Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual

Mini One R50 W10 90HP Engine Computer DME 7545789 is a factory original Engine Control Unit (ECU) designed for the petrol version of the Mini One R50 with a W10 engine and manual transmission. This component, part of the Electronic Control Modules and Units category, is responsible for precise engine management, ensuring stable power characteristics and correct operation with auxiliary systems. A used DME controller is a sensible service solution, allowing for the restoration of full powertrain functionality while maintaining compatibility with the vehicle's factory architecture.

Specifications and technical data

• SKU: 7545789-7
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7545789
• Substitutable numbers: 12147557395, 7557395, 12147527610, 7527610, 12147514587, 7514587, 12147513981, 7513981, 12147545789, 7545789, 12147520019, 7520019, 12147539808, 7539808, 12147513983, 7513983, 12147553735, 12147512798, 12147542310, 12147562616, S83293, S1222370002, 12147545802, 61356934529
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Function of the DME Controller

The presented engine computer is dedicated to the petrol Mini One R50 with a 90 HP W10 unit, paired with a manual gearbox. The DME controller manages key engine operating parameters such as fuel injection, ignition timing, and starting strategy, as well as coordinating with sensors and actuators in the engine bay. This ensures the powertrain maintains stable RPMs, proper throttle response, and predictable behavior under various load conditions.

Compatibility, Replacement Numbers, and OEM Selection

The offered controller is part of Mini's original solutions, which simplifies matching it to a specific vehicle configuration. The module has an assigned OEM part number and an extensive list of interchangeable numbers, increasing the options for selecting the correct variant depending on the year of manufacture and equipment version. When planning a replacement, it is advisable to verify compatibility by OEM number and reference numbers, and also consider the fuel type and gearbox type to maintain full engine control system functionality.

For users who wish to deepen their knowledge on selecting used controllers and other electronic components, a guide describing the principles of matching by VIN, OEM numbers, and hardware/software compatibility will be useful – details can be found in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.

Benefits of Using a Used Engine Controller

Using a used DME engine computer in a Mini One R50 allows for an economical repair of the control system while maintaining the vehicle's original electrical architecture. This type of module, after correct matching and potential software adaptation, enables:

• restoring correct starting and stable operation of the petrol engine,
• maintaining proper cooperation with the manual gearbox,
• preserving compatibility with the existing electrical system and sensors,
• reducing service costs compared to purchasing a new controller.

For workshops and individual users, this means the possibility of efficient vehicle repair while maintaining the engine's factory operating parameters, which is particularly important for modern injection systems and complex electronics.

Practical Installation and Operational Tips

Before installing the DME controller, it is recommended to verify compatibility with the vehicle based on the OEM part number and the list of interchangeable numbers, as well as confirming that the module comes from a petrol version compatible with a manual gearbox. In most cases, adaptation procedures or programming using an appropriate diagnostic tester will be necessary to match the controller to the immobilizer and the specific equipment configuration of the Mini One R50. A correctly selected and configured module will ensure consistent operation of all engine-related systems, including OBD diagnostics and safety functions.

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