BMW E60 E61 530i M54 231HP ECU Kit DME 7533651 + CAS2 + 2 Keys Automatic

BMW E60 E61 530i M54 231HP ECU Kit DME + CAS2 + 2 Keys Automatic is an original electronic control unit designed for the M54 engine in the 5 Series, engineered for compatibility with an automatic transmission. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable performance and predictable throttle response. Choosing an original ECU allows you to maintain factory control logic and consistency with the vehicle's other electronic systems.

Specifications and technical data

• SKU: 7533651-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7533651
• Substitutable numbers: 12147533653, 7533653, 12147533651, 7533651, 12147549390, 7549390, 12147537955, 7537955, 5WK93016, 61356943851, 6943851
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The engine ECU in this BMW model is responsible for coordinating key parameters of the M54 unit, such as fuel injection, ignition timing, and load response. The version dedicated to the automatic transmission works in tandem with the drivetrain, allowing for smooth gear shifts and predictable vehicle behavior in various driving modes. This ensures the car maintains the balance between dynamics and comfort characteristic of BMW.

Benefits of using an original ECU

Choosing an engine controller with this reference ensures consistency with the vehicle's factory electronic architecture. The original module:

• is designed specifically for the M54 engine in the BMW 5 Series E60/E61,
• accounts for integration with the automatic transmission,
• minimizes the risk of communication errors within the vehicle network,
• facilitates diagnostics and potential software updates at a service center.

As a result, the engine ECU provides a solid foundation for restoring the proper operation of the powertrain following the failure of a previous module or electronic issues.

Integration with the automatic transmission system

The version designed for the automatic transmission is configured to work with gear-shifting logic and driver assistance systems. A correctly matched ECU:

• ensures proper torque matching for the current gear ratio,
• supports smooth downshifts and acceleration,
• maintains stable idle speed under various load conditions.

Such tuning is important for both driving comfort and the durability of drivetrain components.

Practical service application

This controller is suitable for replacing a damaged module in a BMW E60 or E61 530i with an M54 engine when it is necessary to restore full functionality of the control system. Using this component allows for cost-effective repair while maintaining the manufacturer's original specifications. Before installation, it is recommended to verify compatibility via part numbers and prepare for potential programming or adaptation in the vehicle, in accordance with BMW service procedures.

Expanding the BMW control system

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

More about the role of electronics in modern cars

Modern power units, such as those used in BMW and Audi, rely heavily on precisely tuned electronic modules. If you are interested in how original controllers and modules influence vehicle behavior and maintain the brand's character, it is worth reading the article: Audi and pure emotion. How do used parts help maintain the brand's DNA?. It is a great supplement to your knowledge about the importance of proper electronics in modern premium vehicles.