BMW E82 Engine Control Unit ECU CAS 2.0 Diesel 204HP N47D20B Manual 7810002 KIT

BMW E82 Engine Control Unit ECU CAS 2.0 Diesel 204HP N47D20B Manual KIT is a specialized component from the Electronic control modules and ECUs category, designed for systems with a diesel engine and a manual transmission. The controller is responsible for advanced management of comfort and safety functions, interacting with the vehicle's electronics in a precise and stable manner. This solution is dedicated to users who expect a proven component tailored to the specifics of the N47D20B unit.

Specifications and technical data

• SKU: 7810002-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810002
• Substitutable numbers: 13617811702, 7811702, 13618512589, 8512589, 13617812002 13617810002 13617808402 13618506325, 7812002 7810002 7808402 8506325, 13617809002 13617812502 13618508713, 7809002 7812502 8508713, 123d, N47S, 0281013776, 0 281 013 776, 61359147196, 9147196, 13618506325, 8506325, 13617812502, 7812502, 13617812002, 7812002, 13617810002, 7810002, 13617809002, 7809002, 13617808402, 7808402
• Fuel type: Diesel
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

System purpose and compatibility

The presented CAS controller is designed for BMW 1 Series E82 models with a 2.0 Diesel engine producing 204 HP, operating in a configuration with a manual transmission. It is responsible for integrating key electronic functions, such as start authorization, communication with other modules, and monitoring selected vehicle circuits. Thanks to its adaptation to the specific fuel type and transmission type, the module interacts with the vehicle's installation in a predictable manner consistent with factory specifications.

Technical characteristics of the controller

As an element from the Electronic control modules and ECUs category, the CAS controller operates within the vehicle's communication network, exchanging data with other onboard modules. The device's design is prepared for operation in a diesel engine environment, where precise signal management and resistance to electromagnetic interference are essential. The applied electronic solutions enable stable handling of functions related to starting, ignition locking, and communication with comfort systems. The module is intended for use with a manual transmission, which is significant for the logic of security systems and the way information about the drivetrain status is transmitted. As a result, the controller maintains compatibility with the original vehicle configuration, which facilitates diagnostics and subsequent maintenance.

Application in service practice

Replacing the CAS controller in a BMW E82 with a diesel engine is often part of broader work on the vehicle's electronic system, especially when problems arise with starting, communication between modules, or improper operation of comfort functions. Using a properly selected kit allows for restoring correct cooperation with the N47D20B power unit and the manual transmission, minimizing the risk of software conflicts. The product comes from dismantling, which in service practice means the possibility of an economical repair while maintaining the original BMW electronic architecture. For workshops specializing in the brand, this is a beneficial solution, allowing the module to be matched to the specific vehicle configuration without the need for substitutes with uncertain specifications.

Benefits of using an original BMW controller

Using an original CAS controller in a BMW E82 ensures:

• consistency with the vehicle's factory electronic network,
• proper cooperation with the diesel engine and manual transmission,
• easier diagnostics using dedicated service tools,
• the ability to maintain original security logic and comfort functions. For users and service centers, this means more predictable vehicle behavior after repair and a reduction in the risk of problems resulting from incompatible electronic solutions.

Expanding knowledge and selecting BMW electronics

If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other elements from the same group, such as comfort modules, engine controllers, or lighting management units, check out the available parts in the BMW Electronic control modules and ECUs category. To better understand the relationships between the engine controller, comfort modules, and the multimedia system in vehicles of this brand, it is worth referring to a guide describing the practical aspects of electronics repair. A detailed discussion of the operation of iDrive modules, FRM, and engine controllers in popular models can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using parts from dismantling?. In the case of diesel units from the N47 family, to which the engine cooperating with this CAS controller also belongs, information about typical faults and service prevention may be useful. Practical tips regarding operation and repair can be found in the guide BMW N47 timing chain – typical failure and repair using original BMW parts, which will allow for better planning of work on the entire drivetrain.