BMW E60 E87 E90 120d 320d 520d Engine N47 ECU Kit DDE 7807530 CAS3 + Key Manual

BMW E60 E87 E90 120d 320d 520d Engine N47 ECU Kit DDE CAS3 + Key Manual is a complete engine control kit designed for N47 diesel units in BMW 1, 3, and 5 series models. The set includes a DDE engine control unit, a CAS3 module, and a matched key, which facilitates restoring the proper operation of the drivetrain after an electronic failure. Thanks to the components being pre-matched in one set, it serves as a practical service solution when replacing a damaged ECU.

Specifications and technical data

• SKU: 7807530-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7807530
• Substitutable numbers: 13618506199, 8506199, 13617807530, 7807530, 13618512587, 8512587, 0281013536, 0 281 013 536, 61359226238, 9226238
• Fuel type: Diesel
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Application of the DDE CAS3 + Key ECU Kit

The presented kit is intended for BMW vehicles with an N47 diesel engine equipped with a manual transmission. Combining the DDE engine control unit with the CAS3 module and the key allows for maintaining the integrity of the immobilizer system and powertrain electronics, which significantly simplifies the adaptation process in the vehicle. This type of solution is particularly useful for major electronic faults, where it is necessary to replace the entire set rather than individual modules.

Technical and functional characteristics

The Engine Control Unit included in the kit is responsible for precise control of the diesel engine's operation – fuel dosing, boost pressure, auxiliary equipment operation, and communication with other vehicle modules. The CAS3 module acts as an anti-theft security system and manages start authorization, working in conjunction with the included key. As a result, the set provides a coherent electronic system, reducing the risk of starting and communication issues between controllers after installation in the car.

Benefits of using a complete kit

• Consistency of the engine control unit, CAS3 module, and key in one set.
• Simplified installation and configuration procedure compared to sourcing individual components.
• Solution dedicated to the N47 diesel engine with a manual transmission.
• Possibility of effective engine control system repair after an electronic failure.

For workshops specializing in the BMW brand, such a set provides a functional base for restoring full drivetrain efficiency without the need for time-consuming programming of multiple separate modules from scratch.

Condition and compatibility verification

The product belongs to the Electronic control modules and ECUs category and is offered as a used item, which allows for an economical repair while maintaining the manufacturer's original specifications. Before purchasing, it is recommended to verify the compatibility of the kit with the specific version of the N47 engine and the vehicle configuration (e.g., transmission type and equipment) to ensure proper cooperation with the existing electrical installation and other modules in the car.

Technical support and additional information

If you want to better understand when choosing a used engine control unit or a complete ECU kit is justified, how to assess its condition, and what to pay attention to during installation, check out the practical tips in the article A second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?. You will find tips there that are helpful when planning electronic repairs in your BMW.

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 control units, powertrain management modules, or related controllers, check out the available parts in the BMW electronic control modules and ECUs category.