BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7592080 CAS3 Key Automatic

BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME CAS3 Key Automatic is a complete engine control kit designed for BMW 3 Series models equipped with the 218 HP N53 engine and an automatic transmission. The set includes the DME engine control unit, the CAS3 module, and a matched key, which facilitates the restoration of proper drivetrain operation following an electronic failure. This solution is particularly useful when replacing a faulty ECU or performing an engine swap within the same BMW generation.

Specifications and technical data

• SKU: 7592080-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7592080
• Substitutable numbers: 12147616431, 7616431, 12147592080, 7592080, 5WK93724, 61359147226, 9147226
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and compatibility with BMW 325i N53

The kit is intended for BMW 3 Series E90/E91 LCI (facelift) models equipped with the 218 HP N53 petrol engine and an automatic transmission. Combining the DME controller with the CAS3 module and key ensures the consistency of the immobilizer system and starting logic, which is crucial when replacing electronics in modern BMW powertrains.

By maintaining the completeness of components from a single set, it is possible to reduce issues with adaptation, coding, and synchronization, which in practice shortens repair time and minimizes the risk of communication errors between modules.

Structure of the ECU DME + CAS3 + key kit

The offered set includes the DME engine controller responsible for managing the N53 unit, the CAS3 module that handles key authorization and starting functions, and a matched key that works with this specific set. This configuration allows for the transfer of the entire engine control system, along with security features, to another vehicle within the same platform.

Combining these elements into one product simplifies workshop operations – instead of selecting individual modules, the mechanic receives a coherent set that can then be coded and matched to a specific vehicle in accordance with BMW procedures.

Benefits of using a pre-owned ECU kit in a BMW

Choosing a pre-owned ECU DME kit with a CAS3 module and key is a solution that allows for a significant reduction in repair costs compared to purchasing new components, while maintaining the manufacturer's original specifications. The set comes from dismantling, ensuring that the factory electronics architecture is preserved and the components are consistent with the solutions used as standard in the BMW 3 Series.

This approach is particularly beneficial for repairs of older vehicles, where it is crucial to combine reasonable costs with maintaining proper cooperation of all modules within the vehicle's network. Electronic control modules and ECUs in an OEM configuration ensure proper bus communication and predictable drivetrain behavior.

Installation tips and service aspects

When installing the ECU DME kit with CAS3 and key, it is recommended that the work be performed by a workshop with experience in BMW electronics and access to appropriate diagnostic software. It may be necessary to carry out adaptation procedures, coding, and to verify the correctness of communication with other modules in the vehicle.

Professional installation minimizes the risk of system errors, starting problems, or improper engine operation. For workshops specializing in the BMW brand, such a complete kit is a convenient base for further configuration, and for the end user – a way to efficiently restore full vehicle functionality.

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 engine controllers, CAS modules, or other electronic control units, check the available parts in the BMW electronic control modules and ECUs category.

To better plan your repair and understand how to effectively use dismantled parts in BMW 3 and 5 Series electronic systems, it is worth reading the guide: Driving pleasure for years to come – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models.