BMW E90 Engine Control Unit ECU 330i N52 N52B30A 258HP 3.0 Petrol 7577968 Manual

BMW E90 Engine Control Unit ECU 330i N52 N52B30A 258HP 3.0 Petrol Manual is an original electronic engine control module designed for N52B30A petrol units paired with a manual transmission. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable power characteristics and proper integration with other vehicle systems. It is a solution for users who want to restore the full efficiency of the powertrain without the risk of parameter mismatch.

Specifications and technical data

• SKU: 7577968-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7577968
• Substitutable numbers: 7577968, 12147577968
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the ECU

The engine control unit in this BMW model is responsible for comprehensive control of the combustion process in the petrol unit, adjusting fuel dosage, ignition timing, and auxiliary equipment operation to current driving conditions. The version dedicated to the manual transmission is optimized for manual gear shifting, which translates into predictable throttle response and consistent operation of onboard systems.

Thanks to the factory configuration for the N52B30A engine, the controller is prepared to handle the characteristics of this unit, which facilitates diagnostics and potential future tuning at specialized service centers. This is particularly important when replacing a damaged module after an electrical failure or communication issues within the vehicle's network.

Benefits of using an original BMW module

Choosing an original ECU for a BMW 3 Series with a petrol engine offers a number of practical advantages:

• maintaining factory engine performance parameters without the need to adapt universal solutions,
• consistent cooperation with other electronic modules in the vehicle,
• easier diagnostics based on standard BMW service procedures,
• reduced risk of communication errors in the vehicle's bus.

A used module from this series allows for economical repair while maintaining the car's original electronic architecture, which is beneficial for both durability and the vehicle's future resale value.

Application in a petrol system with a manual transmission

The presented controller is designed to work with a petrol engine and a manual transmission, which is important when selecting the right module for a specific vehicle configuration. Proper matching to the fuel type and transmission type affects:

• correct torque mapping across the entire rev range,
• stable idling and performance during dynamic acceleration,
• proper operation of functions related to safety and driving comfort.

As a result, the controller can be used both for standard replacement of a damaged module and for repairs after more serious electrical system faults, where it is necessary to restore full communication within the powertrain.

Condition and installation aspects

The module is offered as a used part, which allows for a significant reduction in repair costs compared to a new component, while maintaining the manufacturer's original specifications. Before installation, standard procedures related to programming and potential adaptation of the controller to a specific vehicle must be considered, in accordance with BMW requirements for this 3 Series generation.

Due to the nature of this electronic component, installation at a specialized service center equipped with appropriate diagnostic software is recommended. This allows for proper module coding, error clearing, and verification of communication with other controllers in the vehicle.

More solutions for BMW electronics

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

To better plan work on the electronics in the 3 Series and understand the specifics of elements such as the engine controller or comfort modules, it is worth checking out the practical tips 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 describes, among other things, the use of proven used parts for electronic system repairs.