BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key

BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit is a factory electronic engine control unit designed for N47 diesel engines in 1 Series and 3 Series models after the facelift. As an item from the Electronic control modules and controllers category, it is responsible for the precise management of diesel engine operation, injection parameters, and communication with other vehicle systems. This is a solution for users looking for a proven, original ECU for professional repair or replacement.

Specifications and technical data

• SKU: 8512499-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8512499
• Substitutable numbers: 13618577664, 13618506375, 13618510592, 13618506433, 13617823423, 13617823422, 13618506434, 13618512499, 13617812540, 13618518167, 0281017551, 61359237047
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented engine control unit is dedicated to Diesel engines from the N47 family used in BMW E87 and E90 LCI series in 116d and 316d versions. The controller manages key engine operating parameters, such as fuel dosage, boost pressure, exhaust emission control, and interaction with safety and comfort systems. Thanks to its factory ECU architecture, it maintains full compatibility with the vehicle's electrical installation, communication bus, and other electronic modules. This is particularly important when replacing a damaged controller, where maintaining the original logic of the vehicle's systems is essential.

Benefits of using an original engine control unit

Using an original controller in an N47 engine ensures:

• consistency with factory software and vehicle configuration,
• proper cooperation with the diesel injection system and diagnostic systems,
• stable operation of the engine across the full load range,
• possibility of professional adaptation and coding at a specialized service center. For users and workshops, this means a lower risk of communication issues between modules, easier diagnostics, and predictable vehicle behavior after repair. Choosing such a controller is a practical service solution in the event of an ECU failure or the need for its replacement.

Application in service practice

The engine control unit for the BMW E87 and E90 LCI with the N47 engine is suitable for both typical replacement of a damaged controller and more complex powertrain repairs. This component can be used in:

• repairs following engine electronics failure,
• restoring full functionality of the engine after ECU errors,
• professional upgrades or reconfigurations of the engine control system. Due to the nature of the product in the Electronic control modules and controllers category, installation and configuration should be performed by a workshop with appropriate diagnostic equipment and experience in working with BMW electronics.

Product characteristics and condition

The offered engine control unit is a used component, which in workshop practice often represents a cost-effective solution while maintaining the manufacturer's original specifications. Such controllers, after proper adaptation and coding, allow for effective vehicle repair without the need to resort to more expensive, new components. For additional certainty in part selection, it is worth paying attention to the manufacturer's markings and available interchangeable numbers in the technical specifications section – this facilitates unambiguous identification of the ECU for a specific engine version and vehicle model year.

Technical support and electronics selection

If you want to better understand when choosing a used engine controller is justified and how to safely approach the purchase of automotive electronics, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips on selecting ECUs and other modules there. 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 controllers, engine management modules, or other ECU units, check out the available parts in the BMW electronic control modules and controllers category.