BMW E60 E61 525i E90 E91 325i N52 Engine ECU Control Unit DME 7561817 Automatic

BMW E60 E61 525i E90 E91 325i N52 Engine ECU Control Unit DME is a precision electronic control module designed for vehicles with an automatic transmission and a petrol engine. Engineered as a core component of the engine management system, it ensures stable control of engine parameters and proper integration with other vehicle systems. This used module from the Electronic control modules and ECUs category provides a functional solution for repairs and diagnostics of the BMW E60, E61, E90, and E91 powertrain.

Specifications and technical data

• SKU: 7561817
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561817
• Substitutable numbers: 7561685, 12147561685, 7577970, 12147577970, 7563044, 12147563044, 7568964, 12147568964, 7559675, 12147559675, 7559593, 7561817, 5WK98083
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the N52 DME control unit

The presented engine control unit is dedicated to BMW 5 Series E60/E61 525i and 3 Series E90/E91 325i models with the N52 engine, where it acts as the central module managing the petrol engine's operation. It is responsible for processing sensor signals, controlling fuel injection, ignition timing, and communicating with the automatic transmission, which results in smooth engine performance and correct responsiveness to driver input.

As part of the factory control system, the DME module integrates with the vehicle's electrical installation, the OBD diagnostic system, and other controllers within the vehicle network. This ensures consistency in software and logic across the entire powertrain, which is crucial for both daily operation and advanced service diagnostics.

Benefits of using an original control module

Using an original DME control unit in a BMW with an N52 engine allows you to maintain factory engine performance parameters without the need for installation adaptations or wiring modifications. The module is structurally matched to the specific configuration of the petrol engine and automatic transmission, which reduces the risk of communication errors between controllers and software compatibility issues.

In practice, this translates into:

• consistent cooperation with vehicle safety and comfort systems,
• the ability to perform correct coding and programming using standard BMW service tools,
• easier diagnostics of faults related to engine and automatic transmission operation,
• maintaining the predictable performance characteristics of the N52 engine under various load conditions.

Application in vehicles with automatic transmission and petrol engine

The control unit has been developed for configurations where the N52 petrol engine works with an automatic transmission. This means that the control logic accounts for data exchange between the engine module and the transmission controller, which influences gear shift quality, throttle response, and idle stability in various driving modes.

Thanks to this solution, it is possible to maintain proper synchronization of engine torque with the automatic transmission's operation, which improves driving comfort, reduces jerking, and ensures the correct operation of driver assistance systems. When replacing a faulty controller with a functional module from the same design group, the service center can restore full powertrain functionality while adhering to the manufacturer's original specifications.

Professional application in BMW diagnostics and repairs

The offered DME control unit is particularly useful in workshops specializing in the BMW brand, where repairs related to engine electronics, vehicle network communication errors, or starting issues are frequently performed. The used module can be used as a replacement part after appropriate software matching, allowing for effective and economical repair without the need for expensive new components.

For more complex tasks involving the simultaneous maintenance of the multimedia system, comfort modules, or other controllers, it is worth using practical tips on working with BMW electronics. A detailed discussion of issues related to the iDrive system, FRM modules, and engine controllers in the 3 and 5 series can be found in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models.

If you are also interested in the impact of using original used electronic components on the vehicle's resale value, you will find helpful information in the guide: Original used parts vs. resale value – how not to lose money?.

Expanding repairs within BMW engine control

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 additional controllers, engine management modules, or related electronic systems, check out the available parts in the Electronic control modules and ECUs for BMW category.