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 an original engine control unit designed for 170 HP N43 petrol engines paired with a manual transmission. This used DME module ensures precise engine management, allowing for the restoration of proper drivetrain functionality following a factory controller failure. This solution is dedicated to users who expect compatibility with BMW's factory electronics architecture and stable performance in daily operation.

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 compatibility

The presented DME engine computer is designed for BMW 1 Series E87 LCI 120i and BMW 3 Series E90 / E92 320i models equipped with the 170 HP N43 petrol engine. The controller is compatible with a manual transmission, which is crucial when selecting the appropriate module for a specific drivetrain configuration. By maintaining the original control logic and engine maps, the module allows for the reproduction of factory driving parameters, such as throttle response, idle smoothness, and stability under load.

Function in the vehicle's electronic system

The DME engine computer plays a central role in managing the engine's operation by integrating signals from sensors and controlling actuators. In practice, this means, among other things:

• control of fuel dosage and injection timing in the petrol engine,
• ignition control taking into account load and operating temperature,
• coordination with onboard systems, such as the OBD diagnostic system,
• handling of limp modes in case of detected irregularities.

Thanks to the preservation of the original control architecture, the use of this module allows for consistency with the vehicle's other electronic systems, which is particularly important in modern BMW designs.

Benefits of using an original BMW controller

Choosing an original module from the Electronic control modules and controllers category provides a number of practical benefits compared to replacements or universal solutions. The most important include:

• preservation of the factory performance characteristics of the 170 HP N43 engine,
• full integration with the vehicle's electrical installation and communication bus,
• possibility of proper diagnostics using dedicated BMW service tools,
• reduction of the risk of software compatibility and coding issues.

A used DME controller represents a reasonable compromise between cost and functionality, allowing for the restoration of vehicle efficiency while maintaining a high level of compliance with the manufacturer's factory standards.

Selection and integration with the vehicle

When selecting an engine computer for a BMW E87 LCI, E90, or E92, it is crucial to match it to the fuel type, engine version, and transmission type. This module is intended for petrol units paired with a manual gearbox, which facilitates integration with the existing wiring harness and equipment. In practice, this means it can be used as a replacement for a damaged module in 120i and 320i vehicles with the N43 engine, while maintaining consistency with the factory drivetrain configuration.

Expanding the control system in BMW

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

More about the role of original modules in modern cars

Modern premium cars, such as those from German brands, rely heavily on advanced controllers responsible for maintaining the vehicle's character. If you are interested in how original electronic modules affect handling, comfort, and the consistency of the driving experience, it is worth reading an article describing the importance of factory components in maintaining the manufacturer's DNA: Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.