BMW F30 F31 320i N20 184HP ECU Control Unit Kit DDE 7649131 Key FEM Automatic

BMW F30 F31 320I N20 184HP Engine Computer ECU DDE 7649131 FEM Key is a control set from the Electronic Control Modules and Controllers category, designed for the N20 gasoline engine paired with an automatic transmission. This kit enables professional repair of the engine control system in BMW 3 Series F30/F31 models, ensuring electronic consistency with the FEM key.

Specifications and technical data

• SKU: 7649131-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7649131
• Substitutable numbers: 12147649131, 7649131, 12148601159, 8601159, 12147643979, 7643979, 0261S08709, 0 261 S08 709, 61359314234, 9314234
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and Function of the BMW Engine Controller

The offered set includes an Engine Control Unit (ECU) along with the FEM key, allowing for the restoration of correct operation of the start system, security features, and engine control. The ECU is responsible for precise management of the gasoline engine's operation, including fuel delivery, ignition, and coordination with the automatic transmission.

This solution is dedicated to configurations featuring the 184 HP N20 gasoline engine and an automatic transmission, thus maintaining consistency between the powertrain parameters and the vehicle's electronics.

Benefits of Using the ECU DDE Set with FEM Key

Utilizing a complete control set offers a range of practical advantages:

• Electronic Consistency – The ECU and FEM key come from the same system, facilitating integration with the immobilizer and other modules.
• Restoration of Proper Starting – A correctly selected engine computer supports stable starting of the N20 unit and predictable powertrain behavior.
• Automatic Transmission Compatibility – The controller is designed to work with an automatic transmission, promoting smooth gear changes.
• Professional Diagnostic Base – The appropriate control module simplifies work for specialists in BMW electronics.

Application in Gasoline Systems and Automatic Transmissions

The presented engine computer for BMW 320i F30/F31 is designed to operate in a gasoline-powered system, which is crucial for proper mixture and ignition control. Simultaneously, its configuration accounts for cooperation with an automatic transmission, ensuring:

• Proper communication between the ECU and the transmission,
• Torque control is adapted to the gear shifting logic,
• The powertrain operates predictably under typical driving conditions.

Condition, Origin, and Identification Parameters

The product is from the BMW brand and is a used part, allowing for economical vehicle repair while maintaining the characteristics of the original module. The set has an assigned OEM part number and interchangeable numbers, which enable verification of compatibility with specific car configurations in service catalogs and parts selection systems.

The product description also includes information such as SKU, fuel type, transmission type, and ECU type, making it easier to match the controller to your specific BMW 3 Series model.

Selecting Other BMW Electronic Control Modules

If you also need other components from the BMW Electronic Control Modules and Controllers category, check availability in our assortment: BMW Electronic Control Modules and Controllers. This will help you easily complete the other modules necessary for a full repair of your car's electrical system.

More About Repairing Electronics in BMW 3 and 5 Series

Want to better understand how to properly approach the repair of engine controllers, FRM modules, or the iDrive system in BMW 3 and 5 Series using used parts? Read our guide: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?. This is a practical addition to your knowledge when planning electronic work on your BMW.