BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual

BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME is a factory electronic control module designed to manage the operation of the petrol engine version with a manual transmission. As an item from the Electronic control modules and controllers group, it is responsible for precise fuel metering, ignition, and interaction with other vehicle systems. This solution allows for restoring proper engine operation while maintaining the original BMW control logic.

Specifications and technical data

• SKU: 7580279-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7580279
• Substitutable numbers: 12147599881, 7599881, 12147640015, 7640015, 12147621178, 7621178, 5WK93637
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The engine controller in this BMW model acts as the central computing unit responsible for analyzing signals from sensors and controlling actuators in the powertrain area. For a petrol engine paired with a manual transmission, it ensures:

• control of the air-fuel mixture composition across various load ranges,
• management of ignition timing,
• coordination of engine-related systems,
• communication with other vehicle modules via the data bus.

Thanks to this, the DME engine controller enables stable engine operation, correct throttle response, and compliance with factory manufacturer settings.

ECU type, fuel, and transmission

The presented item is an Engine Control Unit, a specialized computer controlling engine operation. It has been designed to work with a petrol fuel system, which is crucial for the correct selection of injection and ignition maps. Adaptation to a manual transmission means that the control logic accounts for the operating characteristics of such a gearbox, including how it reacts to changes in RPM and load.

Selecting the correct ECU type for a specific powertrain configuration is important both from the perspective of proper engine operation and for subsequent diagnostics and potential software updates.

Benefits of using an original BMW controller

Using an original module from the Electronic control modules and controllers group allows for maintaining consistency with the vehicle's factory electrical architecture. In practice, this translates into:

• proper cooperation with the electrical installation and other modules,
• preservation of factory engine operating parameters,
• easier diagnostics using dedicated BMW service tools,
• possibility of adaptation and coding in accordance with manufacturer procedures.

An item in used condition can be an attractive cost alternative for repairs, especially when maintaining the original vehicle specification is desired without the need for using replacements with uncertain parameters.

Selection, reference numbers, and compatibility

This engine controller has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification and matching to a specific BMW configuration. Before purchasing, it is worth comparing the markings with the currently installed module or using a parts catalog to confirm compatibility with a given vehicle unit.

In case of doubt, it may also be helpful to check the configuration regarding fuel type, transmission type, and ECU controller version to avoid communication problems in the vehicle network and the need for additional installation modifications.

Condition, installation, and practical aspects

The offered controller comes from the secondary market, which allows for reducing repair costs while maintaining the original BMW design. Before installation, standard procedures related to engine electronics should be considered, such as potential coding, matching to the immobilizer, or adaptation to a specific vehicle in accordance with service recommendations.

Professional installation and correct configuration are crucial for achieving stable engine operation and full functionality of all systems related to the engine.

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 control modules, DME units, or other ECU controllers, check the available parts in the BMW Electronic control modules and controllers category.

To better assess when choosing a used engine controller is technically and economically justified, it is worth reading the guide on our blog: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?