BMW F30 F31 320iX N20 ECU Kit Engine Control Unit DME 8674937 Key FEM Automatic

BMW F30 F31 320iX N20 ECU Kit Engine Control Unit DME Key FEM Automatic is a complete engine control kit designed for BMW 3 Series F30/F31 models equipped with the N20 engine, xDrive all-wheel drive, and an automatic transmission. The kit includes the engine control module and the components necessary for proper integration with the immobilizer system and vehicle electronics, facilitating professional replacement in the event of a failure. This solution allows for the restoration of proper powertrain operation while maintaining factory control logic.

Specifications and technical data

• SKU: 8674937-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8674937
• Substitutable numbers: 8674937, 8692971, 12148692971, 8655734, 12148655734, 8681106, 12148681106, 8664546, 12148664546, 8676533, 12148676533, 0261S16691, 0 261 S16 691, 61359395173, 9395173
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented ECU kit is part of the Electronic control modules and controllers category, responsible for managing the operation of the N20 gasoline engine in the BMW F30/F31 320iX. The DME controller analyzes sensor signals, coordinates fuel injection, ignition, and communication with the xDrive system and automatic transmission, ensuring consistent operation of the entire powertrain. Integration with the FEM module and key ensures compatibility with the vehicle's factory security system.

Compatibility with the powertrain and automatic transmission

The kit has been prepared for use with the automatic transmission in the 320iX version, which is crucial for proper communication between the engine controller, transmission module, and driver assistance systems. The appropriate DME software accounts for the characteristics of the automatic transmission, resulting in smooth gear shifts, stable operation under load, and correct throttle response. Consequently, this kit is an ideal basis for repairing vehicles where the original controller or related components have been damaged.

Advantages of using a complete DME kit with FEM and key

Choosing a complete ECU kit with the FEM module and key reduces issues related to electronics matching and immobilizer programming. In practice, this means:

• consistency of components from a single donor vehicle,
• simplified configuration during installation and adaptation,
• preservation of security system integrity,
• the ability to restore proper engine start and operation after an electronics failure.

For workshops specializing in the BMW brand, such a kit is a practical service solution that helps reduce diagnostic and repair time.

Product characteristics and service application

The product comes from the BMW brand and is part of the vehicle's original electronic architecture, which helps maintain factory engine performance parameters and compatibility with other modules in the vehicle's network. As a used part, the kit is primarily intended for service applications in vehicles where the DME controller, FEM module, or key authorization has failed. With proper installation and configuration, it can be a cost-effective alternative to purchasing new electronic components.

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

Technical support and selection of used controllers

When working with vehicle electronics, it is crucial to understand how original modules affect the car's character and its behavior on the road. In the context of selecting used controllers and other electronic components, it is worth reading material describing the importance of original components in maintaining the brand's character – more information can be found in the article Audi and pure emotion. How do used parts help maintain the brand's DNA?, which clearly shows why properly selected electronic modules are just as important in other premium brands.