Description
The BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual is a complete control kit designed for BMW vehicles equipped with the N47 engine producing 177 HP and xDrive. The kit includes the DDE engine control unit, the CAS3 module, and a matched key, facilitating seamless integration with the vehicle’s electronics. This solution enables efficient replacement of the factory control system in cars fitted with a manual gearbox.
Specifications and technical data
- SKU: 8512498-4
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 8512498
- Substitutable numbers: 13618512498, 8512498, 13617812538, 7812538, 13618506437, 8506437, 13618510591, 8510591, 13617823421, 7823421, 13618506374, 8506374, 13617823420, 7823420, 13618506438, 8506438, 0281017550, 0 281 017 550
- Gearbox type: Manual
- Category: ECUs & Computer Modules
Purpose and Compatibility
The presented ECU kit is dedicated to BMW E84 and E90 LCI models in the 20dX and 320xd versions with the 177 HP N47 engine. The kit has been configured for xDrive all-wheel drive and a manual transmission, which is crucial for proper cooperation with the drivetrain and vehicle safety systems.
The inclusion of the CAS3 module with a matched key means that the entire engine control, immobilizer, and start authorization system comes from a single set. This minimizes the risk of synchronization issues, CAN bus communication errors, and the need for time-consuming adaptation of individual components.
Kit Construction and Component Functions
The kit includes the DDE control unit responsible for managing the N47 diesel engine’s operation, the CAS3 module handling immobilizer and key authorization functions, and a key matched to this module. This configuration ensures data consistency within the control units’ memories and correct vehicle identification during startup.
As an element from the Electronic Control Modules and Units category, this complete set is responsible for precise control of injection, boost, engine accessory operation, and communication with other modules in the vehicle. The use of original BMW components helps maintain the engine’s factory operating parameters and the stability of onboard systems.
Practical Application and Installation Benefits
The ECU kit with CAS3 and key is particularly useful for engine replacements, repairs after electronic damage, or immobilizer issues. The complete package allows for programming to be kept to a minimum, as the key security and control system components come from a single donor vehicle.
- A cohesive control unit–CAS3–key set simplifies vehicle startup after repair.
- Compatibility with a manual gearbox promotes correct drivetrain cooperation.
- Original BMW electronics help maintain stable communication with other modules.
For workshops specializing in the BMW brand, such a kit offers a convenient service solution, reducing diagnostics and installation time while minimizing the risk of software incompatibility.
Condition, Verification, and Selection by Part Numbers
The product is from the secondary market, allowing for economical repair while maintaining the original manufacturer’s specifications. Before installation, standard diagnostic verification and adaptation to the vehicle’s equipment version are recommended to ensure proper cooperation with the existing installation.
To better understand the principles of selecting used engine control units, CAS modules, and other electronic components, it is worth consulting the guide on selection by OEM numbers, hardware and software compatibility, and installation procedures: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?.
BMW Control System Expansion
If you are planning a comprehensive engine area repair or upgrade for your BMW and need other parts from the same group, such as additional control units, comfort modules, or drivetrain management systems, check the available parts in the BMW Electronic Control Modules and Units category.
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