BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990

BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME is an original engine control unit designed for N52 petrol engines with 258 HP in BMW 5 Series E60 and 6 Series E63/E64 models with a manual transmission. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable performance and proper interaction with other vehicle systems. A used DME controller is a sensible choice for professional repairs or replacing a faulty engine computer in BMW cars with this type of powertrain.

Specifications and technical data

• SKU: 7546990-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7546990
• Substitutable numbers: 12147577970, 12147546990, 5WK90071, 7577970, 7546990
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented engine computer is dedicated to 258 HP N52 petrol units used in BMW E60 530i and E63/E64 630i models equipped with a manual transmission. The DME controller is responsible for key processes such as fuel injection control, ignition management, engine accessory operation, and communication with other vehicle modules via the data bus. A correctly selected ECU is essential for the engine to run stably across the full range of loads and engine speeds.

Benefits of using an original BMW ECU

Using an original engine computer in a BMW with an N52 engine allows you to maintain the factory operating parameters of the powertrain and full compatibility with the vehicle's electrical system. The original DME controller ensures:

• consistency with BMW's factory electronic architecture,
• proper cooperation with safety and comfort systems,
• stable control maps for the petrol engine,
• the possibility of professional adaptation and coding in accordance with the manufacturer's requirements.

Thanks to this, the engine computer can be integrated into the existing network of modules without the need for non-factory modifications.

Application in the 258 HP N52 engine and manual transmission

This controller is designed to work with the 258 HP N52 petrol engine in a configuration with a manual transmission. This means that its software and configuration are adapted to the operating characteristics of the petrol unit and the control logic of the manual gearbox. Dedicated matching to the specific fuel type and transmission reduces the risk of communication errors, incorrect sensor readings, or engine performance issues after installation.

Professional installation and selection of the controller

When replacing the engine computer in a BMW E60 or E63/E64, installation by a workshop with experience in BMW electronics and access to appropriate diagnostic software is recommended. A used DME controller typically requires procedures such as:

• matching to the specific vehicle (coding, potential programming),
• checking compatibility with the existing equipment configuration,
• verifying the correctness of communication with other modules.

Such an approach minimizes the risk of recurring faults and allows you to fully utilize the potential of the 258 HP N52 engine.

Expanding knowledge about used BMW electronics

If you want to make an informed decision on when choosing a used engine controller is cost-effective and safe, it is worth familiarizing yourself with practical tips regarding the selection and verification of modules – detailed information can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

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