BMW F10 LCI F22 F30 F32 228i 328i 428i 528i Petrol N20 245HP ECU DME 8631725

BMW F10 LCI F22 F30 F32 228i 328i 428i 528i Petrol N20 245HP ECU DME is an original engine control unit designed for N20 petrol engines with 245 HP. The DME module is responsible for precise engine management, ensuring stable performance, correct fuel delivery, and consistency with BMW's factory electronic architecture. Choosing this component allows you to maintain the drive characteristics in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: 8631725
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8631725
• Substitutable numbers: 12148664661, 8664661, 12148617551, 8617551, 12148626172, 8626172, 12148624820, 8624820, 12148639595, 8639595, 12148610635, 8610635, 12148631725, 8631725, KZ
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The controller from the Electronic control modules and ECUs group plays a key role in managing the N20 petrol engine. It controls, among other things, injection timing, ignition angle, accessory operation, and cooperation with other vehicle systems, such as the stability control system or the automatic transmission. As a result, the powertrain maintains proper operating culture, and throttle response remains predictable and consistent with factory BMW settings.

A properly selected DME controller is particularly important for cars equipped with a turbocharged petrol engine, where control precision has a direct impact on component durability, fuel consumption, and the safety of the entire powertrain.

Compatibility with the N20 petrol unit

The presented module has been designed to work with the Petrol N20 245HP engine, used in selected BMW 2, 3, 4, and 5 series models. This means it is matched to the specific injection and ignition maps, turbocharger characteristics, and emission requirements for this unit. Using the correct controller eliminates problems with improper engine operation resulting from the use of an unsuitable module or universal replacements.

To maintain full compatibility with the vehicle's electrical system and other controllers on the CAN network, installation and potential coding at a specialized service center are recommended, as they will match the DME configuration to the specific vehicle.

Benefits of using an original BMW module

Choosing an original controller from the Electronic control modules and ECUs group by BMW allows you to maintain software and hardware consistency throughout the vehicle. This translates into:

• stable engine operation across the entire rev range,
• proper cooperation with safety and comfort systems,
• preservation of factory power and torque parameters,
• reduction of communication error risks between modules.

A used OEM component is often more predictable than a cheap replacement because it was originally designed specifically for this engine and electronics configuration. If you want to better understand why this solution is beneficial, it is worth reading the article 5 reasons why a used OEM part is a better choice than a replacement, which discusses the practical differences between originals and replacements.

Condition, installation, and practical aspects

The offered controller is a used item, which in practice means it comes from disassembly and may require standard adaptation procedures, such as programming or matching to the immobilizer in a specific vehicle. Such modules are frequently chosen for repairs following electrical damage, water ingress, or unsuccessful software modifications.

Before installation, it is recommended to verify compatibility with the part number and vehicle configuration based on the manufacturer's catalog or specialized service software. A correctly selected and coded controller allows you to restore full powertrain functionality without the need for extensive wiring modifications.

Expanding the BMW control system

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

For a comparison of how other premium manufacturers approach original electronic modules, you can also read the article Audi and pure emotion. How do used parts help maintain the brand's DNA?, which shows how important it is to use the right OEM components in premium class cars.