BMW MINI Cooper R50 W10 116HP Petrol Engine ECU Kit EWS3 Key 7547286 Automatic

BMW MINI Cooper R50 W10 116HP Petrol Engine ECU Kit EWS3 Key Automatic is a complete electronic set designed for the petrol engine control system in the automatic transmission version. The kit includes the engine control unit (ECU) along with the EWS3 module and a matched key, which facilitates restoring the proper operation of the powertrain electronics without the need for time-consuming programming. This is a practical solution for workshops and users who want to efficiently resolve issues with vehicle starting or communication within the immobilizer system.

Specifications and technical data

• SKU: 7547286-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7547286
• Substitutable numbers: 12147547286, 12147562626, 7547286 7562626, 12147542310 7542310, S118012003 61356934529 6934529, 12147544850 12147545812 12147557406, 12147553712 12147544836 12147557395, 7562626, 7544850 7545812 7557406, 7553712 7544836 7557395
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and function of the ECU with EWS3 kit

The presented kit belongs to the Electronic control modules and controllers group and is designed for use with the petrol engine in the MINI Cooper R50 model with the 116 HP W10 unit, equipped with an automatic transmission. The combination of the engine controller with the EWS3 module and the key ensures consistency of immobilizer data, which is crucial when replacing the ECU in modern powertrain systems.

The kit enables the restoration of proper communication between the engine, the security system, and the automatic transmission, which has a direct impact on stable engine starting, correct fuel dosing, and cooperation with other vehicle systems.

Benefits of using a complete ECU + EWS3 + key kit

Choosing a complete control kit instead of a single module significantly simplifies the service process. In practice, this means:

• minimizing the risk of problems with matching the immobilizer and key,
• reducing the need for advanced programming in the vehicle,
• data consistency within the engine controller and the EWS3 module,
• greater predictability of the repair result compared to mixing different sets.

For workshops specializing in the Mini brand and for users looking for a proven solution, such a set is a convenient way to restore the proper operation of the powertrain after an electronics failure or an unsuccessful coding attempt.

Technical characteristics regarding fuel and transmission

The offered kit is designed for an engine powered by petrol, which is important when selecting injection maps, ignition timing, and engine operating strategies. Its application in the automatic transmission version means that the controller is prepared to work with gear shift logic, torque control, and communication with the transmission module, which is essential for driving smoothness and the correct operation of automatic transmission modes.

Selecting the right ECU kit for a specific powertrain configuration is crucial to avoid CAN communication errors, starting problems, or incorrect operation of the automatic transmission's adaptive functions.

Condition, origin, and fitment for MINI

The kit comes from a Mini vehicle and is part of the original electronic architecture of this model. As a used part, it is a cost-effective solution for accident repairs, replacing a damaged controller after flooding, or internal electronics failure. Proper matching to the specific engine and automatic transmission version allows for maintaining the factory control logic and engine performance characteristics.

Before installation, it is recommended to verify the vehicle configuration compatibility and perform standard diagnostic procedures to ensure that the kit meets the requirements of the specific MINI Cooper R50 unit.

Support in choosing electronics and related products

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, comfort modules, or transmission controllers, check the available parts in the Mini electronic control modules and controllers category.

To better understand when choosing a used engine controller or security module is justified, it is worth reading the guide: The second life of electronics – when is it worth opting for used engine controllers, comfort modules, and parking sensors?

Additional tips on safely purchasing used electronic components online, including verifying the seller and selecting parts by part numbers, are also provided in the practical guide: Safe purchase of used car parts online – a step-by-step guide.