BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key

BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE CAS3 + Key is a factory electronic control unit designed for N47 diesel engines with 143 HP. This component from the Electronic control modules and controllers group is responsible for the precise management of diesel engine operation, ensuring stable power characteristics and proper integration with other vehicle systems. Thanks to its original design, the ECU is perfectly matched to the specifications of BMW 1 Series and 3 Series engines.

Specifications and technical data

• SKU: 7810001-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810001
• Substitutable numbers: 13617807828, 7807828, 13618506281, 13617812501 13617810001 13617811701 13617807143, 7812501 7810001 7811701 7807143, 13617807204 13617812001 13617809001 13617807529, 7807204 7812001 7809001 7807529, 13618508712 13617808403 13617806700, 8508712 7808403 7806700, 613
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine computer is designed to work with the 143 HP version of the N47 unit, used in BMW E81, E87 LCI, and E90 models powered by Diesel fuel. The controller is responsible for:

• controlling the fuel injection process in the diesel engine,
• managing engine operating parameters under various load conditions,
• coordinating the engine's interaction with the vehicle's other electronic systems. As a result, this ECU allows for maintaining the proper performance, refinement, and torque characteristics typical for N47 engines in the 118d and 318d versions.

Benefits of using an original BMW ECU

Using an original controller from the Electronic control modules and controllers group ensures consistency with BMW's factory electronic architecture. In practice, this means:

• retaining factory engine control maps,
• proper communication with the vehicle's wiring and other modules,
• reduced risk of diagnostic errors compared to aftermarket replacements. This solution is particularly beneficial for powertrain repairs when maintaining the original operating parameters of the diesel unit is a priority.

Product characteristics and service application

The offered engine computer is a BMW brand component intended for diesel vehicles. It is suitable for both standard replacement of a faulty controller and advanced repairs of the injection system or engine electronics. The product is sourced from dismantling, which allows for an economical restoration of the control system's efficiency while maintaining original specifications. In practice, such a controller is often chosen by workshops specializing in the BMW brand that require a compatible module for further configuration and adaptation in the customer's vehicle.

Selection and group of compatible controllers

This ECU has a dedicated OEM part number and an extensive list of interchangeable numbers, which facilitates matching it to a specific vehicle configuration. The presence of multiple reference numbers allows service centers and users to precisely select the controller for the engine version, model year, and vehicle equipment without having to resort to unreliable replacements. Before purchasing, it is recommended to verify compatibility with your vehicle based on manufacturer data or service documentation to ensure proper operation with the electrical system and other control modules. 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 additional controllers, engine management modules, or electronic control systems, check out the available parts in the BMW electronic control modules and controllers category.

The importance of original modules in modern powertrains

Modern diesel units, such as the N47, are highly dependent on properly functioning electronics. A correctly selected engine computer allows for maintaining stable operating parameters and facilitates diagnostics and service. In the context of other premium brands, the role of original control modules has been discussed in more detail in an article dedicated to preserving the character of high-end cars – you can find more on this topic in the post Audi and pure emotion. How do used parts help maintain the brand's DNA?.