BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU Kit DME 9894913 FEM + Key

BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU Kit DME FEM + Key is a specialized, used module from the Electronic control modules and controllers category, designed for advanced management of the powertrain. The controller is dedicated to the B58 petrol engine in combination with an automatic transmission, ensuring precise control of engine operating parameters and stable communication with other vehicle systems.

Specifications and technical data

• SKU: 9894913-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9894913
• Substitutable numbers: 61358709212, 8709212, 0261S21761, 9894913
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU Kit DME FEM + Key is designed for BMW F20 and F21 series models after the facelift (LCI) in M140i and M240i versions with the B58 engine. As a specialized Engine Control Unit, it is responsible for monitoring the combustion process, fuel injection, ignition control, and cooperation with the automatic transmission, which translates into smooth powertrain performance. The controller integrates with the vehicle's electronic architecture, communicating with other modules within the onboard network. This makes it possible to maintain proper dynamics, engine refinement, and compliance with the manufacturer's factory settings.

Benefits of using an original ECU in the BMW B58

Using a dedicated engine controller in a B58 unit with an automatic transmission allows for maintaining software consistency and operating parameters in line with the factory configuration. A properly selected ECU:

• supports the correct operation of the petrol engine with the injection and ignition system,
• enables the maintenance of manufacturer-intended driving modes and throttle response,
• ensures compatibility with safety and comfort systems that utilize data from the engine control unit. For owners of M140i and M240i models, this means the ability to restore proper powertrain operation after a failure of the previous controller, without the need for compromise solutions.

Technical characteristics and vehicle integration

As an element of the Electronic control modules and controllers category, this BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU Kit DME FEM + Key is adapted to operate in high thermal and electrical load environments typical for the B58 unit. The module's design allows for integration with the vehicle's wiring and the service software intended for this generation of BMW. The controller is designed for a petrol-powered engine and for configurations with an automatic transmission, which is important for matching control maps and gear-shifting logic. Properly matching the ECU to the specific vehicle specification is crucial to avoid communication errors between modules and improper engine operation.

Condition, application, and practical aspects

The offered set is a used item, which allows for an economical restoration of vehicle efficiency while maintaining the original electronic architecture. In practice, such a solution is often chosen for repairs following controller damage resulting from power surges, water ingress, or other electrical faults. Before installation, it is recommended to verify compatibility with the specific vehicle configuration and prepare for potential software adaptation at a specialized service center. This allows the controller to be matched to the car's equipment and the current software version.

Expanding the BMW control system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional control modules, engine management units, or auxiliary controllers, check out the available parts in the BMW electronic control modules and controllers category. For those interested in a broader approach to sourcing used electronic and mechanical components in one place, a guide describing the advantages of One-Stop-Shop purchases and the selection of original used parts may be helpful – more information can be found in the article on comprehensive supply of used car parts. If you want to better understand how original electronic modules influence the driving character and behavior of a premium brand, it is also worth reading the blog material on maintaining the Audi brand DNA using original used parts, which shows the importance of properly selected controllers and modules in modern cars.