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

BMW F20 F21 LCI F22 M140i B58 340HP Engine ECU KIT DME FEM + Key is a professional solution for workshops and users who need a verified, used engine electronics set for BMW F20, F21 LCI, and F22 models. By maintaining the consistency of the components included in the set, you minimize the risk of issues with coding, immobilizer synchronization, and engine startup, which translates into more efficient repairs and stable vehicle operation.

Specifications and technical data

• SKU: 9894913-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9894913
• Substitutable numbers: 9894913, 12149470885, 9470885, 0261S21761, 0 261 S21 761, 61358733501, 8733501
• Category: ECUs & Computer Modules

Purpose and compatibility of the BMW F20 F21 LCI F22 M140i B58 340HP Engine ECU KIT DME FEM + Key

The presented set is dedicated to the 340 HP B58 petrol engine installed in the BMW M140i in F20, F21 LCI, and F22 body styles. It includes the engine ECU DME, the FEM module, and the key, which allows for maintaining the integrity of the security system and comfortably transferring the electronics to another vehicle within the same model family.

A set configured in this way is particularly useful for:

• replacing a damaged engine controller after an electrical or mechanical failure,
• swapping a 340 HP B58 engine between vehicles within the F-series,
• resolving issues with the immobilizer and communication between modules in cars after a collision or flooding.

Benefits of using an original engine electronics set

The original ECU DME set with the FEM module and key ensures consistency of software and factory configuration, which significantly facilitates the adaptation process in the vehicle. In practice, this means:

• retaining the correct control maps for the 340 HP B58 engine,
• proper cooperation with other onboard modules,
• reducing the need for deep programming from scratch.

For workshops specializing in the BMW brand, this solution allows for shorter diagnostic and installation times, as well as a reduction in the number of potential communication errors between modules.

Electronic control modules and controllers in BMW – the role of the DME + FEM set

The product belongs to the Electronic control modules and controllers category, which are key components responsible for managing engine operation and integration with comfort and security systems. In the case of modern BMW F-series models, the cooperation of the DME controller with the FEM module and a properly coded key is essential for:

• engine start authorization,
• handling comfort access and start functions,
• proper operation of safety systems linked to the vehicle's electronics.

A used, complete set allows for recreating this architecture in another body or after a major electronics failure, while maintaining the operating logic intended by the manufacturer.

Condition, installation, and service recommendations

The set comes from dismantling and is offered as a used engine electronics kit, which is a cost-attractive solution compared to purchasing new modules. Before installation, it is recommended to:

• perform a full vehicle diagnostic for CAN communication errors,
• check the electrical wiring and connectors for mechanical damage or signs of corrosion,
• entrust the adaptation and any necessary programming to a specialized BMW service or a workshop with experience in this brand's electronics.

Such an approach allows you to fully utilize the potential of the set and ensure stable, predictable operation of the 340 HP B58 engine in daily use.

More knowledge about BMW electronic modules

If you want to better understand how to take care of the engine controller, comfort modules, and iDrive system in vehicles of this brand, and how to safely use parts from dismantling, read the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using parts from dismantling?. This is a practical source of knowledge for mechanics and conscious BMW users.

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 body control units, check out the available parts in the BMW electronic control modules and controllers category.