BMW Z4 E85 Roadster 2.5i N52 177HP Engine Control Unit ECU DME 7571510 Manual

BMW Z4 E85 Roadster 2.5i N52 177HP Engine Control Unit ECU DME is an original electronic control module designed for the N52 engine unit in a manual transmission version. This specialized DME controller is responsible for precise engine management, ensuring stable power characteristics and predictable throttle response. Thanks to its factory BMW design, the module integrates perfectly with the electrical system and engine components of the Z4 E85 Roadster.

Specifications and technical data

• SKU: 7571510-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7571510
• Substitutable numbers: 12147571510 12147573400 5WK98086 61359127086, 7571510 7573400 9127086, 12147571824 12147569832, 12147565118 12147563060 12147567004, 7571824 7569832, 7565118 7563060 7567004
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The DME engine controller in the BMW Z4 E85 with the N52 unit is responsible for coordinating key engine operating parameters, such as fuel injection, ignition timing, and strategy across various load ranges. The module is factory-prepared for use with a manual transmission, which is crucial for the proper operation of functions related to idle speed, fuel cut-off, and gear shift response.

As an element from the Electronic control modules and controllers group, the DME integrates with other vehicle systems, such as the OBD diagnostic system, security features, or comfort modules, enabling consistent powertrain management.

Benefits of using an original BMW controller

Using an original engine controller dedicated to the BMW Z4 E85 Roadster 2.5i N52 allows for maintaining the factory performance characteristics of the powertrain. Appropriate control maps and matching to the specific engine and transmission configuration reduce the risk of errors, incorrect sensor readings, or data bus communication issues.

The module from this series has assigned interchangeable part numbers, which facilitates the selection of the correct controller in case of upgrades or replacement with a part from a different BMW reference, while maintaining full electrical and software compatibility.

Application in service practice

The DME controller for the BMW Z4 E85 2.5i N52 is particularly useful in situations where the existing module has suffered electronic damage, diagnostic communication problems occur, or recurring engine control errors appear. Replacing it with a functional module from the same family allows for:

• restoring proper starting and stable idle speed,
• achieving predictable throttle pedal response,
• correct cooperation with N52 engine sensors and components,
• maintaining compliance with factory BMW diagnostic procedures.

The product comes from the Electronic control modules and controllers group, meaning it is designed to operate in the demanding environment of the engine bay, with appropriate resistance to temperature and vibration.

Condition, origin, and fitment

The offered controller is a used item, sourced from a dismantled BMW vehicle. This type of solution is often chosen by workshops and individual users as a cost-effective way to repair the engine control system while maintaining original build quality. Before installation, it is recommended to verify compatibility with the specific vehicle configuration and prepare for adaptation/programming in accordance with BMW procedures.

Thanks to the fact that the module is a factory BMW controller, it retains the correct mounting points, connectors, and pin layout, which facilitates installation in place of the existing DME without the need for harness modifications.

Technical support and additional information

When selecting an engine controller for BMW 3 and 5 series, as well as when working with FRM modules or the iDrive system, a service guide describing the practical aspects of using dismantled parts may be helpful. More information can be found 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 dismantled parts?, which discusses, among other things, issues related to diagnostics and controller replacement.

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 DME controllers, engine management modules, or electronic control units, check the available parts in the BMW electronic control modules and controllers category.