BMW E81 E87 LCI E90 N43 120i 320i 1.6 Petrol ECU Kit DME 7595179 CAS3 Key

BMW E81 E87 LCI E90 N43 120i 320i 1.6 Petrol ECU Kit DME CAS3 Key is a complete engine control kit designed for petrol BMW models with a manual gearbox. The kit includes the DME engine control unit, the CAS3 module, and a matched key, making it easier to restore the electronic system's functionality after a failure or engine replacement. This is a practical solution for workshops and users looking for a cohesive, factory-standard engine electronics package.

Specifications and technical data

• SKU: 7595179-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7595179
• Substitutable numbers: 7595179, 12147595179, 7599881, 12147599881, 7507228, 12147507228, 7580279, 12147580279, 7593667, 5WK93727, 9147226, 61359147226, 12147593666, 7593666
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Application of the ECU DME CAS3 Key Kit in BMW

The presented kit is intended for BMW 1 Series and 3 Series cars with a 1.6 N43 petrol engine equipped with a manual gearbox. The combination of the DME engine control unit with the CAS3 module and key allows for seamless management of the immobilizer, starting, and engine operating parameters, which is crucial when replacing a damaged control unit or the entire engine electronics.

Benefits of Using a Complete ECU Kit

Choosing a complete ECU kit with the CAS3 module and key ensures:

• Electronic Cohesion – The engine control unit, comfort/immobilizer module, and key are synchronized, minimizing compatibility issues.
• Easier Adaptation – In many cases, the scope of necessary programming is reduced compared to replacing a single module.
• Safe Powertrain Operation – A correctly selected ECU kit supports stable petrol engine operation, including ignition and fuel injection control.
• Time Savings in the Workshop – A ready-made kit reduces the number of potential points of incompatibility between modules.

Technical Characteristics and Compatibility

The kit belongs to the category of Electronic Control Modules and Units, which includes advanced components responsible for managing engine operation and vehicle security. The DME control unit works with a petrol engine, and the configuration is prepared for cooperation with a manual gearbox, which is important when selecting parts for a specific body and drivetrain version.

The kit components have assigned OEM part numbers and a set of interchangeable numbers, which facilitates verification of compatibility with a specific vehicle. When selecting, it is recommended to compare the markings with the original control unit and consult with a car diagnostician or electronics specialist to confirm hardware and software compatibility.

Condition, Origin, and Practical Application

The kit comes from the BMW line and is an original vehicle electronics component. As a used part, it is a sensible choice for drivers and service centers looking to reduce repair costs while maintaining factory quality and fit. This type of ECU DME kit with CAS3 and key is particularly useful in situations such as:

• engine control unit damage due to power surge or flooding,
• immobilizer problems preventing starting,
• engine replacement along with electronic accessories,
• the need for rapid restoration of vehicle functionality after an electronics failure.

Technical Support and BMW Electronics Selection

When selecting a used ECU kit, it is advisable to use identification by OEM number and interchangeable numbers, as well as to verify the fuel type, gearbox type, and control unit type. A detailed discussion of selection principles, compatibility issues, and practical examples can be found in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?

If you are looking for other items in the Electronic Control Modules and Units category dedicated to this brand, check out the available BMW Electronic Control Modules and Units to select compatible solutions for your car.