BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys

BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys is a specialized component from the Electronic control modules and controllers category, designed for BMW vehicles equipped with the N47 diesel engine. This solution allows for the restoration of proper operation of diesel engine control systems while maintaining the factory performance characteristics of the powertrain.

Specifications and technical data

• SKU: 7810000-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810000
• Substitutable numbers: 13618512587 13617810000 0281015075 61359147196, 8512587, 7810000, 0 281 015 075, 9147196
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented computer module is dedicated to BMW 1 Series E81/E87 and 3 Series E90 LCI models in 120d and 320d versions with the N47 engine, powered by Diesel fuel. It is responsible for advanced control of the powertrain, including processing sensor signals, monitoring fuel injection, and coordinating with other electronic systems of the vehicle. By using an original controller from this group, the engine management system retains the correct operating maps, which translates into stable engine performance, predictable throttle response, and proper operation of OBD diagnostic systems.

Benefits of using an original BMW module

Using a computer module from the same family as the factory-installed component helps reduce the risk of software compatibility issues and data bus communication errors. This is particularly important in modern diesel units, where the engine controller interacts with many components, such as the fuel injection system, emission reduction systems, or comfort modules. Key advantages include:

• maintaining engine operating parameters in accordance with the manufacturer's specifications,
• proper integration with the factory electrical installation and vehicle electronics,
• compatibility with standard BMW service tools for diagnostics and programming,
• reduced risk of communication errors and coding mismatches.

Technical characteristics and application

The module belongs to the Electronic control modules and controllers group, meaning it is a central element for managing the operation of the diesel engine. It has been designed with the specific requirements of N47 units in mind, including precise control of Diesel fuel injection and monitoring of operating parameters under various load conditions. The product is offered as used, which allows for an economical vehicle repair while maintaining the original electronic architecture. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and prepare for potential programming or adaptation in the vehicle.

Professional use in service and workshop

This computer module is suitable for both professional BMW service centers and specialized independent workshops that handle E81, E87, and E90 LCI models with N47 engines. It enables repairs related to engine controller failure, ECU communication issues, or the need to replace a damaged module following electrical system interference. Thanks to its original design, the module provides a solid foundation for further configuration, coding, and matching to a specific vehicle, which is crucial for the proper operation of all systems linked to the powertrain.

Expanding the control system in BMW

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

More about the role of original modules in modern cars

The importance of properly selected controllers and electronic modules in modern premium cars is well illustrated by an article dedicated to the Audi brand, which describes the impact of original components on preserving the car's character and its multimedia systems – you can find more on this topic in the material Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.