BMW 3 5 Series E60 E90 DME Petrol N52 Engine Control Unit ECU 7561684 Manual

BMW 3 5 Series E60 E90 DME Petrol N52 Engine Control Unit ECU is an original electronic control module designed for N52 engines in 3 and 5 Series models. This item from the Electronic control modules and controllers category ensures precise management of the petrol engine, supporting stable performance and proper operation with a manual transmission. It is a solution for users seeking a factory ECU with proven compatibility with the BMW drivetrain.

Specifications and technical data

• SKU: 7561684
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561684
• Substitutable numbers: 12147577970, 7577970, 12147561684, 7561684
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the N52 engine controller

The presented ECU is responsible for comprehensive control of the petrol engine in N52 units used in the BMW 3 Series (E90) and 5 Series (E60). The module monitors, among other things, fuel injection, ignition, engine accessory operation, and communication with onboard systems, which translates into stable performance and predictable throttle response.

The version dedicated to the manual transmission is configured for the specific operation of a manual gearbox, ensuring that the logic for controlling RPM, torque, and gear-shift assistance functions is matched to the characteristics of this drivetrain configuration.

Benefits of using an original BMW ECU

Using a factory engine controller in a BMW with an N52 unit allows for maintaining software and hardware consistency throughout the entire drivetrain. In practice, this means:

• maintaining factory petrol engine operating parameters,
• proper cooperation with the manual transmission,
• compatibility with the vehicle's electrical installation and electronic architecture,
• easier diagnostics using BMW service tools.

For many users and workshops, it is also important that the original control module facilitates subsequent adaptation and coding, as it is designed for a specific platform and engine type.

Characteristics of the used ECU module

The offered controller comes from a BMW vehicle and is a used item, making it an attractive cost-effective alternative to new components. A used ECU is a solution often chosen for post-accident repairs, replacing a damaged controller after an electrical failure, or restoring a car to its factory configuration after unsuccessful modifications.

Before installation, it is recommended to perform standard workshop procedures, such as verifying compatibility by part numbers and preparing for adaptation and potential programming for a specific vehicle. This allows you to fully utilize the module's potential and ensure stable operation of the engine control system.

Professional selection and installation of the controller

To select the appropriate ECU for your BMW, it is worth using the OEM part number, interchangeable numbers, and vehicle data (model, year, engine type, transmission type). This helps avoid hardware and software compatibility issues. In the case of engine control modules, it is particularly important to match the fuel type and transmission configuration, which in this case means a petrol engine working with a manual transmission.

If you want to better understand how to safely buy used controllers and other automotive electronics, how to check compatibility by OEM numbers, and what to pay attention to during installation and coding, check out our guide: Used automotive electronics – ECU modules and second-hand sensors. This is a practical supplement to your knowledge when planning an engine controller replacement.

Related BMW electronic control modules and controllers

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as additional controllers, auxiliary modules, or onboard system controllers, check out the available parts in the BMW electronic control modules and controllers category.