MINI Cooper R50 W10 116HP Engine ECU Kit Module DME 7553735 + Key + EWS Manual

MINI Cooper R50 W10 116HP Engine ECU Kit Module DME + Key + EWS Manual is a complete set from the Electronic control modules and ECUs category, designed to support the powertrain in the MINI Cooper R50 with the W10 engine. It includes the DME engine control unit along with a matched key and EWS module for manual transmission versions, which facilitates restoring the proper operation of the electronic system after a failure or engine replacement.

Specifications and technical data

• SKU: 7553735-4
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7553735
• Substitutable numbers: 12147557395 S83293, 7557395, 12147527610 12147514587, 12147513981 12147545789 12147520019, 12147539808 12147513983 12147553735, 12147512798 12147542310 7527610 7514587, 7513981 7545789 7520019, 7539808 7513983 7553735, 7512798 7542310, S122237005 6
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose of the MINI Cooper R50 DME ECU kit

The offered control kit is dedicated to MINI Cooper R50 models with the 116 HP W10 petrol engine, equipped with a manual transmission. The set includes the DME engine controller, EWS module, and a matched key, which allows for maintaining the consistency of the immobilizer and powertrain electronics without the need for time-consuming programming from scratch.

A set configured in this way is particularly useful when replacing a damaged controller, experiencing EWS–DME communication issues, or when swapping the powertrain within the same MINI generation.

Structure and function of the kit components

The set includes an electronic engine control module (DME), which is responsible for the precise management of the powertrain – fuel dosing, ignition, and cooperation with other vehicle systems. The EWS module acts as an anti-theft security system, working with the transponder in the key and allowing the engine to start only when the correct key is used.

Combining these elements into one matched set reduces the risk of software conflicts and facilitates installation in a vehicle where the existing engine control system has been damaged or replaced.

Benefits of using a used DME ECU kit

Choosing a complete, used engine controller set with EWS and a key is a solution that allows for significantly lower repair costs compared to purchasing new components. At the same time, powertrain electronics consistency is maintained, which in practice translates into easier adaptation in the vehicle and a lower risk of engine starting problems.

In the case of the MINI Cooper R50 with the W10 engine, using a ready-made DME + EWS + key set is often a faster and more predictable path than selecting individual modules from different sources and re-coding them.

Professional application and parts selection

The set is intended for workshops specializing in the Mini brand and for informed users who want to restore full functionality of the engine control system in their car. Because the components come from a single vehicle, it is possible to reduce diagnostic time and focus on correct installation and basic adaptation.

To better understand when choosing a used engine controller and related modules is justified, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. The article helps to assess the cost-effectiveness of such a solution and draws attention to key aspects of selecting electronics.

Expanding the control system in a MINI

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 additional controllers, auxiliary modules, or systems cooperating with the DME, check out the available parts in the Mini electronic control modules and ECUs category.