BMW E60 E90 330i 530i N53 272HP ECU Kit Control DME 7588620 CAS3 Key Automatic

BMW E60 E90 330i 530i N53 272HP ECU Kit Control DME 7588620 CAS3 Key Automatic is a complete set from the Electronic control modules and controllers group, designed for N53 petrol engines paired with an automatic transmission. The set includes an Engine Control Unit and a CAS3 module, which allows for consistent, professional management of the powertrain and vehicle authorization system for BMW 3 and 5 series.

Specifications and technical data

• SKU: 7588620-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7588620
• Substitutable numbers: 12147616431, 7616431, 12147588620, 7588620, 5WK93650, 61359147216, 9147216
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the DME + CAS3 kit

The presented set is dedicated to N53 petrol units in BMW 3 Series E90 330i and 5 Series E60 530i models equipped with an automatic transmission. The DME controller is responsible for precise engine management, including fuel injection, ignition, and cooperation with auxiliary equipment, while the CAS3 module integrates key authorization, starting, and vehicle security functions.

Combining these elements into one coherent set makes it easier to match components to a specific car configuration, minimizing the risk of communication issues within the vehicle bus and immobilizer synchronization problems.

Benefits of using an original BMW controller

Using an original DME set with CAS3 ensures:

• preservation of the factory control logic for the N53 petrol engine,
• proper cooperation with the automatic transmission,
• consistency with the vehicle's security and comfort systems,
• the possibility of further diagnostics and programming using standard BMW service tools.

For workshops and users, this means stable engine operation and easier vehicle maintenance in accordance with factory parameters.

Application in service and diagnostics

This engine controller and CAS3 module set is suitable both for replacing a damaged ECU and for advanced repairs of the electronic system in the engine area. Thanks to the completeness of the components, it is possible to:

• reduce the time required for adaptation and coding,
• easier matching to the existing electrical installation,
• maintain proper communication with other modules in the vehicle.

This solution is particularly useful in cases of starting problems, communication errors in the vehicle network, or improper engine operation resulting from electronic damage.

Product condition and practical aspects

The offered set comes from dismantling and is intended for users and workshops that consciously choose used OEM components as an economical alternative to new parts. In practice, this allows for restoring vehicle functionality while maintaining high compatibility with the factory configuration.

Before installation, it is recommended to perform a full vehicle diagnostic and plan programming procedures and potential synchronization with the key to fully utilize the potential of this set in the BMW powertrain.

More about the operation of BMW electronic modules

If you want to better understand how to take care of the BMW engine controller, comfort modules, and iDrive system in the 3 and 5 series, it is worth reading the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models. You will find practical tips on using proven parts from dismantling in professional repairs.

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, engine management modules, or related electronic units, check the available parts in the BMW electronic control modules and controllers category.