BMW E90 E92 335i Petrol N54 ECU Engine Control Unit Module DME 7586933 Manual

BMW E90 E92 335i Petrol N54 ECU Engine Control Unit Module DME Manual is a factory electronic control module designed for N54 power units in 335i models. This component from the Electronic control modules and ECUs category is responsible for the precise management of the petrol engine, ensuring stable parameters and proper operation with a manual transmission. This is a solution for users looking for a proven, original DME to repair or restore the full functionality of the powertrain.

Specifications and technical data

• SKU: 7586933
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7586933
• Substitutable numbers: 12147616431, 7616431, 12147586933, 7586933, 5WK93714
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the N54 DME module

The offered engine control unit is dedicated to the N54 unit in the BMW 335i, powered by petrol and equipped with a manual transmission. The DME module manages key engine operating parameters, such as fuel dosage, ignition timing, or protection strategies, by communicating with sensors and the vehicle's other electronics. This allows the powertrain to operate in a stable, predictable manner, in accordance with the manufacturer's factory specifications.

Benefits of using an original BMW module

Using an original controller from the Electronic control modules and ECUs group allows you to maintain software and hardware consistency in the vehicle. This is particularly important in the N54 engine, where control precision affects refinement, performance, and throttle response. By choosing this module, you gain:

• factory engine performance characteristics consistent with BMW standards,
• compatibility with the vehicle's electrical installation and architecture,
• the ability to perform further diagnostics and updates using standard service tools.

Application in vehicles with manual transmission and petrol engine

The controller is designed for configurations where the N54 engine is paired with a manual transmission and petrol fuel system. Proper matching of the fuel type and transmission type is crucial for the correct operation of functions such as torque control, clutch protection strategies, or gear shift response. Selecting the correct DME for a specific drivetrain configuration reduces the risk of errors, incorrect readings, and adaptation issues.

Condition, verification, and part number matching

The module comes from the secondary market, which allows for an economical repair of the engine control system while maintaining original BMW specifications. Before installation, it is recommended to verify compatibility using the OEM part number and interchangeable numbers, as well as to consult with a mechanic or automotive electrician regarding potential programming, vehicle registration, or immobilizer adaptation. This helps avoid engine starting issues and ensures proper cooperation with other modules in the vehicle.

Expert support and selecting used electronics

If you want to better understand how to safely choose used engine controllers, ECU modules, and sensors, how to check hardware and software compatibility, and what to pay attention to during installation, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

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 engine controllers, powertrain management modules, or controllers working with the ECU, check out the available parts in the BMW electronic control modules and ECUs category.