BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key

BMW E87 LCI E90 118d 318d N47 Diesel Engine Control Unit is an original electronic control module from the Electronic Control Units and Controllers category, designed for BMW diesel engines with the N47 engine. This is a solution for users who want to restore the correct operation of the injection system and engine control, while maintaining factory operating parameters and compatibility with the vehicle's electronics.

Specifications and technical data

• SKU: 7809001-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7809001
• Substitutable numbers: 13617809001, 7809001, 61359147195, 9147195, 13618506281, 8506281, 13617812501 13617810001 13617811701 13617807143, 7812501 7810001 7811701 7807143, 13617807204 13617812001 13617807828 13617807529, 7807204 7812001 7807828 7807529, 13618508712 13617808403 13617806700
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and Function of the Controller

The presented engine control unit is responsible for advanced control of the Diesel engine operation in BMW 1 Series E87 LCI and 3 Series E90 models, specifically the 118d and 318d versions with the N47 engine. The module manages, among other things, fuel injection, engine ancillary operation, and communication with other electronic vehicle systems, which translates into stable running characteristics, appropriate dynamics, and compliance with factory control maps.

Benefits of Using an Original BMW Module

Choosing an original BMW controller from this series ensures software and hardware consistency within the vehicle. This allows you to:

• maintain the factory operating characteristics of the N47 engine,
• minimize the risk of communication problems within the CAN network and with other modules,
• increase the likelihood of seamless adaptation in the vehicle after appropriate programming.

Additionally, using a module from the Electronic Control Units and Controllers group dedicated to a specific engine configuration and fuel type reduces the need for wiring modifications and simplifies future diagnostics.

Condition, Origin, and Practical Application

This engine control unit comes from a BMW vehicle and is offered as a used part, providing a cost-effective solution while maintaining original hardware specifications. This type of module is particularly useful in situations where the existing controller has suffered electronic damage, communication issues with the ECU are present, or replacement is necessary as part of an injection system repair for the N47 engine.

Thanks to the presence of dedicated part numbers and interchangeable numbers, it is possible to precisely match the controller to a specific version of the BMW E87 LCI or E90 118d/318d, taking into account equipment configuration and software version, which is crucial for the correct operation of the entire powertrain.

Selection by Numbers and Technical Support

To correctly select this engine control unit for your car, it is advisable to use the OEM part number and reference numbers assigned to the specific controller. This helps avoid hardware and software compatibility issues, and also speeds up the installation and coding process in the vehicle.

If you want to deepen your knowledge on selecting and installing used controllers, verifying compatibility by numbers, and practical aspects of installation, consult the guide: used automotive electronics – second-hand ECUs and sensors. You will find information on selection by VIN/OEM, hardware and software compatibility, and answers to the most common installation questions.

BMW Electronic Control Units and Controllers – Related Offer

If you are also looking for other BMW Electronic Control Units and Controllers suitable for various models and engine configurations, check out our dedicated category: BMW Electronic Control Units and Controllers. This will allow you to easily compare available controllers, comfort modules, or other onboard electronics for use in your vehicle.

For BMW 3 Series E90 users interested in a broader context of operation and common engine unit problems, we have also prepared a practical resource: problematic BMW E90 engines – a guide to troublesome units. This will help you better understand when a controller replacement might be part of a larger repair process and what to look out for during further vehicle operation.