MINI S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Manual Gearbox

MINI S R52 R53 W11 170HP Engine Control Unit ECU DME Manual Gearbox is an original electronic control module designed for the 170 HP W11 engine unit in S versions with a manual transmission. This specialized controller from the Electronic control modules and controllers group ensures precise engine management, supporting stable performance and proper interaction with auxiliary equipment. It is a solution for users who expect factory compatibility and predictable powertrain operation.

Specifications and technical data

• SKU: 7557395-15
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7557395
• Substitutable numbers: 12147557395, 7557395, 12147527610, 7527610, 12147514587, 7514587, 12147513981, 7513981, 12147545789, 12147520019, 12147539808, 12147513983, 12147553735, 12147512798, 12147542310, S83293, S122237006, 7520019, 7513983, 7512798, 7542310, 7539808, 7553735, 7545789
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The engine ECU in the version dedicated to the MINI S R52/R53 with the W11 unit is responsible for comprehensive control of the combustion process, fuel dosing, ignition, and interaction with sensors and actuators. As a result, the engine maintains proper operating parameters under various load conditions, and throttle response remains predictable and consistent with factory specifications.

The module is designed to work with a manual transmission, which is important for torque management logic, ignition cut-off, and communication with other vehicle systems. Using the correct ECU for a specific drivetrain configuration reduces the risk of errors, limp mode, and adaptation issues.

Benefits of using an original ECU

Choosing an original controller from the Mini OE line allows you to maintain consistency with the vehicle's factory electrical architecture. Proper software and hardware matching facilitate integration with the wiring, immobilizer system, and other comfort and safety modules. This is particularly important during repairs where fast diagnostics and the ability to perform correct coding are essential.

The ECU from this series has assigned part numbers and interchangeable numbers, which makes it easier to select the right variant for a specific MINI S version. This allows for precise compatibility verification by number, reducing the risk of purchasing the wrong module and incurring additional costs related to fitting.

Characteristics of the used module

The offered controller comes from the Electronic control modules and controllers category and is a used component, which in practice means an attractive cost-to-functionality ratio while maintaining the factory design. This type of solution is often chosen for repairs of vehicles that are several or more years old, where the priority is reliability and compliance with the original installation rather than investing in a brand-new component.

Before installation, a standard procedure is recommended: verifying compatibility by OEM part number, checking the list of interchangeable numbers, and consulting a diagnostician regarding potential programming, adaptation, or pairing with the immobilizer. A correctly selected and configured controller allows for the restoration of full powertrain functionality after the failure of the previous ECU.

Selection and operation of engine electronics

When replacing the ECU in a MINI S R52/R53, it is crucial to consider the engine version, transmission type, and equipment configuration. Proper module selection minimizes the risk of starting problems, CAN communication errors, or incorrect gauge operation. It is also worth remembering the quality of ground connections, the condition of wiring harnesses, and proper power supply, as these largely determine the trouble-free operation of the controller.

If you want to better understand when choosing a used ECU is a reasonable solution and what to look for when purchasing, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips there regarding the assessment of electronic condition and the principles of safe installation.

Related Mini control modules

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