BMW E90 E91 E93 335i N54 306HP Engine Control Unit Module ECU 7575875 Manual

Complete ECU DME engine control unit for BMW E90/E91 335i with N54 306 HP engine is a specialized set from the Electronic control modules and units group, designed for vehicles with gasoline engines and automatic transmissions. This solution is for users who need a proven, used control module to restore proper powertrain operation or for professional engine electronics repair.

Specifications and technical data

• SKU: 7575875-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7575875
• Substitutable numbers: 12147616431, 7616431, 12147575875, 7575875, 5WK93628, KZ
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the N54 DME control unit

The engine control unit in this set is designed to work with the N54 gasoline engine in BMW 3 Series E90/E91 335i models, ensuring precise management of fuel injection, ignition, and engine auxiliary systems. The module is adapted for configuration with an automatic transmission, allowing for proper communication with the drivetrain and stable operation of the entire powertrain.

Benefits of using an original ECU set

Using a complete ECU DME set dedicated to a specific 335i version with an N54 engine minimizes compatibility issues and simplifies the adaptation process in the vehicle. A used, original module from the same control unit family helps maintain the factory control logic, which translates to predictable engine behavior, stable operating parameters, and correct functioning of engine-related systems.

Technical characteristics and application

The presented ECU set is a component intended for BMW vehicles with gasoline engines equipped with automatic transmissions. This configuration requires a properly selected control unit capable of handling specific operating maps, gear shifting strategies, and communication with other electronic modules in the vehicle. This solution makes it possible to restore proper powertrain operation after a failure of the original control unit or its mechanical or electronic damage.

Condition, origin, and practical service application

The product is from disassembly and is offered as a used part, providing a cost-effective alternative to new components while maintaining original manufacturer specifications. This type of ECU set is often chosen by workshops specializing in the BMW brand and by informed users seeking a solution for professional engine electronics repair without the need for replacements with uncertain parameters.

Substantive support and additional information

If you want to better understand how to safely use used engine control units and other electronic modules in the 3 and 5 Series, it is worth reading the guide on our blog: Years of driving pleasure – how to care for iDrive systems and electronic modules in BMW 3 and 5 Series models. There you will find practical tips on diagnostics, selection, and installation of parts from disassembly, including BMW engine control units. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as DME control units, engine management modules, or other electronic control units, check the available parts in the BMW Electronic control modules and units category.