BMW E87 LCI E90 120d 320d N47 Unite de Commande de Moteur Dde 8512498 + CAS3 Cle

BMW E81 E87 E90 120d 320d N47 Engine Control Unit is a factory electronic control module designed for N47 units in Series 1 and 3 models with manual transmission. As an item from the Electronic Control Units and Controllers category, it is responsible for precise engine management, fuel injection, and interaction with other vehicle systems. This is a practical solution for users looking for a tested, used ECU controller matched to BMW specifications.

Spécifications et données techniques

• UGS: 8512498-3
• Marque: d'origine BMW
• Condition: D'occasion
• Numéro de pièce OEM: 8512498
• Nombres substituables: 13618512498, 8512498, 13617812538 13618506437 13618510591 13617823421, 7812538 8506437 8510591 7823421, 13618506374 13617823420 13618506438, 8506374 7823420 8506438, 0281017550 61359237047, 0 281 017 550, 9237047
• Type de boîte de vitesses: Boîte de Vitesses Manuelle
• Catégorie: Allumage CDI / ECU

Intended Use and Compatibility

The control unit is designed to work with the N47 engine in BMW Series 1 E81/E87 and Series 3 E90 models in the 120d and 320d versions equipped with a manual gearbox. The appropriate configuration for the drive type and vehicle's electrical architecture ensures the preservation of the engine unit's factory operating parameters and correct communication with the vehicle's systems.

The component belongs to the group of electronic engine control modules, meaning it is responsible for processing signals from sensors, controlling injection, fuel metering, and interacting with safety and comfort systems. This allows for maintaining stable operation of the engine unit, in line with the manufacturer's specifications.

Function and Role in the Drivetrain

The ECU controller in this application plays a key role in managing the parameters of the diesel engine's operation. Based on data from sensors, it analyzes load, temperature, rotational speed, and driving conditions, then selects appropriate control maps. This allows for:

• maintaining proper dynamics while ensuring reasonable fuel consumption,
• coordinating the injection system's operation with other vehicle systems,
• handling diagnostic functions and error logging in the controller's memory.

Thanks to its adaptation to the manual gearbox, the controller works with the drivetrain's characteristics, promoting smooth throttle response and predictable vehicle behavior in various operating conditions.

Benefits of Using an Original BMW Controller

Using an original module from the Electronic Control Units and Controllers group ensures consistency with the factory BMW electrical architecture. This means proper matching of wiring harnesses, connectors, and software to the specific vehicle configuration. In practice, this translates to:

• easier integration with the existing electrical system,
• correct communication with other controllers on the vehicle network,
• the possibility of further diagnostics using standard BMW service tools.

A used engine controller is a good choice when the existing module has suffered electronic or software damage, and the vehicle owner is looking for a solution to restore the car's functionality while keeping costs reasonable.

Selection, Programming, and Installation Aspects

Before installation, it is recommended to verify the controller's compatibility with the specific vehicle configuration, particularly regarding the engine version, year of manufacture, and equipment. In many cases, it is necessary to properly code or adapt the module to the specific car to ensure full functionality of all systems.

To better understand the principles of selecting used ECUs, hardware and software compatibility issues, and typical installation procedures, it is worth consulting the guide: Used Automotive Electronics – Second-Hand ECUs and Sensors. The article discusses practical aspects of working with onboard electronics, which facilitates making an informed purchasing decision.

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 parts from the same group, such as additional control modules, auxiliary controllers, or related electronic units, check the available parts in the BMW Electronic Control Units and Controllers category.

This approach allows for a cohesive refresh of the entire control system, promoting stable engine unit operation and facilitating subsequent diagnostics and servicing.