BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual

BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME CAS2 + Key Manual is an original electronic control module designed for BMW models with a manual transmission. This component belongs to the Electronic control modules and controllers category, ensuring proper integration with the vehicle's electrical system and factory diagnostic systems. It is a solution for users looking for a proven, used controller that maintains its original factory operating characteristics.

Specifications and technical data

• SKU: 7559178-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7559178
• Substitutable numbers: 12147577970 12147559178 61356981416 5WK98081, 7577970 7559178 6981416
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented computer is dedicated to selected versions of the BMW 5 Series E60 525i and 3 Series E90 and E91 325i with a manual transmission. As a component from the Electronic control modules and controllers category, it is responsible for precise management of the engine unit and cooperation with other electronic systems of the vehicle. Using the correct module in a specific BMW model allows for maintaining stable engine performance parameters and proper communication with the CAN network.

Compatibility with manual transmission

The version of the computer designed for vehicles with a manual transmission is adapted to the operating characteristics of such a gearbox. Appropriate maps and control logic enable proper cooperation with the drivetrain, which is important for both driving dynamics and component durability. Choosing a controller dedicated to a manual transmission reduces the risk of communication errors and adaptation problems.

Benefits of using an original BMW module

Using an original BMW module to replace a damaged controller allows for maintaining the factory engine performance characteristics and full integration with the manufacturer's diagnostic systems. A used component of this class is a solution that in many cases:

• allows for lower repair costs compared to purchasing a new control unit,
• maintains compatibility with the factory software and the car's electrical architecture,
• facilitates work for service centers using original BMW diagnostic tools.

For many users, this is a reasonable compromise between price and maintaining the original vehicle specification.

Selection and installation of the computer in a BMW

Before installing the controller in a BMW E60 525i or E90/E91 325i, it is necessary to verify the module's compatibility with the specific engine version and vehicle equipment. In practice, this means checking the part number, interchangeable numbers, and the transmission type. In many cases, after installation, adaptation procedures or programming using an appropriate service interface are required, which is why it is worth entrusting the installation to a workshop with experience in BMW electronics.

More about used electronics and BMW parts

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

Before deciding to purchase a used control module, it is worth learning practical tips regarding the selection and operation of such components – the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? will be helpful, where you will find specific service and operational advice.