BMW E60 E61 E90 E91 E92 N54 306HP Engine Control Unit DME ECU 7568842 Manual

BMW E60 E61 E90 E91 E92 N54 306HP Engine Control Unit DME ECU is a specialized electronic control module designed for 306 HP N54 petrol engines paired with a manual transmission. This Engine Control Unit is responsible for precise engine management, ensuring stable performance, correct throttle response, and proper integration with other vehicle systems. Built to factory BMW standards, this control unit serves as a functional service solution for 3-series and 5-series models.

Specifications and technical data

• SKU: 7568842-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7568842
• Substitutable numbers: 12147573863, 12147568842, 12147568370, 7573863, 7568842, 7568370
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the DME control unit

The DME engine control unit in this version is designed to support the 306 HP N54 petrol engine in BMW E60, E61, E90, E91, and E92 models equipped with a manual transmission. As a central module within the Electronic control modules and controllers category, it is responsible for managing fuel injection, ignition, engine accessories, and communication with other vehicle systems via data buses. A correctly selected ECU is crucial for maintaining factory engine parameters and operational stability under various loads.

Benefits of using a dedicated ECU for the N54

Using a control unit matched to the N54 engine and manual transmission allows for maintaining the consistency of the factory configuration, which translates into:

• correct engine mapping for 306 HP output,
• stable operation at idle and under load,
• proper compatibility with BMW diagnostic systems,
• retention of the throttle response characteristics typical for this engine.

For users planning to repair or replace a faulty ECU in an N54 engine, such a control unit provides a technically consistent solution, minimizing the risk of software and hardware compatibility issues.

Technical characteristics and vehicle integration

The presented module belongs to the Engine Control Unit group, which is responsible for comprehensive management of the petrol engine. It is adapted for use with a manual transmission, which is significant for torque management logic, cut-off functions, and communication with other modules. This ensures proper interaction with the drivetrain, as well as predictable vehicle behavior during acceleration, downshifting, and driving in various conditions.

As an item in the Electronic control modules and controllers category, the control unit is designed to operate in the demanding environment of the engine bay, taking into account vibrations, temperature fluctuations, and electromagnetic immunity requirements. The appropriate housing and connector design facilitate integration with the factory BMW wiring harness.

Product condition and service application

The offered control unit is a used product, which in the case of BMW electronics often represents a cost-effective service solution while maintaining the original specification. This type of module can be used both for standard replacement of a damaged ECU and for repairs of N54 units following accessory failures or engine electronics issues. Proper selection based on the OEM number and compatibility with the specific engine and transmission version is crucial for trouble-free operation.

For users and workshops specializing in the BMW brand, using an original DME control unit for the N54 allows for maintaining vehicle configuration consistency, which facilitates subsequent diagnostics, software updates, and potential modifications within the factory capabilities of the unit.

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other components from the same group, such as control modules, auxiliary controllers, or powertrain management units, check out the available parts in the BMW electronic control modules and controllers category.

Support for selecting a used ECU

When choosing a used engine control unit, it is particularly important to pay attention to the compatibility of markings, hardware and software versions, and matching the specific vehicle configuration. Proper selection helps avoid engine starting problems, communication errors between modules, or functional limitations. It is recommended to use solutions based on the OEM number and vehicle data to ensure maximum compatibility.

If you want to learn more about selecting and installing used engine control units and other vehicle electronics, you will find practical tips in the article: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.