BMW Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Keys 7640005 Manual

BMW Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Keys is a professional solution for workshops and users who need a functional engine control package. The kit includes the engine control unit (ECU), the CAS3 module, and matched keys, which significantly facilitates the restoration of full electronic system functionality. This helps reduce diagnostic and programming time, as well as minimizes the risk of immobilizer-related issues.

Specifications and technical data

• SKU: 7640005-9
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7640005
• Substitutable numbers: 12147589972, 7589972, 12147572264 12147572276 12147572256 12147572260, 7572264 7572276 7572256 7572260, 12147572268 12147620005 12147572270 12147620076, 7572268 7620005 7572270 7620076, 12147620001 12147620020 12147572274, 7620001 7620020 7572274, 12147572272 121
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Control Modules

Purpose and configuration of the kit

The presented BMW Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Keys is dedicated to the BMW Mini Cooper R56 with the 120 HP N12 petrol engine, paired with a manual transmission. This configuration ensures compatibility with the vehicle's factory electronic architecture, which is particularly important when replacing a damaged controller or resolving engine starting issues.

Combining the ECU, CAS3 module, and keys into one package reduces the need for deep interference with the vehicle's software. In practice, this means easier adaptation to the existing installation, a lower risk of conflicts with the immobilizer, and faster restoration of proper drivetrain operation.

Benefits of using the complete BMW Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Keys

Choosing a complete control kit instead of individual components offers a number of practical benefits, especially in the case of modern Mini electronic systems:

• component consistency – the engine controller, CAS3 module, and keys come from a single system, which facilitates integration with the vehicle,
• reduction of programming work – less need for time-consuming coding and immobilizer adaptation,
• better diagnosability – easier tracking of potential faults within a single, matched set,
• maintenance of proper cooperation with the N12 petrol engine and manual transmission.

For workshops specializing in the Mini brand, such a kit provides a convenient base for a quick and organized repair of the engine control system, without the need to source electronics from multiple suppliers.

Characteristics of operation with a petrol engine and manual transmission

The control electronics in this kit have been configured for a petrol engine, which is crucial for the proper management of ignition, fuel injection, and cooperation with engine peripherals. This allows for maintaining stable engine operation, proper throttle response, and correct handling of OBD diagnostic functions.

Adaptation to a manual transmission means that the control logic accounts for the specifics of manual gear shifting, including how load and rotational speed information is transmitted. This is important for both driving dynamics and the durability of drivetrain components, as the controller can react appropriately to changes in engine operating conditions.

Condition, verification, and practical application

The components included in the kit are from the secondary market, which allows for an economical restoration of vehicle functionality while maintaining the original electronic architecture. A used BMW Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Keys is a good choice in situations where the factory controller has been damaged, communication issues with the CAS3 module arise, or there are difficulties with the system recognizing the keys.

To better assess when it is worth opting for used electronics, how to properly select an engine controller, and what to pay attention to during installation, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding repairs within Mini electronics

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 additional control modules, engine controllers, or auxiliary system controllers, check out the available parts in the Mini computers and controllers category.