BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7577968 Manual

BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key is a complete engine control set designed for 3 and 5 Series models with the N52 engine and manual transmission. The kit includes the DME controller, CAS2 module, and a matched key, which facilitates seamless integration with the vehicle's electronics. This solution allows for efficient replacement of the factory control system in the event of a failure or when fitting a replacement engine.

Specifications and technical data

• SKU: 7577968-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7577968
• Substitutable numbers: 12147577970 12147577968 5WK98087 61356981416, 7577970 7577968 5WK98087 6981416
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME CAS2 Key kit

The ECU DME CAS2 Key kit is designed to work with the N52 engine in BMW 3 and 5 Series E60, E90, and E91 generation models equipped with a manual transmission. Combining the engine controller with the CAS2 module and key ensures consistent operation of the immobilizer system, ignition, and engine management. This makes it possible to replace the entire control system without the need for time-consuming programming of individual components from scratch.

Benefits of using a complete control unit kit

Choosing a complete kit, such as the BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key, is particularly beneficial when:

• replacing a damaged DME engine controller in vehicles with an N52 engine,
• swapping or replacing the engine unit between vehicles of the same generation,
• experiencing communication issues between the CAS2 module and the engine controller,
• needing to restore the proper operation of the ignition and security systems. The completeness of the kit reduces the risk of incompatibility between individual modules and facilitates workshop operations, shortening diagnostic and installation time. It is a practical solution for services specializing in BMW electronics and for users who want to restore full vehicle functionality using original components.

Electronic control modules and controllers in BMW 3 and 5 Series

As part of the Electronic control modules and controllers category, this kit is responsible for key processes related to engine operation and ignition authorization. A correctly selected and configured DME + CAS2 + key set allows for:

• stable control of N52 engine operating parameters,
• proper cooperation with the vehicle's electrical system,
• preservation of factory anti-theft security logic,
• easier integration with other comfort and body modules. Thanks to this kit, you can systematically resolve issues with starting, CAN network communication errors, or incorrect key identification, which directly impacts the reliability of daily operation.

Selection, installation, and technical aspects

The kit is intended for vehicles with a manual transmission, which is important when selecting the appropriate engine controller configuration. Before installation, it is recommended to:

• verify the compatibility of the vehicle generation (E60, E90, E91) and the N52 engine type,
• check the electrical system for any previous modifications,
• perform computer diagnostics after installation to confirm communication between all modules. Professional installation at a specialized BMW service center or a workshop dealing with automotive electronics allows you to fully utilize the potential of the kit and reduce the risk of programming errors. The complete engine control system is particularly useful in situations where repairing a single module is uneconomical or technically difficult.

Expanding knowledge and selecting other BMW modules

If you want to better understand how to maintain electronic modules in the BMW 3 and 5 Series, including the engine controller, comfort modules, or the iDrive system, it is worth checking out the practical tips in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts?. This is a helpful source of knowledge for those planning the conscious use of used electronic components. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as engine controllers, comfort modules, or engine management systems, check the available parts in the BMW electronic control modules and controllers category.