BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat

BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit is a factory electronic engine control unit designed for N43 petrol engines in 1 Series and 3 Series models. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable power characteristics and proper cooperation with other vehicle systems. This used controller is a sensible choice for drivers looking for a proven service solution while maintaining control over repair costs.

Specifications and technical data

• SKU: 7595179-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7595179
• Substitutable numbers: 121476400157640015, 121476211787621178, 121475998817599881, 121475951797595179, 121475936667593666, 121475072277507227, 121475791427579142, 121475853037585303, 121475832257583225, 121475802797580279, 121475756657575665, 121475737587573758, 61359147226914, 12147599881, 7599881, 12147595179, 7595179, 12147593666, 7593666
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine controller is designed to work with the N43 petrol unit used in BMW E87 LCI and E90 series in 118i and 318i versions. As a central element of the powertrain control system, it monitors, among other things, fuel dosage, ignition timing, accessory operation, and communication with other vehicle modules. Thanks to this, the engine maintains proper operating parameters under various load conditions, and the vehicle retains predictable throttle response characteristics.

Benefits of using an original BMW module

The original controller from the Electronic control modules and controllers group ensures compatibility with the factory BMW electrical architecture, which facilitates integration with the vehicle's installation and diagnostic systems. In practice, this means:

• retaining factory engine control maps,
• proper cooperation with sensors and actuators,
• the possibility of full diagnostics using standard BMW service tools,
• reduced risk of communication problems in the vehicle's bus.

For workshops and users, this means a predictable adaptation and programming process, as well as easier maintenance of vehicle configuration consistency.

Technical characteristics and compatibility

The controller is intended for petrol engines, which is crucial when selecting parts for BMW vehicles with the N43 family. The module has an assigned OEM part number and a set of interchangeable numbers, which allows for precise verification of compatibility with a specific equipment version and car year. Before purchasing, it is recommended to compare the markings with the currently installed controller or consult a mechanic to ensure proper fitment to the vehicle's electrical installation and software.

Condition, service application, and selection of a used ECU

The offered engine controller is a used item, which makes it an attractive solution for repairs where cost optimization is important while maintaining the original BMW specification. This type of module will work particularly well in situations where the existing controller has suffered electronic damage, there are communication problems in the vehicle network, or errors appear that prevent the engine from starting properly. In most cases, it will be necessary to properly code or match the controller to a specific car, which should be entrusted to a specialized service.

If you want to better understand when choosing a used engine controller is justified and how to safely approach buying electronics from the secondary market, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expansion and other BMW control modules

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

Summary

BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit is an original control module designed for N43 petrol engines, serving as a key element of the powertrain management system. Choosing a used, factory controller allows you to maintain compatibility with the vehicle's design, reduce repair costs, and maintain predictable car behavior in daily operation. It is a practical solution for drivers and workshops that prioritize proven OEM components in BMW electronics service.