BMW 3 5 E60 E90 E91 325i 525i N52 218HP ECU Kit DME 7567178 CAS3 Keys Manual

BMW 3 5 E60 E90 E91 325i 525i N52 218HP ECU Kit DME CAS3 Keys Manual is a complete set from the Electronic control modules and controllers group, designed for BMW vehicles with the N52 engine, 218 HP output, and a manual transmission. The kit provides a cohesive package of control components, facilitating professional repair or replacement of the ECU system in 3 and 5 series cars.

Specifications and technical data

• SKU: 7567178-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 12147567178, 7567178, 12147577970, 7577970, 5WK98085, 61356943814, 6943814, KZ
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented ECU kit is dedicated to BMW 3 Series (E90, E91) and 5 Series (E60) models with the N52 engine, 218 HP output, and a manual transmission. The set includes the DME engine controller along with the CAS3 module and related components, which allows for maintaining the consistency of the vehicle's electronics within a single system. This solution significantly simplifies the matching process for a specific car, minimizing the risk of issues with the immobilizer or vehicle network communication.

Because this is a genuine BMW set, the factory operating logic of the powertrain is preserved, as well as proper interaction with other electronic systems in the car. This is particularly important when replacing a controller in modern designs, where many functions are closely integrated.

Benefits of using a complete DME + CAS3 kit

Using a complete control kit instead of a single module offers a number of practical benefits:

• consistency of components within a single engine control and security system,
• easier matching to a specific vehicle,
• reduced need for advanced programming from scratch,
• maintaining compatibility with the electrical architecture of E60, E90, and E91 models.

In the case of the 218 HP N52 unit, it is particularly important that the engine controller works correctly with the CAS3 module and other components responsible for starting and authorization. The complete kit helps maintain stable powertrain operation and proper handling of comfort and safety functions.

Manual transmission compatibility

The offered kit is intended for vehicles equipped with a manual transmission. This means that the controller's operating maps, logic for interaction with body modules, and configuration of additional functions are adapted to the specifics of a manual gearbox, including how information about RPM, load, and drivetrain status is transmitted.

Selecting an ECU kit compatible with the transmission type is crucial for the proper operation of driver assistance systems, idle speed stability, and gear shift response. For N52 units in BMW 3 and 5 series, proper matching of the electronics to the manual gearbox translates into predictable car behavior and correct interaction with the drivetrain.

Condition, origin, and service application

The set is sourced from dismantling and is offered as a used item, which allows for economical vehicle repair while maintaining the original BMW electronic architecture. This type of solution is often chosen by professional workshops specializing in the brand, where both technical compliance and the ability to efficiently restore the car to full functionality are valued.

The complete DME package with the CAS3 module and related elements can be used both when replacing a damaged controller and for more complex work related to engine electronics, provided it is correctly matched to the specific model and vehicle configuration.

Part number matching and technical support

When choosing an ECU kit for a BMW 3 or 5 series with an N52 engine, it is worth paying attention to part number compatibility as well as hardware and software configuration. Proper matching using OEM and reference numbers helps avoid issues with compatibility, vehicle network communication errors, or the need for deep software modifications.

If you want to better understand how to safely and consciously use used electronics in a car, including engine control modules and sensors, check out our guide: Used car electronics – second-hand ECU modules and sensors. You will find practical tips on selecting, installing, and verifying such components there.

Additionally, if you need a structured guide on how to select parts step-by-step by OEM number or VIN, the following material will be helpful: how to choose the right car part by VIN and OEM number. This is especially useful when working with advanced control modules in modern BMWs.

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