BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME 7527072 + CAS2 Key Manual

BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME + CAS2 Key Manual is a solution prepared for professional replacement of control electronics. The kit is designed for vehicles with a manual transmission, which facilitates the selection of the correct component and reduces the risk of compatibility issues. It is a practical base for restoring the proper operation of the powertrain after the failure of the original controller.

Specifications and technical data

• SKU: 7527072-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7527072
• Substitutable numbers: 12147527072, 5WK93014, 12147549390, 61356927928, 7527072 7549390 6927928
• Gearbox type: Manual
• Category: Control Modules

Purpose and function of the BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME + CAS2 Key Manual

The offered kit is dedicated to the BMW 5 Series E60 in the 520i version with the 170 HP M54 engine and constitutes a coherent set of elements responsible for managing the operation of the powertrain and start authorization. Combining the DME engine controller with the CAS2 module and a matched key allows you to avoid typical problems with immobilizer synchronization and coding that occur when replacing individual components.

In practice, this means that you receive a logically linked set of electronics that, after proper installation and adaptation, can significantly shorten repair time and reduce the need for advanced programming from scratch.

Compatibility with BMW E60 520i M54 170 HP

The presented kit has been prepared for a specific model variant, namely the BMW E60 520i with the 170 HP M54 engine and a manual transmission. Such a narrow application is particularly important in the case of control electronics, where differences between engine versions, model years, or transmission types have a direct impact on the correct operation of the system.

Thanks to this, a mechanic or automotive electrician can precisely select the part for a specific vehicle configuration, minimizing the risk of software incompatibility, CAN bus communication errors, or starting problems after installation.

Benefits of using a complete controller kit

Using the complete BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME + CAS2 Key Manual brings a number of practical benefits to the repair process:

• consistency of elements responsible for start authorization and engine control,
• reduction of the risk of conflicts between the controller and the immobilizer,
• easier adaptation and coding work compared to replacing individual modules,
• possibility of effective diagnostics after installation thanks to the preserved logic of the factory system.

For workshops specializing in BMW electronics, such a kit is a practical service solution, allowing to shorten vehicle downtime and optimize repair costs compared to purchasing new components.

Product characteristics and condition

The offered set belongs to the Computers and controllers group and comes from dismantling, which means it is a used part intended for further operation after proper installation and configuration. This type of solution is often chosen for older generations of BMW, where the cost of new modules is disproportionately high relative to the value of the vehicle.

Before installation, it is recommended to perform full vehicle diagnostics, verify the electrical installation, and carry out the necessary adaptation procedures using appropriate service software to ensure stable and repeatable operation of the powertrain.

More information about used BMW electronics

If you want to better understand when the choice of a used engine controller, comfort module, or sensors is technically and economically justified, it is worth reaching for specialized materials. Practical tips on selection, verification, and installation can be found in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of working with electronics from dismantling.

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 engine controllers, powertrain management modules, or accessory control systems, check the available parts in the BMW computers and controllers category.