BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic

BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME is a factory-original engine control unit designed for the N20 petrol engine paired with an automatic transmission. This used module from the Electronic control modules and controllers category allows for professional powertrain repair without the need to rely on unreliable aftermarket replacements. By maintaining the original DME architecture, it ensures seamless operation of the engine, transmission, and other onboard systems.

Specifications and technical data

• SKU: 8610635-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8610635
• Substitutable numbers: 12148664661, 8664661, 12148617551, 8617551, 12148626172, 8626172, 12148624820, 8624820, 12148639595, 8639595, 12148610635, 8610635, 12148631725, 8631725, 0261S09264, 0 261 S09 264
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and role of the engine control unit

The offered engine computer is dedicated to BMW 3 Series F31 and F34 models in the 328i version with the 245 HP N20 engine and factory automatic transmission. As an Engine Control Unit, it is responsible for precise control of the petrol engine's operation, including fuel injection, ignition, and communication with the automatic transmission. A properly selected DME is crucial for stable powertrain performance, correct throttle response, and maintaining factory-rated power output.

Benefits of using an original BMW ECU

Using an original controller from a dismantled vehicle allows you to maintain the integrity of the vehicle's electronics, which is particularly important in modern BMW designs. Compatibility with the factory installation facilitates the adaptation and coding process in the vehicle, reducing the risk of communication errors with other modules. Compared to cheap replacements, the original ECU ensures predictable engine behavior, correct interaction with safety systems, and long-term operational stability.

Operating parameters and technical fitment

The controller has been designed specifically for the N20 petrol engine in the 245 HP configuration, meaning its maps and logic are tailored to the characteristics of this unit. Compatibility with the automatic transmission allows for proper data exchange between the DME and the transmission module, which translates into smooth gear shifts and correct torque management. The presence of the OEM part number and associated replacement numbers (visible in the specification) facilitates verification of compatibility with a specific vehicle configuration.

Application in repairs and diagnostics

This engine computer is suitable both for the standard replacement of a faulty DME and for more advanced powertrain repairs in the BMW 3 Series F31/F34 328i. It can be used in the diagnostic process when it is necessary to eliminate faults resulting from damage to the control electronics. Proper ECU matching to the fuel type and transmission type minimizes the risk of starting issues, rough engine idling, or communication errors with other modules.

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 DME controllers, engine management modules, or other electronic control units, check out the available parts in the BMW electronic control modules and controllers category.

Technical support and part selection

When selecting an engine controller for a specific BMW 3 Series configuration, it is worth relying on proven sources of knowledge. To better understand the relationships between the engine controller, comfort modules, and the iDrive multimedia system, as well as to learn practical tips on using parts from dismantled vehicles, read the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using parts from dismantled vehicles?. This will help you plan your repair more easily and avoid common mistakes when working with BMW electronics.

For users who are assembling a larger set of components for vehicle repair or modernization, the guide Comprehensive supply: From the engine to the smallest clip – how to source used car parts in one place?, which describes the advantages of a One-Stop-Shop approach when purchasing original used parts, may also be helpful.