Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual

Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME + CAS3 + Keys Manual is a complete electronic package designed for the 120 HP N12 unit, prepared for precise engine control system operation. The kit includes the engine control unit along with a matched key, which facilitates restoring vehicle functionality after an electronics failure or when replacing a damaged module. This solution allows for an efficient, technically correct repair without the need for tedious matching of individual components.

Specifications and technical data

• SKU: 7640005-8
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7640005
• Substitutable numbers: 12147589971, 7589971, 12147640005, 7640005, 12147589972, 7589972, 0261S04161, 0 261 S04 161, 61359147196, 9147196
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the kit

The presented kit belongs to the Electronic control modules and ECUs group and is dedicated to the 1.6 120 HP N12 petrol engine in the Mini R56 model. The ECU is responsible for managing the powertrain's operation – fuel delivery, ignition, and cooperation with other vehicle systems, while the included key ensures consistency with the immobilizer system. Because you receive both the control module and the key in one package, it is possible to reduce problems with coding and synchronization, which in practice shortens repair time and reduces the risk of incompatibility between individual electronic components.

Benefits of using the complete ECU + key kit

Using a complete control unit kit with a key in a Mini R56 with an N12 engine brings a number of practical service and operational benefits:

• consistency of components within the security and engine control system,
• reduction of the need for deep software intervention during adaptation,
• easier diagnostics and configuration compared to selecting individual modules,
• possibility of restoring correct powertrain operation after an electronics failure,
• maintaining engine performance characteristics in accordance with Mini factory specifications. For workshops and users, this means a more predictable repair process and a greater chance of quickly starting the vehicle after replacing a damaged control unit.

Integration with the drivetrain and transmission

The kit is intended for vehicles equipped with a manual transmission, which is important when selecting the control unit software and its cooperation with other vehicle modules. Proper matching to the transmission type affects the correct operation of functions related to torque, throttle response, and cooperation with safety systems. Proper ECU configuration for a manual transmission helps maintain the dynamic throttle response characteristic of a Mini and the predictable behavior of the car in various road conditions. This is especially important when replacing a control unit after a failure, when the goal is to reproduce factory engine operating parameters as accurately as possible.

Product characteristics and service application

The offered item is a Mini brand product, sourced from dismantling, which allows for an economical repair while maintaining the manufacturer's original specifications. This type of solution is often chosen by specialized workshops dealing with automotive electronics, especially for repairs after control unit damage, immobilizer problems, or communication errors in the vehicle network. In practice, the kit will work well for, among others:

• replacing a damaged ECU after an electrical failure or flooding,
• starting problems related to an inconsistent key–control unit system,
• the need to quickly restore vehicle functionality after unsuccessful programming attempts. By maintaining the original Mini architecture, such a set allows for more predictable results than randomly combining different modules from the secondary market.

Technical support and additional information

If you want to better understand how modern control modules work in premium segment cars and how to safely use dismantled parts for electronics repairs, it is worth reaching out for specialist materials. Practical tips on working with control modules, multimedia systems, and engine ECUs can be found in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts? If you are planning a comprehensive repair or upgrade of the engine electronics area in your Mini and need other elements from the same group, such as controllers, management modules, or related control systems, check the available parts in the Mini electronic control modules and ECUs category.