Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME 7545789 Automatic

Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME is a factory electronic engine control unit designed for petrol versions with an automatic transmission. The component belongs to the Electronic control modules and controllers group, which guarantees full integration with the vehicle's electrical system and proper cooperation with other systems. A used controller is a reasonable service solution, allowing for the restoration of the powertrain's efficiency while maintaining cost-effective repair expenses.

Specifications and technical data

• SKU: 7545789-11
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7545789
• Substitutable numbers: 7545789, 12147545789, 7557395, 12147557395, 7527610, 12147527610, 7514587, 12147514587, 7513981, 12147513981, 7520019, 12147520019, 7539808, 12147539808, 7513983, 12147513983, 7553735, 12147553735, 7512798, 12147512798, 7542310, 12147542310, S122237002
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the controller

The engine computer in the Mini Cooper R50/R52 with the W10 unit is responsible for precise control of the petrol engine's operation in a configuration with an automatic transmission. Based on signals from sensors, it manages fuel injection, ignition, auxiliary equipment operation, and communication with other modules in the vehicle. A correctly selected controller ensures stable idle speed, proper throttle response, correct gear shifting, and compliance with factory engine operating maps.

This component is crucial in cases of symptoms such as starting problems, unstable idle operation, communication errors in the vehicle network, or malfunctions of the automatic transmission. Replacing it with a functional module often allows avoiding costly, long-term diagnostics spread across many components.

Compatibility and reference numbers

The offered controller belongs to the group of original Mini solutions, which facilitates selection based on the OEM part number and available interchangeable numbers. This allows for precise matching of the module to a specific equipment configuration, engine version, and transmission type. In practice, this means a lower risk of communication problems in the vehicle network, errors in the operation of onboard systems, or the need for additional installation modifications.

Before purchasing, it is worth comparing the markings with the currently installed controller or using professional verification via the VIN number. This allows for confirming hardware and software compatibility, which is particularly important in the case of modules responsible for engine operation.

Characteristics of the used controller

As a used component, the Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME represents an economical alternative to a new module, while maintaining the factory design and original electronics architecture. This type of solution is often chosen in professional workshops when cost-effectiveness and the ability to quickly restore full vehicle functionality are prioritized.

Before installation, it is recommended to perform standard service procedures, such as potential software matching, adaptation to the immobilizer, or synchronization with other vehicle modules – in accordance with the manufacturer's procedures and the specific car's equipment. A correctly performed installation allows for trouble-free operation and stable performance of the powertrain.

Benefits of using an original Mini module

Using an original controller from the Electronic control modules and controllers group in the Mini Cooper R50/R52 brings a number of practical benefits:

• preservation of factory control logic for the petrol engine and automatic transmission,
• reliable fitment to the electrical installation and the vehicle's communication network architecture,
• possibility of diagnostics and software updates using standard service tools,
• reduction of the risk of incompatibility typical for low-quality replacements.

For workshops and users, this means a faster repair process, predictable vehicle behavior after installation, and easier service maintenance in the future.

Support with selection and additional information

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 controllers, engine management modules, or electronic monitoring systems, check the available parts in the Mini electronic control modules and controllers category.

When making a decision about installing a used engine computer, it is worth familiarizing yourself with practical tips regarding the selection and operation of automotive electronics – especially in the context of controllers, comfort modules, and sensors. This topic is discussed in more detail in the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

In summary, Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME is a professional service solution for petrol versions with an automatic transmission, allowing for the effective restoration of proper powertrain operation while maintaining factory control logic and compatibility with other vehicle systems.