£BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE 7823422 CAS3 Keys

BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE CAS3 Keys is a specialized electronic control module designed for N47 diesel units in compact and mid-size BMW models. As part of the Electronic control modules and ECUs group, it is responsible for precise management of the diesel engine's operation, including fuel injection, combustion parameters, and communication with other vehicle systems. This used OEM controller is a solution that allows for a technically correct repair of the powertrain while maintaining factory operating logic.

Specifications and technical data

• SKU: 7823422-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823422
• Substitutable numbers: 13618577664, 8577664, 13618506375, 8506375, 13618510592, 8510592, 13618506433, 8506433, 13617823423, 7823423, 13617823422, 7823422, 13618506434, 8506434, 13618512499, 8512499, 13617812540, 7812540, 13618518167, 8518167, 0281014573, 0 281 014 573, 61359147226, 9147226, KZ
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the N47 engine controller

The engine controller in the version dedicated to N47 units in the BMW 1 Series (E81, E87) and the facelifted 3 Series (E90 LCI) is responsible for coordinating key processes in the diesel engine. The module analyzes signals from sensors, controls fuel injection, manages auxiliary equipment, and communicates with other electronic modules in the vehicle. This ensures stable engine operation, proper throttle response, and compliance with factory control maps for the diesel engine.

Benefits of using an original BMW module

Using an original controller from the Electronic control modules and ECUs group ensures:

• preservation of factory operating parameters for the N47 engine,
• proper cooperation with the electrical system and other modules in the vehicle,
• consistency with BMW diagnostic software,
• the possibility of professional adaptation and coding in accordance with the manufacturer's requirements.

Choosing a used OEM controller is a solution that allows for a technically correct repair of the engine control system while maintaining high build quality and compatibility with the vehicle's factory architecture.

Application in N47 diesel engines

The presented controller is intended for Diesel power units, meaning its hardware design and software have been prepared for the specific operation of BMW N47 diesel engines. The module supports features characteristic of this unit, such as precise injection control, combustion parameter monitoring, and cooperation with exhaust emission systems. As a result, it is the right choice when replacing a faulty controller in BMW 1 and 3 Series vehicles with this engine type.

Condition, origin, and installation aspects

The offered engine controller is a used part, sourced from disassembly, which allows for an economical yet technically correct repair of the control system. Before installation, the module must be verified for compatibility with the specific vehicle configuration and prepared for operation through appropriate coding or programming in accordance with BMW procedures. A properly selected and configured controller allows for the restoration of full powertrain functionality without the need for modifications to the electrical system.

Selection, compatibility, and interchangeable numbers

The engine controller designed for the BMW E81, E87, and E90 LCI with the N47 unit has a dedicated OEM part number and a set of interchangeable numbers, which facilitates the selection of the correct module for a specific vehicle version. When choosing, it is worth using the manufacturer's markings, data from BMW catalogs, and information from diagnostic systems to ensure full hardware and software compatibility. The presence of reference numbers allows for the safe use of modules from different model years and configurations, provided they are designated as interchangeable by the manufacturer.

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 auxiliary systems, check out the available parts in the BMW electronic control modules and ECUs category.

To better plan the repair of the electronic system in your BMW 3 or 5 Series, including the iDrive system, FRM modules, and engine controller, it is worth reading the practical tips on using salvaged parts in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models.