BMW E90 E91 E92 E93 325i N53 218HP Engine Unit ECU Kit DME 7576719 CAS3 Key

BMW E90 E91 E92 E93 325i N53 218HP Engine Unit ECU Kit DME CAS3 Key is a complete engine control set from the Electronic control modules and controllers category, designed for BMW 3 Series models with the 218 HP N53 engine. The kit includes the DME engine controller, the CAS3 module, and a matched key, which facilitates restoring the proper operation of the powertrain after an electronics failure or during an engine replacement.

Specifications and technical data

• SKU: 7576719-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7576719
• Substitutable numbers: 12147616431, 7616431, 12147576719, 7576719, 5WK93630, 61356943834, 6943834
• Category: ECUs & Computer Modules

Application of the ECU DME CAS3 kit with key

The presented kit is dedicated to the 218 HP N53 petrol engine installed in the BMW 3 Series E90, E91, E92, and E93 generations. Combining the DME controller with the CAS3 module and a paired key allows for maintaining the integrity of the immobilizer system, which is crucial when replacing a damaged controller or complete engine electronics.

This solution significantly simplifies the service process – instead of time-consuming programming from scratch, the workshop receives a ready-to-use, pre-tuned kit that, after proper adaptation to the vehicle, allows for a quick start of the powertrain.

Construction and function of the kit components

The kit includes the DME engine controller responsible for precise control of fuel injection, ignition, and engine accessories, the CAS3 module managing start authorization, and a key matched to this module. This configuration ensures data consistency between the controller and the vehicle's security system.

By keeping the kit complete, it is possible to reduce problems with communication between modules, immobilizer errors, or the inability to start the engine after replacing the ECU alone. This is particularly important in modern BMWs, where engine electronics are closely linked to comfort and security systems.

Benefits of using a used ECU kit in a BMW

Choosing a used ECU DME kit with CAS3 and a key is a solution that allows for a significant reduction in repair costs compared to purchasing new modules, while maintaining high functionality. This type of kit is particularly useful in situations where:

• the original controller has suffered electrical or software damage,
• flooding or a power surge has occurred in the vehicle's electrical system,
• a complete engine with accessories is being replaced and compatible electronics are needed,
• the workshop wants to reduce diagnostic and programming time.

For professional service centers and workshops specializing in the BMW 3 Series, such a set is a practical solution that allows for faster vehicle restoration and limits the risk of coding issues.

OEM selection and compatibility – expert support

When selecting an ECU kit for a specific BMW, it is crucial to compare the OEM part number and interchangeable numbers, as well as verify hardware and software compatibility with your vehicle. Proper matching allows you to avoid CAN bus communication problems, engine operation errors, or incorrect start/stop system functionality.

If you want to deepen your knowledge about the safe selection of used engine controllers and sensors, how to select by VIN and OEM, as well as practical aspects of installation, check out the Global Parts guide: Used automotive electronics – ECU modules and second-hand sensors.

BMW electronic control modules and controllers – expansion and service

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, comfort modules, or light controllers, check the available parts in the BMW electronic control modules and controllers category.

Additional tips regarding the maintenance of electronics in BMW 3 and 5 Series, including engine controllers and comfort modules, are also provided in a practical guide: how to take care of BMW 3 and 5 Series electronic modules using dismantled parts.

Summary

BMW E90 E91 E92 E93 325i N53 218HP Engine Unit ECU Kit DME CAS3 Key is a functional, used control set designed for specific versions of the BMW 3 Series with the N53 engine. Combining the DME controller, CAS3 module, and a matched key facilitates the repair process, reduces the need for complicated programming, and allows for effectively restoring the full efficiency of the powertrain in your BMW.