BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020

BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key is a set from the Electronic control modules and ECUs category, designed for the engine management and immobilizer system in Mini vehicles with the N12 engine and manual transmission. The kit includes the engine ECU DME, the CAS 3 module, and a key, which significantly facilitates matching the electronics to a specific vehicle and reduces the risk of starting issues.

Specifications and technical data

• SKU: 7600020-9
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7600020
• Substitutable numbers: 12147589972, 7589972, 12147600020, 0261201966, 61356943822, 7600020, 201966, 6943822, 12147600076, 12147572264, 12147572276, 12147572256, 12147572260, 12147572268, 12147620005, 12147572270, 12147620076, 12147620001, 12147620020, 12147572274, 12147572272, 12147572266, 12147589971, 7589971, 12147640005, 7640005, 7600076
• Category: ECUs & Computer Modules

Purpose and function of the kit

The presented kit is dedicated to Mini Cooper models of the R55, R56, and R57 series with the 1.6 N12 engine and manual transmission. Combining the ECU DME with the CAS 3 module and a matched key allows for consistent management of engine operation, start authorization, and communication with other vehicle systems. A kit configured in this way is particularly useful when replacing a damaged engine controller or CAS module, especially when you want to maintain proper cooperation with the immobilizer without the need for deep interference with the vehicle's software.

Benefits of using a complete ECU DME + CAS 3 + key set

Using a complete set brings a number of practical advantages in the workshop and during repairs:

• consistency of the electronics responsible for starting and engine control,
• reduction of problems with matching the immobilizer and key,
• simplification of adaptation procedures in the vehicle,
• increased chances of quickly restoring full vehicle functionality after a controller failure. For workshops specializing in the Mini brand, such a kit is a convenient solution for diagnostics and replacement of engine control components in vehicles with the N12 unit.

Technical characteristics and compatibility

As an item from the Electronic control modules and ECUs category, the set works with the vehicle's bus, engine sensors, and security system. The presence of the OEM part number and an extensive list of interchangeable numbers in the technical specification facilitates precise verification of compatibility with a specific Mini Cooper configuration. Before installation, it is recommended to compare the data with the original vehicle components and consult a diagnostician with appropriate service software to ensure proper adaptation of the kit to the car.

Condition and use in service practice

The item comes from the secondary market, which allows for an economical repair of the control system while maintaining the original Mini electronic architecture. This type of solution is often chosen by specialized workshops and users who want to restore vehicle performance without investing in a brand-new set of controllers. Due to the complexity of the ECU DME and CAS 3 system, installation should be entrusted to a service center with experience in Mini electronics, which minimizes the risk of software errors and starting problems after replacement.

Expert support and selection of used electronics

If you want to better understand how to safely select used engine controllers, CAS modules, and other electronic components, how to check compatibility by OEM numbers, and what the adaptation process looks like in practice, check out our guide: Used automotive electronics – second-hand ECU modules and sensors. If you are planning a comprehensive repair or upgrade of the engine control and security system area in your Mini and need other elements 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.