BMW E81 E82 E87 LCI E88 N47S 123d 204HP ECU Kit DDE 8510593 CAS 3 Key Manual

BMW E81 E82 E87 LCI E88 N47S 123d 204HP ECU Kit DDE CAS 3 Key Manual is a complete set from the Electronic control modules and controllers group, designed for the N47S diesel engine in the 123d 204HP version with a manual transmission. The set includes a DDE controller, a CAS 3 module, and a matched key, which facilitates seamless integration with the vehicle's electronics and reduces the risk of immobilizer-related issues.

Specifications and technical data

• SKU: 8510593-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8510593
• Substitutable numbers: 13618518168, 8518168, 13617823425, 13617823424, 13617812539, 13618506442, 13618506441, 13618507245, 13618512500, 13618510593, 7823425, 7823424, 7812539, 8506442, 8506441, 8507245, 8512500, 8510593, 0281016926, 61359226238, 9226238
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and compatibility

The presented ECU kit is dedicated to BMW 1 Series E81, E82, E87 LCI, and E88 models equipped with the N47S 123d 204HP diesel engine and a manual transmission. Combining the DDE controller with the CAS 3 module and the key ensures software consistency and compatibility with the vehicle's factory electrical architecture.

This type of solution is particularly useful when replacing a damaged engine controller or during repairs where it is necessary to maintain proper operation of the fuel injection system, start/stop system, and anti-theft security features.

Structure of the ECU DDE + CAS 3 + key kit

The set includes a DDE engine controller responsible for managing the diesel unit, a CAS 3 module that handles start authorization functions, and a matched key that works with this module. This configuration allows for data integrity between system components and facilitates the adaptation process in the vehicle.

Thanks to the factory configuration of the elements, the kit supports the diesel engine's operating characteristics, including injection control, turbocharging, and cooperation with the manual transmission, which translates into stable engine performance after proper installation and coding.

Application in a diesel engine with a manual transmission

The system has been designed with the specifics of a diesel engine in mind, where precise control of fuel dosage, boost pressure, and injector operating parameters is crucial for the durability and refinement of the unit. Integration with a manual transmission allows for accurate mapping of torque control strategies, which is important for smooth acceleration and protection of the drivetrain.

A properly selected ECU DDE kit with a CAS 3 module and key minimizes the risk of communication errors on the vehicle's buses, which is significant for the advanced diagnostic systems used in BMW vehicles.

Benefits of using a complete kit

Choosing a complete engine controller kit with a CAS 3 module and key reduces the time required for configuration and decreases the number of potential failure points compared to sourcing individual components. The consistency of the components facilitates workshop tasks during programming and adaptation to a specific vehicle.

The product comes from the Electronic control modules and controllers group, meaning it has been designed to operate in the demanding environment of the engine bay and electrical system, while maintaining the appropriate quality standards for the BMW brand.

Condition and installation tips

The kit components are from the secondary market, which provides a cost-effective solution while maintaining the manufacturer's original specifications. Before installation, it is recommended to verify compatibility with the specific vehicle configuration and to perform appropriate programming and adaptation procedures at a specialized service center.

To fully utilize the kit's potential, it is worth using computer diagnostics after installation to check communication between the DDE controller, the CAS 3 module, and other vehicle systems.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of your BMW's engine electronics and need other components from the same group, such as additional controllers, comfort modules, or engine management systems, check the available parts in the BMW electronic control modules and controllers category.

When selecting a used ECU kit, CAS module, and key, a guide describing the principles of matching by OEM numbers, hardware and software compatibility, and typical installation procedures will be helpful – this is discussed in detail in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.