BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592

BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key is a set from the Electronic control modules and controllers group, designed to support the N47 engine unit in the 143 HP version. The kit includes the engine control unit along with the CAS 3 module and key, which facilitates matching the powertrain electronics to a specific BMW E90 vehicle and reduces the risk of immobilizer-related issues.

Specifications and technical data

• SKU: 8510592-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8510592
• Substitutable numbers: 8510592, 13618510592, 13618577664, 8577664, 13618506375136185064331361782342313617823422, 8506375850643378234237823422, 13618506434136185124991361781254013618518167, 8506434851249978125408518167, 0281016925, 61359226238, 9226238
• Category: ECUs & Computer Modules

Purpose and function of the kit

The engine computer + CAS 3 + key set is dedicated to the powertrain of the BMW E90 318d with the 143 HP N47 engine. The ECU controller is responsible for precise management of the diesel unit's operation, while the CAS 3 module integrates the functions of the immobilizer, key authorization, and engine starting. Thanks to this kit, it is possible to achieve consistent control of the engine and the vehicle's security system. Combining the ECU with the CAS 3 module and a matched key reduces the need for complex programming from scratch, which in many cases shortens repair time and simplifies the process of adapting the electronics to the car.

Benefits of using a complete ECU + CAS 3 + key set

The engine computer set with the CAS 3 module and key provides a number of practical advantages in BMW electronics service:

• a consistent package of components responsible for starting and engine control,
• maintaining compatibility between the controller, immobilizer, and key,
• reducing the risk of software conflicts when matching to the car,
• possibility of use in the repair process after an ECU failure or CAS problems,
• a solution particularly useful when replacing electronics after mechanical damage or flooding. For workshops specializing in BMW, such a set is a convenient starting point for further configuration, coding, and adaptation to the vehicle's specific VIN number.

Product characteristics and condition

The presented set comes from the Electronic control modules and controllers group, which means it is a component responsible for key electronic processes in the vehicle. The product is used, which in workshop practice often represents a reasonable compromise between cost and functionality, especially in the case of advanced control electronics. A used engine computer with a CAS 3 module and key is a solution frequently chosen for repairing vehicles after their operational mileage, where the priority is efficiency and compatibility rather than factory-new condition. This type of set allows for an economical restoration of the engine control system's efficiency while maintaining the correct security logic.

Selection by numbers and compatibility

In the case of BMW electronics, the correct matching of the controller and CAS module to the specific engine version and vehicle equipment is of key importance. This kit has an assigned OEM part number and an extensive list of interchangeable numbers, which facilitates verification of compatibility with a given E90 318d N47 143HP unit. When selecting, it is worth using the VIN number and comparing hardware and software markings in the service documentation. For additional technical support when choosing used electronics, it is worth using the Global Parts guide – it discusses in detail the issues of selection by VIN and OEM, HW/SW compatibility, and practical aspects of installation. More information can be found in the article Used automotive electronics – second-hand ECU modules and sensors.

Support for BMW electronics expansion

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as controllers, comfort modules, or powertrain management systems, check the available parts in the BMW electronic control modules and controllers category. Combining a complete ECU + CAS 3 + key set with properly selected other modules allows for building a consistent electronic system, minimizing the risk of communication errors in the vehicle network and facilitating subsequent diagnostics.