Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key

Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME CAS 3 Key is a specialized electronic control module designed for the S-version powertrain with the N18 engine. It is responsible for the precise management of the 1.6 184 HP unit, ensuring stable power characteristics, correct throttle response, and consistent operation of related systems. This solution is dedicated to users who expect proven, factory-grade electronics instead of universal replacements.

Specifications and technical data

• SKU: 7639049-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7639049
• Substitutable numbers: 12147639049, 7639049, 12147620985, 7620985, 12147612190, 7612190, 12147619333, 7619333, 12147613226, 7613226, 0261S08046, 0 261 S08 046, 61359267609, 9267609, KZ
• Category: ECUs & Computer Modules

Purpose and function of the control unit

The presented computer belongs to the Electronic control modules and controllers group, responsible for coordinating engine operation and interacting with other vehicle systems. In the case of the S version with the N18 unit, the controller manages, among other things, fuel injection, ignition, boost pressure, and communication with other modules in the vehicle's network.

Thanks to the factory software and hardware architecture, the module enables the maintenance of the characteristic MINI S dynamics while supporting stable operation in daily use. This is particularly important when replacing a damaged computer after an electronic failure or during a comprehensive powertrain repair.

Benefits of using an original module

Using a controller dedicated to a specific engine configuration and model version allows you to avoid problems typical of improperly selected replacements. Proper hardware and software matching translates into:

• consistent cooperation with the electrical installation and other modules in the vehicle,
• preservation of the factory operating parameters of the power unit,
• easier diagnostics in the workshop thanks to compliance with factory procedures.

For the user, this means more predictable car behavior, reduced risk of communication errors between modules, and the possibility of further service maintenance based on standard diagnostic tools.

Product characteristics and condition

The offered computer comes from the Mini brand and is an OEM-class component, which in practice means maintaining the original vehicle manufacturer's specifications. The product is in Used condition, which allows you to combine factory construction with a more favorable purchase cost compared to new electronics.

The module has an assigned OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific car configuration. Before installation, it is recommended to check compatibility with the vehicle's numbering and prepare the controller according to the procedure used in a given workshop (e.g., adaptation, potential coding).

Application in service practice

The Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME CAS 3 Key will work well both for a typical replacement of a damaged controller and for major powertrain repairs where it is necessary to restore full electronic efficiency. Thanks to the preservation of the original architecture, the module fits well into standard service procedures used in independent workshops specializing in the MINI brand.

In practice, this means shorter diagnostic time, easier programming, and the ability to use existing service infrastructure without the need to experiment with uncertain solutions. It is a reasonable choice for users who want to restore proper engine operation while maintaining the factory character of the car.

Control system expansion and additional information

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 additional controllers, auxiliary modules, or engine management units, check the available parts in the Mini electronic control modules and controllers category.

To compare how manufacturers approach maintaining the brand's character in the context of electronics and original components, it is worth reading the article on our blog: Audi and emotions in their purest form – how used parts help maintain the brand's DNA. It allows you to better understand why using factory control modules is also important in the case of MINI.

If you are interested in how the wide availability of used modules and other components in one warehouse affects the reduction of car repair time, also take a look at the entry: how a wide assortment in one warehouse shortens car downtime at the mechanic. Thanks to this, you will more easily plan the service and selection of the appropriate electronic elements for your MINI.