Mini F54 F55 F57 B38 136HP Petrol Engine Control ECU Kit DME 8691838 Manual

Mini F54 F55 F57 B38 136HP Petrol Engine Control ECU Kit DME is a specialized module from the Electronic control modules and ECUs category, designed for use with the 136 HP B38 petrol engine and a manual transmission. It is responsible for precise engine management, ensuring stable performance, correct fuel delivery, and communication with other Mini vehicle systems.

Specifications and technical data

• SKU: 8691838-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8691838
• Substitutable numbers: 8674258, 12148674258, 8655106, 12148655106, 9869880, 61359869880, 0261S18537, 0 261 S18 537, 9869885, 51359869885
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented DME controller is the central component of the engine management system in Mini models with the 136 HP B38 engine, paired with a manual transmission. The module controls, among other things, the combustion process, fuel dosage, ignition timing, and auxiliary equipment operation, which translates into proper dynamics, smooth operation, and compliance with factory control maps.

Thanks to its dedicated design for the petrol engine, it ensures consistency with the vehicle's factory electrical architecture, minimizing the risk of communication errors in the control network and facilitating service diagnostics.

Benefits of using an original Mini module

Using a DME controller compatible with the Mini F54, F55, and F57 platform allows for maintaining the factory performance parameters of the power unit. Proper matching to the fuel type and transmission supports:

• stable engine starting under various operating conditions,
• correct throttle response,
• consistent cooperation with safety and comfort systems,
• easier adaptation and coding during installation.

For workshops and users, this means a predictable installation process and the ability to use standard Mini service procedures, which reduces repair time and limits the risk of incompatibility.

Application in Mini vehicles with the B38 engine

The controller has been designed to work with the three-cylinder B38 136 HP petrol engine used in selected versions of the Mini F54, F55, and F57. Integration with a manual transmission allows for proper management of torque, engine protection functions, and communication with modules responsible for the drivetrain.

Such structural matching allows for maintaining factory driving characteristics and also facilitates subsequent computer diagnostics, as operating parameters are consistent with the manufacturer's service documentation.

Professional selection and installation of the controller

To fully utilize the capabilities of this DME controller, it is recommended to select it based on the OEM number and interchangeable numbers, as well as to verify compatibility with the specific vehicle configuration. In workshop practice, this means checking the engine version, transmission type, and additional equipment so that the module is correctly recognized in the control network.

When installing a used controller, proper coding and potential adaptation to the specific car are particularly important. You can find a detailed discussion of selection principles, hardware and software compatibility, and practical installation aspects in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as engine controllers, drivetrain management modules, or other electronic control units, check the available parts in the Mini electronic control modules and ECUs category.