BMW E93 LCI N53B30A 272HP Engine Control ECU DME Kit 7612455 Automatic

BMW E93 LCI N53B30A 272HP Engine Control ECU DME Kit is a complete, used electronic engine control unit kit designed for the 272 HP N53B30A petrol engine in the facelift (LCI) version with an automatic transmission. This solution is designed for precise engine management, ensuring parameter consistency and proper cooperation with the drivetrain. By maintaining the original DME architecture, the kit allows for professional repair or replacement of a damaged controller in accordance with BMW factory specifications.

Specifications and technical data

• SKU: 7612455-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7612455
• Substitutable numbers: 61359226238, 9226238, 12147616431, 7616431, 12147612455, 7612455, 5WK93750
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented DME engine control kit is dedicated to BMW 3 Series E93 LCI models with the N53B30A engine and automatic transmission. It is responsible for advanced control of the petrol unit's operation, including fuel injection, ignition, and communication with the vehicle's onboard systems. Using a complete DME kit minimizes the risk of software incompatibility and facilitates integration with the existing electrical installation. As an item from the Electronic control modules and controllers category, this product is crucial for the stable operation of the drivetrain, correct starting, and maintaining the proper operating parameters of the engine. A properly selected controller allows for the restoration of full vehicle functionality after an ECU failure or communication issues within the vehicle's network.

Compatibility, part numbers, and identification

The offered DME kit has an assigned OEM part number and a set of interchangeable numbers, which facilitates its clear identification and selection for a specific vehicle configuration. In practice, this means it is possible to match the controller both by the original number and by reference numbers used in BMW catalogs and by electronics manufacturers. For full compatibility with your car, it is worth verifying:

• the compatibility of the OEM part number with the currently installed controller,
• the compatibility of interchangeable numbers with service documentation or the parts catalog,
• the engine type (N53B30A) and body version (E93 LCI),
• the type of transmission used – in this case, automatic. This approach reduces the risk of installing an incorrect module and allows for maintaining proper communication with other electronic systems of the vehicle.

Operating parameters – petrol and automatic transmission

The controller has been designed to work with the petrol fuel system characteristic of the N53B30A engine and with an automatic transmission. This means that engine maps, gear-shifting strategies, and safety algorithms are adapted to the specifics of this drivetrain configuration. In practice, this translates into:

• correct synchronization of the engine with the automatic transmission,
• stable idle speed and smooth acceleration,
• maintenance of factory power and torque parameters,
• consistent cooperation with OBD diagnostic systems. Thanks to this, the DME kit provides a solid foundation for restoring the vehicle's stock driving characteristics after the failure of the original controller.

Practical application and installation recommendations

Due to the nature of the product as a used electronic module, installation and potential programming by a specialized service center dealing with BMW electronics are recommended. This allows for the correct adaptation of the controller to a specific car, including equipment, coding, and service history. Before purchasing, it is worth paying attention to:

• fuel type compatibility with the vehicle configuration,
• transmission type (automatic),
• the product's classification in the Electronic control modules and controllers group, which facilitates searching in catalogs. A properly prepared selection and installation process increases the chance of trouble-free operation after replacing the engine controller.

More solutions and knowledge about BMW electronics

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 controllers category. To better assess when choosing a used DME controller is justified and how to safely select electronics for your car, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?