BMW E87 E90 118i 318i N46 Engine ECU KIT DME 7561834 CAS2 Keys Manual

BMW E87 E90 118i 318i N46 Engine ECU KIT DME CAS2 Keys Manual is a factory electronic control unit designed for the N46 engine in the 3 Series E90 with a manual transmission. This used controller from the Electronic control modules and ECUs category ensures proper management of the gasoline engine, allowing for the restoration of the drivetrain's correct functionality. It is a solution for users who want to maintain the original BMW electronic architecture and avoid compatibility issues.

Specifications and technical data

• SKU: 7561834-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 12147565301, 7565301, 12147561834, 7561834, 0261201159, 61356943791, 6943791
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented ECU is dedicated to the N46 engine in the BMW E90 318i model with gasoline power and a manual transmission. It is responsible for precise control of the engine's operation, including fuel delivery, ignition, and interaction with sensors and actuators. Using an original module from the Electronic control modules and ECUs group allows for maintaining software consistency and operational logic with the vehicle's other systems.

Benefits of using an original ECU

Using a factory engine controller in the BMW E90 318i N46 brings a number of practical benefits in daily operation:

• maintaining engine performance characteristics in accordance with the manufacturer's specifications,
• proper interaction with the electrical system and other modules in the vehicle,
• possibility of adaptation and programming according to BMW service procedures,
• reduction of communication error risks in the vehicle's bus system. For users who value drivetrain consistency, it is particularly important that the original engine controller allows for maintaining factory operating parameters without the need for interfering with the wiring or using universal solutions.

Technical characteristics in the context of application

The ECU has been designed to work with a gasoline engine and a manual transmission, which is crucial for the correct selection of the module. Proper matching of fuel type, transmission type, and ECU (Engine Control Unit) type translates into:

• stable operation at idle and under load,
• proper functioning of engine protection systems,
• correct OBD diagnostics support,
• consistency of control maps with the vehicle configuration. Thanks to this, the controller can be used both for standard replacement of a damaged module and for engine control system repairs, where compliance with factory specifications is key.

Condition and use in the repair process

The offered ECU is a used item, which allows for an economical restoration of the engine control system while maintaining the original BMW design. This type of module is particularly useful in situations where the existing controller has suffered electronic damage, there are diagnostic communication problems, or engine operation errors occur that cannot be cleared by standard service procedures. Before installation, it is recommended to verify compatibility with the specific vehicle configuration and prepare for potential programming or immobilizer matching in accordance with procedures used by services specializing in the BMW brand. Such an approach increases the chance of stable and repeatable drivetrain operation after module replacement.

Expansion of the control system in BMW

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 additional control modules, auxiliary controllers, or units managing component operation, check out the available parts in the BMW electronic control modules and ECUs category. For those interested in a broader perspective on the importance of original electronic modules in maintaining the character of a premium brand, it is worth reading an article describing how properly selected components influence the preservation of the vehicle's factory properties – more information can be found in the material Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.