BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME 7544610 + CAS2 + Key

BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME + CAS2 + Key is a practical solution for workshops and users who need a functional engine electronics package. The set belongs to the Electronic control modules and ECUs group, which facilitates integration with the vehicle's factory installation and allows for a technically correct powertrain repair. By combining the DME, CAS2, and key in one set, you minimize the risk of engine start issues and immobilizer synchronization problems.

Specifications and technical data

• SKU: 7544610-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7544610
• Substitutable numbers: 12147544610, 7544610, 12147568420, 7568420, 0261209010 61356943854, 0 261 209 010, 6943854
• Category: ECUs & Computer Modules

Purpose and function of the BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME + CAS2 + Key

The presented set is dedicated to BMW 5 Series E60 and BMW 6 Series E63 vehicles equipped with the N62 engine in 545i and 645Ci versions. The DME engine controller is responsible for precise management of the powertrain, while the CAS2 module handles start authorization and communication with the key. Combining these elements into one set significantly simplifies the process of replacing engine electronics, especially in the event of an original controller failure or immobilizer issues.

Benefits of using the complete BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME + CAS2 + Key

Using a complete engine electronics set in a BMW E60/E63 brings a number of practical benefits:

• component consistency – the DME controller, CAS2 module, and key come from the same system, which limits the need for additional programming,
• easier diagnostics – a unified set facilitates the work of diagnosticians and speeds up the localization of potential faults,
• preservation of the factory logic of the powertrain operation,
• the ability to restore full vehicle functionality after damage to the original electronics.

For workshops specializing in the BMW brand, such a set is a convenient and effective service solution, allowing for reduced repair time and a limited number of potential software conflicts.

Technical characteristics and vehicle integration

As an element from the Electronic control modules and ECUs group, the BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME + CAS2 + Key is designed to work with the vehicle's communication bus and factory safety systems. The DME controller manages, among other things, fuel dosing, ignition, and engine accessory operation, while the CAS2 controls key authorization and the transmission of the start signal. In practice, this means that after proper matching to the specific vehicle configuration, the stable operation of the N62 unit can be restored without the need to build the system from scratch.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and perform a full computer diagnostic after installation to confirm correct communication of all modules in the vehicle network.

Product condition and service application

The offered set is a used item, which makes it an attractive cost alternative to new components while maintaining original BMW specifications. This type of solution is particularly useful for older 5 Series E60 and 6 Series E63 models, where economical repair is crucial for the cost-effectiveness of vehicle operation. The set will work well both in professional service centers and in specialized independent workshops that work with BMW electronics on a daily basis.

Choosing used electronics – practical tips

When choosing a used engine controller and CAS2 module, it is worth paying attention to system generation compatibility, engine type, and equipment configuration. Specialized guides on automotive electronics may also be helpful – you can find a detailed discussion of this topic in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, where the principles of safe selection and installation of used modules are described.

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, auxiliary modules, or onboard system controllers, check the available parts in the BMW Electronic control modules and ECUs category.