BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic

BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE is a factory Engine Control Unit designed for diesel engines paired with an automatic transmission. It belongs to the Electronic control modules and controllers category and is engineered for precise management of engine operation, injection parameters, and communication with other vehicle systems.

Specifications and technical data

• SKU: 7806976
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7806976
• Substitutable numbers: 13617810950, 7810950, 13617806378, 7806378, 13617810077, 7810077, 13617806976, 7806976, 13617809944, 7809944, 13617808205, 7808205, 13617811957, 7811957, 13617809784, 7809784, 0281014437, 61356943838, 6943838, KZ
• Fuel type: Diesel
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the controller

This engine controller is dedicated to BMW M57N2 family engines with 235 HP, used in models such as the E60 LCI and E90 in 330d and 530d versions. As an Engine Control Unit, it is responsible for processing sensor signals, controlling fuel injection, boost pressure, and coordinating with the automatic transmission system, ensuring the cohesive operation of the entire powertrain.

This type of ECU is a key component of the vehicle's electronic architecture – it integrates with the car's communication network, monitors diesel engine performance parameters, and enables diagnostics using factory BMW service tools.

Compatibility and replacement numbers

The controller comes from the line of original BMW components and has an assigned OEM part number as well as a set of interchangeable numbers, which facilitates the selection of the correct module for a specific vehicle configuration. The presence of multiple references allows the ECU to be matched to various equipment versions and software variants within the same engine family.

Before purchasing, it is recommended to compare the OEM number and reference numbers with the data in your vehicle or service documentation to ensure full compatibility with the electrical installation, engine type, and the automatic transmission used.

Technical characteristics and integration with the powertrain

As a controller designed for Diesel units, the module is optimized for the specifics of BMW M57N2 diesel engines – it supports advanced injection strategies, boost pressure control, and cooperation with exhaust emission systems. Integrated control algorithms are adapted to work with an automatic transmission, allowing for smooth gear shifting and stable torque characteristics.

The controller belongs to the Electronic control modules and controllers group, making it suitable for operation in environments with high temperature and electrical requirements, typical for the engine bay. The module's design enables communication with other vehicle systems via data buses, which is essential for the proper functioning of comfort, safety, and diagnostic features.

Condition, service application, and selection of a used ECU

The offered controller is a used item, making it an attractive solution for vehicle repairs where replacing the ECU is necessary while maintaining reasonable service costs. This type of module can be used both as a spare part in case of factory controller failure and as a base for programming for a specific vehicle.

When selecting a used ECU for a BMW with an M57N2 engine, it is worth paying attention to the compatibility of numbers, fuel type, transmission type, and software version, as well as planning for potential coding or adaptation in the vehicle. A well-chosen controller allows for restoring the proper operation of the powertrain without the need to invest in a new module.

To better understand when choosing a used engine controller is justified and how to safely select such an element for your car, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expansion of the control system in BMW

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 additional controllers, engine management modules, or related electronic systems, check the available parts in the BMW electronic control modules and controllers category.

By using original control modules, it is possible to maintain the consistency of the entire vehicle's electronic system, which translates into stable engine operation, predictable responses to load, and correct cooperation with the automatic transmission and other onboard systems.