BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual

BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 is an advanced engine control unit designed for petrol engines with a manual transmission. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable power characteristics and correct integration with other vehicle systems. It is a solution dedicated to users who expect proven engine electronics for their BMW.

Specifications and technical data

• SKU: 7587164-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7587164
• Substitutable numbers: 12148613000, 8613000, 12147594483, 7594483, 12147587164, 7587164, 5KW91130, 61359147220, 9147220
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented ECU DME CAS3 engine controller has been designed to work with the petrol engine in BMW 1 Series Cabrio E82/E88 models with 218 HP. As an Engine Control Unit, it is responsible for key control processes, such as fuel injection, ignition timing, and monitoring engine accessories, which translates into smooth throttle response and predictable vehicle behavior under various operating conditions.

Integration with the CAS3 system enables consistent operation of the vehicle's starting and security systems, which is particularly important when replacing the controller in modern BMW designs. Thanks to this, the module can be professionally matched to a specific vehicle by a specialized workshop or automotive electrician.

Compatibility with the drivetrain

The ECU is intended for use with a manual transmission, which is important when selecting the appropriate controller for a specific drivetrain configuration. Using the correct type of module allows for maintaining the correct control maps and the logic of driver assistance systems characteristic of versions with a manual gearbox.

As a component dedicated to a petrol engine, the controller is optimized for the operating characteristics of the N52N unit, ensuring appropriate mixture and ignition control strategies. Proper selection of the ECU for the fuel type has a direct impact on engine performance and compliance with factory manufacturer settings.

Application in diagnostics and BMW repairs

Replacing the engine computer is a frequently used solution for problems with starting the vehicle, CAN bus communication errors, or unstable engine operation. A used controller from the same BMW model family allows for economical repair while maintaining a high-quality OEM component. After proper matching and potential programming, it can restore full functionality to the engine control system.

For 1 Series Cabrio owners planning long-term vehicle operation, using an original module from this group is beneficial both in terms of reliability and subsequent service maintenance, including computer diagnostics based on factory BMW software.

Substantive support and knowledge about BMW electronics

If you want to better understand how the BMW engine controller and other electronic modules in this brand work, it is worth reaching out for specialized materials. Practical tips regarding the repair of the iDrive system, FRM modules, and engine controllers in popular 3 and 5 Series models can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models, which discusses the use of proven salvaged parts.

If you are interested in a broader approach to upgrading equipment and electronics in cars, the material on retrofitting VAG and BMW group cars may also be helpful. See what a professional retrofit looks like using used components by following the advice in the article Retrofitting in VAG and BMW group cars: How to cheaply upgrade a car using used parts from higher versions?.

Expansion of the control system in BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional controllers, engine management modules, or related electronic systems, check the available parts in the BMW electronic control modules and controllers category.

Summary

BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 is a specialized control module designed for BMW petrol units working with a manual transmission. When properly selected and professionally configured, it provides a solid foundation for restoring correct engine operation, stable driving parameters, and proper communication with other electronic vehicle systems. It is a solution that combines technical precision with a practical approach to repairing and maintaining the car in good operating condition.