BMW E60 530i M54 231HP Engine Control ECU Kit DME 7541335 CAS2 Key Automatic

BMW E60 530i M54 231HP Engine Control ECU Kit DME CAS2 Key Automatic is a complete engine control kit designed for BMW 5 Series E60 models equipped with the M54 engine and an automatic transmission. The set includes a DME controller, a CAS2 module, and a matched key, which facilitates the restoration of proper operation of the electronic drive system. By maintaining component consistency, the kit provides a practical solution when replacing a damaged controller or dealing with immobilizer issues.

Specifications and technical data

• SKU: 7541335-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7541335
• Substitutable numbers: 12147561381, 12147548771, 12147548769, 12147549794, 12147543223, 12147541343, 12147543157, 12147541335, 5WK93018, 61356943857, 6943857
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME CAS2 kit

The presented set belongs to the Electronic control modules and controllers category and is dedicated to the engine management system in the BMW E60 530i with the 231 HP M54 engine. Combining the DME controller with the CAS2 module and the key ensures compatibility of the immobilizer coding, which significantly simplifies the installation process in a vehicle equipped with an automatic transmission.

A kit configured in this way is particularly useful in situations where the original controller has been damaged, there are issues with key authorization, or communication errors occur between vehicle modules. Using a set from a single vehicle minimizes the risk of software conflicts and speeds up diagnostics.

Benefits of using an original BMW module

As a BMW brand component, the ECU DME CAS2 kit ensures the preservation of the factory logic for the M54 engine, including operating parameters, starting strategies, and cooperation with the automatic transmission. Original electronics are designed for a specific vehicle architecture, which translates into:

• consistent communication with other modules in the vehicle network,
• correct handling of security and immobilizer functions,
• stable engine operation across the full load range,
• easier diagnostics using factory service tools.

For workshops specializing in BMW and users who care about maintaining the original configuration of the car, using such a kit is a safe and predictable service solution.

Integration with automatic transmission

The kit has been prepared for operation with an automatic transmission, which is crucial for the proper functioning of the entire drivetrain. In this configuration, the DME controller accounts for communication with the transmission module, including:

• torque control during gear shifts,
• engine start and stop strategies,
• response to driving modes selected by the driver.

Thanks to this, after correct installation and adaptation, it is possible to maintain smooth transmission operation and predictable vehicle behavior under various operating conditions.

Condition, origin, and use in service practice

The kit components come from the secondary market and are offered as used OEM components. This type of solution is often chosen by professional workshops when repairing or programming a damaged controller is uneconomical or impossible. The DME + CAS2 + key set allows for reducing the time required for immobilizer configuration and lowering costs compared to purchasing new modules.

Before installation, it is recommended to verify compatibility with the specific vehicle configuration and to perform adaptation and coding using appropriate diagnostic software. A correctly selected and configured kit can significantly facilitate the restoration of full functionality of the drivetrain in a BMW E60 530i.

Selection of used controllers and technical knowledge

When working with engine electronics and comfort modules, it is worth using reliable sources of knowledge. If you want to better understand when choosing a used DME controller, CAS module, or other electronic components makes sense, how to assess their condition, and what to pay attention to during installation, read the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

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 DME controllers, CAS modules, or other ECU controllers, check the available parts in the BMW electronic control modules and controllers category.