BMW MINI Cooper S R52 W11 170HP Petrol Engine ECU Kit EWS3 + Key 7545822 Manual

BMW MINI Cooper S R52 W11 170HP Petrol Engine ECU Kit EWS3 + Key Manual is a complete engine control unit kit designed for the petrol version with a manual transmission. It includes the engine controller along with the EWS3 module and a matched key, which facilitates restoring the proper operation of the electronic system after a failure or when replacing the power unit. By maintaining component consistency, the kit ensures stable communication within the vehicle's electrical installation and smooth engine starting.

Specifications and technical data

• SKU: 7545822-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7545822
• Substitutable numbers: 12147545822 S122237002 61356941986, 7545822 S122237002 6941986, 12147562636 12147544860 12147547936, 12147542782 12147553722 12147557416, 12147547296, 7562636 7544860 7547936, 7542782 7553722 7557416, 7547296, 12147545789 7545789, 12147557395 7557395
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Control Modules

Purpose and function of the ECU kit with EWS3

The presented kit belongs to the Computers and Controllers category and is dedicated to Mini vehicles in the Cooper S R52 version with a petrol engine. It contains an engine controller that works with the EWS3 module and a key, which allows for maintaining immobilizer compatibility with the vehicle's electronics. This configuration reduces the risk of start authorization issues and eliminates the need for time-consuming matching of individual components.

Compatibility with petrol engine and manual transmission

The kit has been designed to work with a petrol-powered engine, which means properly selected control maps and logic for the injection and ignition system. Adaptation to a manual transmission ensures correct handling of signals related to clutch position, rotational speed, and engine load, which translates into stable operation during gear changes and predictable throttle response.

Advantages of using a complete ECU + EWS3 + key kit

Using a complete controller kit with an EWS3 module and key allows for reducing the number of potential failure points in the electronic system. In practice, this means:

• consistency of immobilizer data between the controller, security module, and key,
• reduced risk of communication errors in the vehicle network,
• easier diagnostics and configuration after installation,
• the ability to efficiently restore the starting function after damage to the previous controller.

For workshops and users, this means a more predictable repair process and a reduction in the time required to match the electronics.

Characteristics of the used product

The offered kit is a used item, which allows for significantly lowering repair costs compared to purchasing a brand-new controller. At the same time, the original architecture of the system is preserved, so installation in a Mini vehicle does not require interference with the wiring harness. This solution is particularly beneficial for repairing vehicles used on a daily basis, where a reasonable balance between cost and functionality is important.

Expert support and electronics selection

If you want to better understand when choosing a used engine controller is justified and how to safely select such an element for your car, it is worth reading our guide: Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. The article discusses practical aspects of selecting recycled electronics, which facilitates making an informed purchasing decision.

If you are planning a comprehensive repair or upgrade of the engine control area in your Mini and need other elements from the same group, such as additional control modules, ECU units, or auxiliary controllers, check the available parts in the Mini Computers and Controllers category.

Summary

BMW MINI Cooper S R52 W11 170HP Petrol Engine ECU Kit EWS3 + Key Manual is a practical solution for users and workshops looking for a complete, original control kit for the petrol version with a manual transmission. Combining the controller, EWS3 module, and key in one package simplifies the installation process, reduces the risk of immobilizer issues, and allows for effectively restoring the efficiency of the electronic system in a Mini car.