BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key

BMW E60 E61 LCI 520d Diesel N47 Engine Control Unit 8506199 CAS3 is a factory electronic control module designed for N47 diesel engines in the facelifted 5 Series. This item from the Electronic Control Units and Controllers category is responsible for precise engine management, ensuring stable driving characteristics and proper cooperation with the CAS3 system. This is a solution for users who want to restore full powertrain functionality while maintaining the original BMW electrical architecture.

Specifications and technical data

• SKU: 8506199-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8506199
• Substitutable numbers: 8506199, 13618506199, 7807142, 13617807142, 7808401, 13617808401, 7807200, 13617807200, 7809000, 13617809000, 7812000, 13617812000, 7811700, 13617811700, 7810000, 13617810000, 7807827, 13617807827, 7807530, 13617807530, 7812500, 13617812500, 8508711, 13618508711
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Purpose and Role in the Powertrain

The offered engine control unit is dedicated to the facelifted BMW 5 Series E60/E61, specifically the 520d version with the N47 diesel engine. As the central element managing engine operation, the module oversees fuel injection, ignition timing parameters, and interaction with other vehicle electronic systems. This allows for the maintenance of proper performance, smooth operation, and compliance with factory engine maps for the diesel engine.

Benefits of Using an Original BMW Control Unit

Using an original engine control unit in a BMW 520d N47 ensures software and hardware consistency throughout the vehicle. In practice, this means:

• maintaining the factory operating logic for engine-related systems,
• correct communication with the CAS3 module and other controllers in the vehicle network,
• reduced risk of communication errors and engine starting problems,
• easier diagnostics using dedicated BMW service tools.

For the user, this translates into more predictable vehicle behavior and the ability to maintain a configuration close to what the manufacturer intended.

Technical Characteristics and Vehicle Integration

As an element from the BMW Electronic Control Units and Controllers group, the engine control unit is designed to operate within a diesel powertrain environment. The module interacts with sensors and actuators responsible for the N47 engine's operating parameters, as well as with safety and comfort systems that require engine status information. Proper configuration and adaptation to the specific vehicle version ensure stable operating parameters and correct functioning of diagnostic features.

Product Condition and Service Application

The offered control unit is a used item, making it an attractive alternative to new components for repairs and rebuilding of the engine control system. This type of module is used in both professional BMW specialist workshops and independent garages that service E60/E61 models with N47 engines. With proper selection and configuration, it effectively resolves issues related to damaged factory engine control units.

Selecting the Right Module and Additional Materials

When choosing a control unit for the BMW 5 Series, it is crucial to match it to the specific equipment version and diesel engine configuration. If necessary, it is advisable to seek specialist assistance to verify the module's compatibility with the particular vehicle. If you are looking for other BMW Electronic Control Units and Controllers, check our offer in the BMW Electronic Control Units and Controllers category, where you will find a wide selection of components for various models of this brand.

To better understand the importance of original electronic modules in modern premium cars, it is worth reading the article on our blog: Audi and Pure Emotion – How Used Parts Help Maintain the Brand's DNA. It illustrates how properly selected OEM parts influence a vehicle's character and long-term reliability.