BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic

BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key is a component from the Electronic control modules and controllers group, responsible for the advanced operation of the vehicle's access and starting system. The module works with the N52 powertrain and the vehicle's electrical system, ensuring consistent operation of comfort and safety systems. This solution is designed for cars equipped with an automatic transmission.

Specifications and technical data

• SKU: 7567178-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 7567178, 12147567178, 12147577970, 7577970, 5WK98085
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the CAS module

The presented CAS computer is dedicated to selected 3 and 5 series models with the N52 engine, where it acts as the central module responsible for key authorization, ignition activation, and communication with other controllers in the vehicle. As a part from the Electronic control modules and controllers group, the module integrates with the vehicle's communication bus, enabling proper data exchange between electronic systems.

Compatibility with automatic transmission

The module has been configured to work with an automatic transmission, which is important when selecting the appropriate controller for a specific vehicle configuration. A correctly selected CAS computer supports the logic of the drivetrain, including engine starting conditions, starter interlock, and communication with the transmission control module.

Characteristics and advantages of use

As an original BMW component, the CAS computer ensures a proper fit for the vehicle's electrical installation and electronic architecture. Using a factory module allows for maintaining software and hardware consistency, which facilitates diagnostics, coding, and potential updates during service.

Choosing a used controller from this group is often a cost-effective solution for electronic system repairs, especially in vehicles that have been in operation for many years. A properly selected CAS module can significantly reduce the cost of restoring full functionality to the starting and security system while maintaining compliance with factory specifications.

Professional selection and installation

Due to the nature of automotive electronics, the installation of the CAS computer requires matching in terms of software and vehicle equipment configuration. It is recommended that the installation and coding be performed by a workshop with experience in working with BMW control modules, which helps avoid issues with communication between controllers and the immobilizer system.

If you want to learn more about the selection and installation of used controllers, practical aspects of compatibility, and working with OEM numbers, it is worth checking out our guide: Used automotive electronics – second-hand ECU modules and sensors.

Expansion of the control system in BMW

If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other components from the same group, such as comfort modules, engine controllers, or other management units, check out the available parts in the BMW electronic control modules and controllers category.