BMW E90 330i N52B30A 258HP ECU Kit DME 7567178 CAS3 Key Automatic Transmission

BMW E90 330i N52B30A 258HP ECU Kit DME CAS3 Key Automatic Transmission is a complete control kit designed for the N52B30A engine in the BMW 3 Series E90 with an automatic transmission. The kit includes the DME engine control unit, the CAS3 module, and a matched key, which facilitates the restoration of proper operation of the drivetrain's electronic system. This solution allows for the efficient replacement of a damaged control set without the need for tedious matching of individual components.

Specifications and technical data

• SKU: 7567178-13
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 7567178, 12147567178, 9395657, 61359395657
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented kit from the Electronic control modules and controllers category is dedicated to the 258 HP N52B30A petrol unit in the BMW E90 330i model with an automatic transmission. The kit is responsible for comprehensive engine management, start authorization, and communication with other modules in the vehicle. Combining the DME controller with the CAS3 module and the key ensures data consistency for the immobilizer, which significantly facilitates the installation and vehicle startup process after repair.

Benefits of using a complete DME + CAS3 + key kit

Using a complete control kit in a BMW E90 330i offers a number of practical benefits:

• consistency of the drivetrain electronics and security system thanks to the matched DME, CAS3, and key,
• reduction of the risk of immobilizer issues and communication errors between modules,
• possibility to restore the factory operating parameters of the N52B30A engine,
• facilitation of workshop work thanks to a ready-to-use set instead of individual components.

For vehicles with an automatic transmission, the correct cooperation between the engine controller and the gearbox is particularly important, which is why using the appropriate ECU kit is crucial for smooth gear shifting and drivetrain stability.

Application in BMW E90 330i with automatic transmission

This ECU kit has been prepared for the BMW 330i E90 configuration with the N52B30A engine and an automatic transmission. Proper matching to this specification allows for the maintenance of correct control maps, gear shift logic, and communication with other vehicle modules. As a result, after installation, you can achieve stable engine operation, predictable throttle response, and correct functioning of comfort features dependent on the drivetrain electronics.

Product characteristics and condition

The offered BMW control kit belongs to the Electronic control modules and controllers group and is an original part sourced from dismantling. This type of solution is often chosen by workshops specializing in the BMW brand because it allows for economical repair while maintaining compliance with the vehicle's factory electronic architecture. The used ECU set is a good choice in situations where the existing controller has been damaged, flooded, or there are communication problems in the vehicle's bus.

Technical support and knowledge about BMW modules

When working with BMW electronics – especially engine control modules, the CAS system, and other controllers – it is worth using proven procedures and the experience of specialized service centers. Additional information on the practical aspects of repairing electronics in BMW 3 and 5 Series, including engine controllers, is provided in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using parts from dismantling?.

If you are planning a comprehensive repair or upgrade of the control electronics area in your BMW and need other components from the same group, such as engine controllers, comfort modules, or security management units, check out the available parts in the BMW electronic control modules and controllers category.