BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual

BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit DME CAS3 Key Manual is a complete engine control unit set designed for petrol versions of the BMW 1 Series with a manual transmission. The set includes an Engine Control Unit, a CAS3 module, and a key, which facilitates matching the electronics to a specific vehicle and reduces the risk of immobilizer-related issues.

Specifications and technical data

• SKU: 7595179-13
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7595179
• Substitutable numbers: 12147583225, 7583225, 121476211781214759988112147595179, 121475936661214750722712147579142, 7621178, 75998817595179759366675072277579142, 121475853031214758322512147580279, 75853037583225758027975756657573758, 61359147226, 9147226, 5WK93727, 12147599881, 7599881, 12147595179, 7595179, 12147593666, 7593666
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME CAS3 kit

The presented set is part of the Electronic control modules and controllers category, responsible for managing the operation of the petrol engine in the BMW 1 Series E81/E87 LCI generation with the N43 116i 2.0 122 HP unit. The DME controller works in conjunction with the CAS3 module and the key, creating a coherent system for starting authorization and monitoring engine operating parameters, such as fuel dosage, ignition, and auxiliary equipment operation.

The set is dedicated to vehicles with a manual transmission, which is crucial when selecting the correct electronics and ensuring proper compatibility with the drivetrain.

Benefits of using a complete ECU Kit

Using a complete ECU set with the CAS3 module and key often allows you to avoid time-consuming programming from scratch and problems with immobilizer matching. In practice, this means:

• consistency of components within a single control set,
• reduced risk of communication errors between the engine controller and the CAS3 module,
• easier work for an electrician or diagnostician when adapting the set to a specific car.

For the user, this translates into a more predictable engine control system repair process and the ability to restore the proper operation of the power unit in a technically organized manner.

Technical characteristics and compatibility

The set is designed for the N43 petrol engine in the 116i version, working with a manual transmission. The Engine Control Unit is responsible for real-time processing of sensor signals, controlling fuel injection, ignition, and other auxiliary components, in accordance with BMW factory specifications.

The presence of dedicated part numbers and interchangeable numbers (visible in the specification section) facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is recommended to compare the markings with the vehicle's data or consult a diagnostician to confirm full compatibility.

Condition and use in service practice

The offered set belongs to the group of used electronic control modules, making it an attractive cost-effective solution while maintaining the manufacturer's original specifications. In workshops specializing in the BMW brand, this type of set is often used as a base for restoring vehicle functionality after an engine controller failure or problems with the CAS system.

Due to the complexity of BMW electronic systems, installation and any necessary coding should be entrusted to a specialized service center that has the appropriate diagnostic software and experience in working with DME and CAS3 modules.

Expert support and additional information

If you want to better understand when choosing a used engine controller or comfort module makes sense and how to safely select such a component for your car, check out the practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find tips there regarding the selection of ECUs and other automotive electronics components.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as engine controllers, engine management modules, or related control systems, check the available parts in the BMW electronic control modules and controllers category.