BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 + Key Manual

BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME CAS3 + Key Manual is a factory electronic engine control unit designed for 170 HP N43 petrol engines paired with a manual transmission. This component from the Electronic control modules and ECUs category is responsible for precise engine management, ensuring stable power characteristics and proper integration with other vehicle systems. It is a solution for users who want to restore the correct operation of the powertrain in accordance with BMW factory specifications.

Specifications and technical data

• SKU: 7580279-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7580279
• Substitutable numbers: 7580279, 12147580279, 7599881, 12147599881, 7583225, 12147583225, 7507228, 12147507228, 7593667, 12147593667, 7585654, 12147585654, 7575668, 12147575668, 7579144, 12147579144, 7585304, 5WK9363, 6943834, 61356943834, 9147195, 61359147195, 9147199, 61359147199, 6943830, 61356943830
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented engine computer is designed to work with the N43 petrol engine in BMW 1 Series E87 LCI and 3 Series E90 and E92 models in 120i and 320i versions. The DME controller is responsible for key engine management processes, such as fuel injection, ignition control, and monitoring engine peripherals. As a result, the powertrain maintains proper operating parameters, and the throttle response remains predictable and consistent with the manufacturer's design. The version dedicated to the manual transmission ensures proper cooperation with the drivetrain, which is important for smooth gear shifting and the correct operation of functions dependent on engine load. Using an original controller instead of a faulty unit helps avoid compatibility issues and reduces the risk of communication errors with other vehicle modules.

Benefits of using an original BMW module

Choosing an original DME controller for the N43 engine primarily ensures the preservation of factory control logic, which translates into stable engine operation across the entire rev range. The module has been developed for a specific engine and transmission configuration, ensuring that operating parameters are consistent with the maps and strategies adopted by BMW. The main advantages of using this engine computer include:

• consistency with the vehicle's original electronic architecture,
• proper cooperation with sensors and other controllers,
• compatibility with diagnostics and programming using standard BMW service tools,
• reduced risk of starting problems, rough idling, or warning lights appearing. For workshops and individual users, this means an easier installation process and predictable vehicle behavior after replacing the module.

Application in service practice

This engine computer is suitable both for typical replacement of a faulty controller and for more complex powertrain repairs in BMW E87 LCI, E90, and E92 models with the N43 engine. Thanks to its compatibility with the petrol unit and manual transmission, it can be used as a component to restore full vehicle functionality after an engine electronics failure. To select the correct module for a specific car, it is recommended to use the VIN, OEM part number, and interchangeable numbers, which facilitates the verification of hardware and software compatibility. Detailed tips on selecting, coding, and installing used ECU controllers can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Characteristics of the used product

The offered DME controller is a used item, which in service practice often represents a reasonable compromise between repair costs and maintaining original OEM quality. Such modules, after proper adaptation and potential reprogramming, allow for effectively restoring the engine control system's efficiency without the need to invest in a new component. If you want to better understand why used original OEM parts are often the preferred solution in professional workshops, it is worth reading the Global Parts material: Quality guarantee and OEM safety – why are used original car parts the best choice for your car?.

Related BMW Electronic control modules and ECUs

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 comfort controllers, body modules, or additional ECU units, check the available parts in the BMW Electronic control modules and ECUs category.