BMW E60 LCI E90 335d 535d M57N2 286HP Engine Control Unit ECU 7810980 Automatic

BMW M57N2 286 HP Engine Control Unit for E60 LCI, E90 335d, and 535d models is a factory electronic control module designed for diesel engines paired with an automatic transmission. This used ECU from the Electronic Control Modules and Controllers category allows for professional drivetrain repair while maintaining the original engine and automatic transmission operating characteristics.

Specifications and technical data

• SKU: 7810980
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810980
• Substitutable numbers: 7810980, 13617810980, 7805287, 13617805287, 7809955, 13617809955, 7808289, 13617808289, 7806379, 13617806379, 7806981, 13617806981, 7804844, 13617804844, 7805586, 13617805586, 0281015241, 0 281 015 241
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

ECU Purpose and Compatibility

The presented BMW engine control unit for the M57N2 286 HP engine is designed for use in diesel vehicles with automatic transmissions. It is responsible for precise control of injection, boost, fuel delivery, and transmission coordination, which is crucial for dynamics, smooth operation, and fuel consumption.

By using an original ECU module, full compatibility with the factory BMW electrical architecture is maintained, including safety and diagnostic systems. The control unit has a dedicated OEM part number and a set of interchangeable numbers, facilitating the selection of the correct unit based on service documentation or vehicle data.

Function in a Diesel Powertrain with Automatic Transmission

In the M57N2 diesel engine, the ECU manages a range of engine operating parameters. In configurations with an automatic transmission, it additionally coordinates data exchange with the gearbox. This translates to:

• smooth gear changes under various engine loads,
• stable idle and under-load operation,
• exhaust emission control according to factory settings,
• proper handling of driving modes and comfort functions.

Selecting the correct ECU module is particularly important for advanced diesel engines, where the control unit integrates data from numerous sensors and components. Incorrect configuration can lead to power loss, increased fuel consumption, or diagnostic system errors.

Benefits of Using an Original BMW Module

An original BMW electronic control module ensures consistency with factory software and engine parameters. In practice, this means:

• maintaining stock torque and power characteristics,
• proper interaction with ABS/DSC systems and comfort systems,
• full diagnostic capability using factory service tools,
• easier adaptation and coding compared to universal aftermarket replacements.

A used control unit from this range is a good solution for repairs where originality and cost control are important, while maintaining a high level of functionality.

Selection by Numbers and Technical Support

When selecting an ECU for BMW E60 LCI, E90 335d, or 535d, it is crucial to match the OEM part number and interchangeable numbers, as well as consider the fuel type and transmission type. Proper pairing of the module with the vehicle's wiring minimizes the risk of engine starting problems, CAN communication errors, or incorrect automatic transmission operation.

If you wish to deepen your knowledge on selecting and installing used control units, verifying compatibility, and common engine electronics questions, consult the Global Parts guide: Used Automotive Electronics – Second-Hand ECUs and Sensors.

BMW Control System Expansion

If you are planning a comprehensive engine area repair or upgrade for your BMW and require other components from the same category, such as additional controllers, auxiliary modules, or engine management units, check the available parts in the BMW Electronic Control Modules and Controllers category.