Mini Cooper R56 N12 1.6 120HP ECU Control Unit Kit DME 7600020 CAS3 Key Manual

Mini Cooper R56 N12 1.6 120HP ECU Control Unit Kit DME CAS3 Key Manual is a complete engine control and immobilizer kit designed for manual transmission versions. The set includes the DME engine control unit, the CAS3 module, and a matched key, allowing for a consistent and technically correct replacement of the vehicle's control electronics. This solution is particularly useful in the event of a controller failure, starting issues, or the need to swap the entire control package.

Specifications and technical data

• SKU: 7600020-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7600020
• Substitutable numbers: 12147600020, 7600020, 12147589972, 7589972, 0261201966, 12147572268, 12147620005, 12147620001, 12147572264, 12147572270, 12147620020, 12147572274, 12147572272, 12147620076, 12147572276, 12147572256, 12147572260, 12147572266, 61356943822, 6943822, 12147589971, 7589971, 12147640005, 7640005, 12147600076, 7600076
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the kit

The presented kit belongs to the Electronic control modules and ECUs category and is dedicated to Mini vehicles with the N12 1.6 120HP engine and manual transmission. The combination of the DME controller, CAS3 module, and key ensures the consistency of immobilizer data, which significantly facilitates installation and reduces the need for advanced programming compared to replacing individual components. The kit is particularly useful in situations where there are:

• starting problems resulting from incorrect key or CAS3 authorization,
• engine control unit malfunctions manifesting as communication errors or unstable engine operation,
• the need to swap the complete electronics during an engine replacement or major drivetrain repair.

Benefits of using the complete DME + CAS3 + key kit

Using a complete control package provides a number of practical service and operational benefits:

• Immobilizer system consistency – the engine controller, CAS3 module, and key are already synchronized, which minimizes the risk of software conflicts.
• Reduced programming time – in many cases, adaptation to a specific car is sufficient, without the need for full coding from scratch.
• Higher repair predictability – replacing the complete kit eliminates uncertainty as to whether the problem lies in the controller, the CAS3, or the key itself.
• Manual transmission compatibility – the kit configuration is prepared for a specific type of gearbox, which facilitates integration with the existing installation.

Technical characteristics and compatibility

The kit has been designed as an OEM component for the Mini Cooper R56 with the N12 1.6 120HP unit, thanks to which it maintains factory engine control logic and CAN bus communication. The presence of dedicated interchangeable part numbers allows for precise matching to a specific vehicle version and model year, which is important for the work of professional workshops and automotive electronics services. In practice, this means that:

• the kit works with the vehicle's original electrical installation,
• communication with other onboard modules, such as ABS, the instrument cluster, or comfort modules, is maintained,
• further diagnostics are possible using factory or professional testers.

Condition, origin, and service application

The components come from dismantling, which allows for cost-effective restoration of vehicle performance while maintaining the manufacturer's original specifications. This type of kit is frequently used by workshops specializing in Mini electronics, especially for repairs after flooding, electrical shorts, or mechanical damage to the controller. For mechanics and automotive electronics technicians, this means the possibility of:

• performing a cost-effective repair instead of an expensive replacement with a new controller,
• carrying out an upgrade or engine swap while maintaining full functionality of the security system,
• reducing vehicle downtime in the service center thanks to a ready-to-use, complete package.

Substantive support and additional information

If you are planning a comprehensive repair or upgrade of the engine control and immobilizer area in your BMW 3 or 5 series and want to better understand the principles of engine controllers and comfort modules, it is worth reaching for the practical knowledge contained in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models. Although it concerns a different brand, it discusses universal issues related to diagnostics and the use of proven electronic modules from dismantling. If you are planning a comprehensive repair or upgrade of the engine control area in your Mini and need other components from the same group, such as additional controllers, comfort modules, or engine management systems, check the available parts in the Mini electronic control modules and ECUs category.