BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key

BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE CAS2 + Key is a complete engine control set designed for selected BMW 1 and 3 Series models with the M47N2 unit. It includes the DDE controller, CAS2 module, and a matched key, which facilitates restoring the proper operation of the drivetrain after an electronics failure. This solution allows for a consistent match of immobilizer components and the engine controller in one practical set.

Specifications and technical data

• SKU: 7798179-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798179
• Substitutable numbers: 13617808124, 7808124, 13617803372, 7803372, 13617801710, 7801710, 13617799854, 7799854, 13617798179, 7798179, 13617797496, 7797496, 13617797216, 7797216, 13617795844, 7795844, Control Unit, 0281012502, 0 281 012 502, 61356943771
• Category: ECUs & Computer Modules

Application and function of the BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE CAS2 + Key

The presented set belongs to the Electronic control modules and controllers group, responsible for managing the operation of the M47N2 diesel engine in BMW 118d and 318d models. The DDE controller works with the CAS2 module and the key, creating a coherent system for start authorization and engine parameter control. This makes it possible to restore proper communication between the engine, immobilizer, and the vehicle's electrical system.

Benefits of using the complete set

The ECU set with the CAS2 module and key provides a number of practical advantages in the repair process:

• consistency of electronic components responsible for starting and engine control,
• reduction of the need to program many separate modules from scratch,
• facilitation of workshop work when replacing a damaged DDE controller,
• maintaining compatibility with the electrical architecture of the BMW 1 Series E87 and 3 Series E90/E91 with the M47N2 engine. For the user, this means a more predictable repair process and the ability to restore stable engine operation using original BMW electronics.

Product characteristics and condition

The offered set comes from a BMW vehicle and is an OEM product, which translates into a factory fit for the electrical installation and communication bus in compatible models. The components are in used condition, which in practice means they have been removed from a functional vehicle and may require a standard adaptation or coding procedure depending on the car's configuration. Choosing an original ECU DDE set with the CAS2 module and key is particularly beneficial in situations where there is damage to the engine controller, problems with the immobilizer, or a lack of communication between modules. The complete package helps reduce the risk of incompatibility between individual electronic components.

Installation and operational tips

Due to the technological advancement of BMW engine control systems, it is recommended to entrust the installation of the BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE CAS2 + Key to a workshop with experience in this brand's electronics. It is crucial to properly connect the wiring harnesses, verify communication via the bus, and potentially adjust the configuration to the specific vehicle. A correctly installed set allows for stable engine operation, proper functioning of security features, and maintenance of the driving characteristics typical for the M47N2 unit.

Expanding the control system in BMW

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, comfort modules, or engine management units, check the available parts in the BMW electronic control modules and controllers category. To compare manufacturers' approaches to maintaining a car's character and electronic performance, it is worth reading an article describing how original modules and controllers affect driving properties – more information can be found in the material Audi and pure emotion. How do used parts help maintain the brand's DNA?.