BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual

BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE CAS3 Key Manual is an original electronic control unit designed for N47 177HP diesel engines in 1 Series E87 and 3 Series E90 models. As part of the Electronic control modules and controllers group, it is responsible for precise engine management, ensuring stable power characteristics and proper cooperation with other vehicle systems. This is a solution for users looking for a technically matched controller for a specific drivetrain configuration.

Specifications and technical data

• SKU: 7811700-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7811700
• Substitutable numbers: 13618506199, 8506199, 13617811700, 7811700, 13618512587, 8512587, 0281015043, 61359147212, 9147212, 13617812500, 7812500, 13617812000, 7812000, 13617810000, 7810000, 13617809000, 7809000, 13617808401, 7808401, 13617807827, 7807827, 13617807530, 7807530, 13617807200, 7807200, 13617807142, 7807142, 13617806699, 7806699
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine computer is dedicated to the 177HP N47 unit used in BMW E87 and E90 models, paired with a manual transmission. The module manages key engine operating parameters, such as fuel injection quantity, boost pressure, and starting strategy, which translates into correct dynamics, smooth operation, and compliance with factory control maps.

As an OEM component from the Electronic control modules and controllers category, it is designed for integration with the vehicle's factory electrical system without the need for modifying harnesses or connectors. This makes it the right choice when replacing a faulty controller or restoring a vehicle to its original configuration.

Benefits of use in BMW E87 and E90

Using the correct engine computer in an N47 177HP unit allows for maintaining software consistency with the rest of the vehicle's systems, such as the fuel injection system, safety systems, or comfort modules. A properly selected controller:

• ensures stable engine operating parameters across the full load range,
• facilitates diagnostics and service through compatibility with factory procedures,
• reduces the risk of communication errors between electronic modules,
• allows for maintaining the original performance characteristics intended for the 177HP version.

For users who value the consistency of the factory configuration, it is important that the controller is intended for a specific type of transmission, which is significant for torque management logic and cooperation with the drivetrain.

Selection by part numbers and compatibility

The engine computer has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification and selection for a specific BMW vehicle. When replacing, it is recommended to verify compatibility by part numbers and vehicle configuration (model, engine, transmission type) to ensure proper communication with other modules.

Because the controller belongs to the Electronic control modules and controllers group, its integration with the vehicle's installation is based on factory connector standards and communication protocols, which promotes seamless adaptation in the vehicle after proper configuration and potential programming.

Characteristics of the used product

The offered engine computer is a used component, meaning it comes from vehicle dismantling and may show signs of wear typical for this type of part. Such modules are popular as an economical alternative to new controllers while maintaining the original technical specification. In practice, this allows for reducing repair costs while maintaining compliance with BMW's factory electronic architecture.

Before installation, it is recommended to perform standard service procedures, such as checking the wiring, grounds, and power supply, as well as preparing the vehicle for potential adaptation or coding of the controller in accordance with the manufacturer's procedures.

Technical support and additional information

If you want to better understand how to safely use used control modules and how to select them by OEM numbers and in terms of hardware and software compatibility, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. You will find practical tips on installation, diagnostics, and the most frequently asked questions related to aftermarket electronics.

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