Mini F54 F55 F57 B38 136HP Petrol Engine Control ECU Kit DME 8674258 Automatic

ECU DME Engine Control Unit Kit for Mini F54, F55, F57 with B38 136 HP engine is a precisely selected set designed for cars with a petrol engine and an automatic transmission. The product comes from the Electronic Control Modules and Units group, which guarantees proper compatibility with the vehicle's factory electrical and logical architecture.

Specifications and technical data

• SKU: 8691838-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8691838
• Substitutable numbers: 8674258, 12148674258, 8655106, 12148655106, 9869880, 61359869880, 0261S18537, 0 261 S18 537
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and Function of the ECU DME Kit

The presented engine control unit kit is designed to work with the three-cylinder B38 engine with 136 HP in Mini F54, F55, and F57 models. It is responsible for the comprehensive management of the petrol engine's operation, including injection control, ignition, and cooperation with the auxiliary systems responsible for driving safety and comfort.

The version dedicated to vehicles with an automatic transmission ensures correct communication between the engine control unit and the gearbox module, which translates into smooth gear changes, stable idling, and predictable responses to accelerator pedal input.

Benefits of Using an Original Control Module

Choosing an original ECU DME kit for Mini allows you to maintain software consistency and operating parameters with the manufacturer's factory settings. Thanks to this:

• the correct power and torque characteristics of the B38 unit are maintained,
• the control unit correctly interacts with the vehicle's onboard systems,
• compatibility with the diagnostic system and service procedures is preserved.

This solution is particularly recommended when replacing a damaged control unit after an electrical failure, communication problems via the bus, or errors related to the petrol engine's operation.

Technical Characteristics for Engine and Transmission

The ECU DME kit is configured to work with the petrol fuel system, which means appropriate injection maps, ignition timing, and protective strategies for this powertrain. Using it in a vehicle with a different fuel type would be inconsistent with its intended purpose and could lead to improper engine operation.

Adaptation for an automatic transmission includes appropriate algorithms for cooperation with the gearbox, including torque management during gear changes and communication with other electronic modules responsible for the drivetrain. This is important for restoring the vehicle's full functionality after replacing the control unit.

Application in Service and Diagnostics

This engine control unit kit is suitable for both standard replacement of a damaged ECU and for more complex repairs of the electrical system in Mini F54, F55, and F57 models. It can be used in workshops specializing in automotive electronics, as well as by advanced users who have the appropriate diagnostic equipment for module adaptation and coding.

By maintaining the factory control architecture, it is possible to continue using advanced diagnostic functions, software updates, and adaptation procedures provided by the vehicle manufacturer.

Product Condition and Installation Aspects

The offered kit comes from a used vehicle, allowing for economical repair while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and prepare for potential programming and immobilizer matching procedures.

A correctly selected and configured ECU DME engine control unit enables the restoration of full powertrain functionality, reduction of errors stored in module memory, and stable, predictable operation of the petrol engine in daily use.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other parts from the same group, such as additional control units, engine management modules, or powertrain control systems, check the available parts in the Mini Electronic Control Modules and Units category.

To better understand the specifics of modern control modules and compare solutions used in different brands, it is worth reading the guide on our blog: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?