BMW F20 F21 114i N13 102HP Engine ECU Kit DME 7640755 Key + FEM + Lock Manual

BMW F20 F21 114i N13 102HP Engine ECU Kit DME Key + FEM + Lock Manual is a complete engine control set designed for petrol versions of the BMW 1 Series with a manual transmission. The kit includes the DME engine control unit along with the FEM module, key, and lock, which facilitates seamless electronic adaptation in the vehicle. This solution allows for a technically correct replacement of the control system without the need for tedious matching of individual components.

Specifications and technical data

• SKU: 7640755-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640755
• Substitutable numbers: 7640755, 12147640755, 8638198, 12148638198, 8610484, 12148610484, 7636292, 12147636292, 7634297, 12147634297, 7607725, 12147607725, 8625241, 12148625241, 8614302, 12148614302, 8603352, 12148603352, 0261S08333, 0 261 S08 333, 9303546, 61359303546
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME kit

The presented kit is dedicated to BMW F20 and F21 114i models with the N13 engine producing 102 HP, powered by petrol and equipped with a manual transmission. The DME controller is responsible for precise management of the engine's operation, including fuel injection, ignition, and communication with other electronic modules of the vehicle. Integrating it with the FEM module, key, and lock ensures the consistency of the immobilizer system and BMW's factory security logic.

Benefits of using the complete DME + FEM + key + lock kit

Using a complete engine control unit kit with associated body electronics significantly simplifies the process of repairing or replacing a damaged system. In practice, this means:

• maintaining compatibility between the engine controller and the FEM module responsible for comfort and security functions,
• a matched key that works with the vehicle's electronics,
• a set prepared for further configuration by a specialized workshop.

This reduces the time required for programming and synchronizing individual components, which is particularly important for advanced electronic control modules and ECUs used in modern BMWs.

Application in BMW service and diagnostics

The complete ECU DME kit with the FEM module, key, and lock is a practical solution for workshops specializing in the BMW brand and for users who want to restore full engine control system functionality after an electronics failure. The kit can be used both when replacing a damaged controller and for more complex work related to diagnosing engine starting problems, module communication, or security system errors. The consistency of the elements in one set minimizes the risk of incompatibility between individual modules.

Characteristics of the used product

The offered kit comes from dismantling, which means it is an original BMW component with its factory design and operating parameters preserved. A used engine controller along with the FEM module and key is a frequently chosen solution when the goal is to maintain the original electronic architecture of the vehicle while reducing repair costs. Such components are often used by workshops that value the ability to quickly restore functionality without having to wait a long time for new parts.

Integration with other BMW modules and service knowledge

When working with advanced BMW engine controllers, it is worth using reliable knowledge about the integration of iDrive, FRM, or other onboard electronics. To better understand how to effectively use dismantled parts for repairs of the 3 and 5 Series, it is worth reading the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts?, which discusses a practical approach to working with BMW electronic 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 engine controllers, comfort modules, or engine management systems, check the available parts in the BMW electronic control modules and ECUs category.