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 practical solution for workshops and users who need a verified engine electronics set. The product belongs to the Electronic control modules and ECUs category and enables a consistent replacement of key components of the engine control system in BMW vehicles.

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

Purpose and function of the ECU DDE + CAS2 + Key kit

The presented set includes the DDE engine control unit, the CAS2 module, and a matched key, which allows for maintaining the compatibility of the immobilizer and starting system in BMW 1 Series E87 and 3 Series E90/E91 vehicles with the M47N2 diesel engine in 118d and 318d versions. Thanks to this kit, it is possible to replace the control electronics consistently without the need to program the entire security system from scratch.

A set configured in this way is particularly useful in situations where the original controller has been damaged, communication problems have occurred in the bus, or there are starting difficulties resulting from a mismatch between the ECU, the CAS module, and the key.

Benefits of using a complete engine control unit set

Using a complete ECU DDE set with the CAS2 module and key provides several significant service benefits:

• maintaining the consistency of the immobilizer and starting system,
• reducing the time required for adaptation and coding,
• reducing the risk of synchronization problems between the engine controller and the CAS module,
• the possibility of effective vehicle repair after engine electronics failure.

As an item from the Electronic control modules and ECUs group, this set is an important component of the powertrain, influencing the operation of the M47N2 unit, combustion parameter control, and communication with other vehicle systems.

Product characteristics and condition

The offered set comes from a BMW vehicle and is a used product, which allows for economical repair compared to purchasing new electronics. The set includes components factory-matched to work with each other, which facilitates installation and subsequent operation in properly matched models.

By maintaining the original configuration of the ECU DDE, CAS2 module, and key, the user receives a consistent package that, after proper installation and potential adaptation to a specific car, can restore full functionality of the engine control system.

Selection by OEM numbers and interchangeable numbers

When selecting an engine controller and electronic modules in a BMW, it is crucial to compare the OEM part number and available interchangeable numbers. This product has an assigned part number and a reference list, which facilitates verification of compatibility with a specific version of the vehicle and powertrain.

To better understand when it is worth reaching for used engine controllers and other electronic modules, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips there regarding the selection and safe installation of used automotive electronics.

If you want to deepen your knowledge on verifying component compatibility by OEM numbers and avoid mistakes when shopping online, the following guide will also be helpful: Online parts shopping without risk – 5 proven ways to verify component compatibility by OEM numbers and paint codes.

Expanding the control system in BMW – related elements

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

Summary

BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE CAS2 + Key is a practical, complete engine electronics set designed for specific BMW models with the M47N2 unit. After proper selection and installation, it allows for effectively solving problems with a damaged controller, a faulty immobilizer, or a lack of communication between modules, providing a functional and cost-effective solution for professional workshops and conscious users.