BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key 7567178 Automatic

BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key is a complete electronic set from the Electronic control modules and controllers category, designed for BMW 3 and 5 Series models with the N52 engine and automatic transmission. The set includes the DME engine control unit, the CAS3 module, and a matched key, allowing for a consistent, professional replacement of the powertrain control system without the need to source individual components. This solution is particularly beneficial for major engine electronics failures or immobilizer issues.

Specifications and technical data

• SKU: 7567178
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 12147567178, 7567178, 12147577970, 7577970
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application of the BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key in 3 and 5 Series

The presented set is dedicated to specific versions of the BMW 3 and 5 Series with the N52 engine, including the popular 330i and 530i variants. The combination of the DME controller, CAS3 module, and key ensures software consistency and compatibility of the starting system with the vehicle's factory architecture. As a result, this set can be used both for replacing a faulty engine controller and for comprehensive repairs of the vehicle's security system. The version designed for cars with an automatic transmission allows for maintaining proper cooperation between the DME, the CAS3 module, and the transmission control, which is essential for smooth gear shifting, driving mode operation, and safety functions.

Structure and function of the set components

The BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key includes three key vehicle electronics components that are logically linked in the factory configuration:

• DME engine control unit – responsible for managing the operation of the N52 unit, fuel injection, ignition, and communication with other vehicle systems,
• CAS3 module – handles immobilizer functions, key authorization, and the starting procedure,
• key – paired with the CAS3 module, it enables proper vehicle recognition and engine starting. Combining these elements into one consistent set reduces the risk of component matching issues, which is common when replacing individual modules. For workshops and users, this means a more predictable installation and configuration process.

Benefits of using an original dismantled set

The original BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key from dismantling ensures the preservation of the factory logic of electronic systems. In practice, this translates into:

• better compatibility with the vehicle's electrical installation and communication network,
• reduced risk of communication errors between the engine controller, the CAS3 module, and other controllers,
• the possibility of effective vehicle repair after a controller failure or immobilizer issues without the need for costly replacement of all electronics with new ones. A used set from a donor vehicle is also an attractive cost-effective option, allowing for the maintenance of a high level of functionality within a reasonable service budget.

Selection and installation in vehicles with automatic transmission

The version designed for cars with an automatic transmission is particularly important in the context of proper cooperation with the drivetrain. The DME controller in such a configuration takes into account the specifics of automatic transmission operation, which is significant for:

• correct torque control during gear changes,
• operation of driving modes and comfort functions,
• engine stability during starting and engine braking. During installation, it is recommended to work with a workshop experienced in BMW electronics to correctly perform the adaptation of the set to the specific vehicle and verify communication with other modules.

More about BMW electronics and dismantled parts

For users and workshops looking to deepen their knowledge on repairing control systems in the BMW 3 and 5 Series, including engine controllers and comfort modules, we recommend an article describing the practical aspects of using dismantled parts: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts? If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other elements from the same group, such as engine controllers, comfort modules, or security systems, check the available parts in the BMW electronic control modules and controllers category.