BMW 1 3 5 Series E60 E81 E90 120d 320d N47 Diesel ECU Kit DDE CAS 3 Key 7807827

BMW 1 3 5 Series E60 E81 E90 120d 320d N47 Diesel ECU Kit DDE CAS 3 Key is a complete set from the Electronic control modules and controllers category, designed for modern BMW diesel units with the N47 engine. The kit includes engine management and immobilizer components, allowing for a consistent, technically correct replacement of electronics in BMW diesel vehicles.

Specifications and technical data

• SKU: 7807827-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7807827
• Substitutable numbers: 61356943834, 6943834, 13618512587 8512587, 13617807827 7807827
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and function of the BMW 1 3 5 Series E60 E81 E90 120d 320d N47 Diesel ECU Kit DDE CAS 3 Key

The presented control kit is dedicated to BMW 1, 3, and 5 Series models with the N47 diesel engine. It includes the DDE engine control unit, the CAS 3 module, and a key, which allows for maintaining the consistency of the vehicle's security system and proper communication within the vehicle's bus. Thanks to this solution, it is possible to carry out the replacement of powertrain electronics in an orderly manner, while maintaining the integrity of the start and authorization system.

Benefits of using a complete control unit kit

Using a complete ECU kit with the CAS 3 module and key reduces the risk of compatibility issues between individual components and minimizes the need for additional programming. In practice, this means:

• consistent operation of the engine controller and the immobilizer system,
• orderly replacement of electronics within the powertrain,
• easier diagnostics in case of further service work. For workshops specializing in the BMW brand, such a kit is a convenient solution for repairing diesel units, especially in cases of electronic damage following mechanical failure or communication issues within the vehicle network.

Technical characteristics in the context of a diesel engine

The control system is prepared for operation with a Diesel engine, which means it supports the specific operating parameters of the N47 unit, such as fuel injection control, boost pressure monitoring, and supervision of auxiliary systems. The kit belongs to the Electronic control modules and controllers group, which emphasizes its role as a central element managing engine operation and communication with other modules in the vehicle.

Product condition and service application

The item comes from the secondary market and is intended for service applications in BMW vehicles where it is necessary to replace the engine controller along with the associated security system. This type of solution is particularly useful for repairs following electronic damage, vehicle starting problems, or when it is necessary to restore the complete engine control system. To correctly select the kit for a specific car, it is worth paying attention to compatibility with the N47 engine version and the vehicle's equipment configuration. The presence of the OEM part number and interchangeable numbers in the technical specification facilitates precise identification and matching of the component to a specific BMW unit.

Expansion of the control system in BMW – category and technical knowledge

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 additional controllers, body modules, or comfort management systems, check out the available parts in the BMW electronic control modules and controllers category. When deciding to install a used control kit, it is worth relying on reliable technical knowledge. Practical tips on selecting used engine controllers, comfort modules, and parking sensors can be found in the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? Additional information on the impact of original used components on vehicle resale value is provided in the entry: Original used parts vs. resale price – how not to lose money?