BMW F30 F31 320i Petrol N20 184HP Engine Control Module ECU DME 8617551 Manual

BMW F30 F31 320i Petrol N20 184HP Engine Control Module ECU DME is an original module from the Electronic control modules and controllers group, designed for a petrol engine paired with a manual transmission. This solution is dedicated to the BMW 3 Series drivetrain, ensuring proper management of engine operation, fuel injection, and key protective strategies.

Specifications and technical data

• SKU: 8617551-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8617551
• Substitutable numbers: 12148664661, 8664661, 12148617551, 8617551, 12148626172, 8626172, 12148624820, 8624820, 12148639595, 8639595, 12148610635, 8610635, 12148631725, 8631725, 0261S09709, 0 261 S09 709
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented controller is designed to work with the N20 petrol engine in the BMW 3 Series F30/F31 320i model, in a configuration with a manual transmission. The DME module is responsible for precise control of fuel dosage, ignition, engine accessory operation, and communication with other vehicle systems via data buses.

A properly selected engine controller allows for maintaining the factory operating parameters of the powertrain, stable performance, and the correct operation of safety and onboard diagnostic systems. This is particularly important when replacing a damaged module or during post-collision repairs.

Benefits of using an original BMW module

The original DME controller from dismantling ensures:

• preservation of factory engine control logic and compatibility with the vehicle's electrical installation,
• proper cooperation with the manual transmission, including systems responsible for torque control,
• consistency with other electronic modules in the vehicle (ABS/DSC, comfort modules, multimedia systems),
• the possibility of professional adaptation and coding in accordance with the manufacturer's requirements.

Thanks to this, the BMW F30 F31 320i Petrol N20 184HP Engine Control Module ECU DME provides the right foundation for repairing the drivetrain without the need for using replacement solutions of uncertain quality.

Technical characteristics and vehicle integration

The module belongs to the Electronic control modules and controllers group, which means strict integration with the vehicle's electronic network. In practice, this translates into:

• support for advanced petrol engine control strategies,
• the ability to read and clear errors via standard BMW diagnostic tools,
• operation in a multi-module environment, where the engine controller exchanges information with other control units.

Before installation, it is recommended to verify software compatibility and perform coding and/or matching procedures for the specific vehicle, in accordance with BMW service practices.

Product condition and use in repairs

The offered controller comes from dismantling and is intended for reinstallation after performing appropriate service procedures (diagnostics, potential programming, matching to the immobilizer). This type of module is particularly useful for:

• repairing a vehicle after an electronic control unit failure,
• restoring the efficiency of the drivetrain after mechanical damage or flooding,
• professional repairs in specialized workshops dealing with BMW electronics.

A properly selected and prepared controller allows for restoring full engine functionality without interfering with the mechanics of the powertrain.

More about the operation of BMW electronic modules

To better plan your repair and understand the dependencies between the engine controller, comfort modules, and the multimedia system, it is worth checking out the guide on the operation and repair of electronics in the 3 and 5 Series. Practical tips 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 planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as engine controllers, DME modules, or other ECU units, check the available parts in the BMW electronic control modules and controllers category.