Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7823934 CAS3 + Key Manual

Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE CAS3 + Key Manual is a specialized electronic control module designed for Mini diesel units with a manual transmission. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable operating characteristics and proper communication with other vehicle systems. By utilizing the original Mini architecture, the controller maintains the factory performance parameters of the powertrain.

Specifications and technical data

• SKU: 7823934-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7823934
• Substitutable numbers: 13617823934, 7823934, 13617807221, 7807221, 13617808744, 7808744, 13617810909, 7810909, 13617808778, 7808778, 13617807808, 7807808, 13617809794, 7809794, 13617808454, 7808454, 0281015233, 0 281 015 233, 61359226238, 9226238
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The engine controller ECU in the version for Diesel units with a manual transmission is responsible for comprehensive control of the combustion process, fuel dosing, and interaction with engine peripherals. The module analyzes signals from sensors, processes them in real-time, and sends appropriate commands to actuators, which translates into correct dynamics, smooth operation, and compliance with factory control maps.

The version dedicated to the manual transmission is optimized for torque characteristics and load response to maintain predictable vehicle behavior during gear changes and while driving in various road conditions.

Benefits of using an original Mini module

Choosing a controller from the OEM Mini family ensures:

• preservation of factory engine control logic without the need for electrical system modifications,
• proper cooperation with other electronic modules in the vehicle,
• consistency with original diagnostic and service software,
• stable engine performance parameters across the full load range.

As a result, the controller provides a functional solution both for replacing a damaged ECU and for restoring full powertrain efficiency after an electronics failure.

Technical characteristics and compatibility

The presented module belongs to the Electronic control modules and controllers group, designed specifically for Mini vehicles with a diesel engine. The ECU design is prepared for integration with the wiring harness intended for manual transmissions, facilitating installation with existing wiring and engine peripherals.

The presence of dedicated part numbers and interchangeable numbers allows for precise verification of compatibility with a specific vehicle configuration. Before purchasing, it is recommended to compare the markings in the technical specification with the vehicle data to ensure full compatibility and avoid issues during controller adaptation.

Product condition and service application

The module is offered as a used component, which allows for an economical restoration of the engine control system while maintaining the original Mini architecture. This type of solution is often chosen by professional workshops specializing in automotive electronics, where both repair costs and compliance with factory solutions are prioritized.

The controller is suitable for situations where the existing ECU has suffered electronic damage, communication issues exist within the vehicle network, or a module replacement is necessary as part of advanced diesel engine fault diagnostics.

Expansion of the control system in Mini

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as additional control modules, auxiliary controllers, or electronic management units, check out the available parts in the Mini electronic control modules and controllers category.

For a comparison of solutions used in other premium brands and a better understanding of the role of original modules in maintaining the car's character, it is worth reading the blog article Audi and pure emotion. How do used parts help maintain the brand's DNA?, which discusses the importance of factory electronic components in modern cars.