation without the need for unusual modifications. Proper matching to the petrol system with a manual gearbox is important for both driving dynamics and engine stability across the full load range. A correctly selected controller helps maintain predictable engine behavior and proper cooperation with other electronic modules in the car.

Category characteristics: Electronic control modules and controllers

The product belongs to the Electronic control modules and controllers category, which includes components responsible for processing sensor signals, controlling engine operation, and managing vehicle security. In the case of the Mini Cooper S R56, it is crucial that these modules are logically linked, which is exactly what the offered DME + CAS3 + keys set ensures. If you are planning a comprehensive repair or upgrade of the engine electronics in your Mini and need other components from the same group, such as controllers, comfort modules, or security management units, check out the available parts in the Mini electronic control modules and controllers category.

Product condition and use in service practice

The offered kit is sourced from dismantling and is intended for reinstallation in a vehicle with a compatible drivetrain configuration. In workshop practice, such a solution allows for:

• shorter repair time compared to building a configuration from scratch,
• easier restoration of the original security system logic,
• a more predictable vehicle startup process after electronics replacement. For specialists dealing with automotive electronics, this is a functional base for further configuration, and for a Mini owner – a chance to restore vehicle efficiency while maintaining the original control architecture.

More about the role of original modules in modern cars

Modern cars, regardless of the brand, increasingly rely on cooperating controllers responsible for the drivetrain, comfort, and multimedia. If you want to better understand how original modules influence the vehicle's character and driving quality, it is worth reading the article on our blog: Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?. Although it concerns a different brand, it well illustrates the importance of factory electronic solutions in modern cars.