BMW E87 E90 E91 N46 120i 320i Engine DME 7561834 ECU KIT CAS2 + 2 Keys Manual

BMW E87 E90 E91 N46 120i 320i Engine DME ECU KIT CAS2 + 2 Keys Manual is a specialized electronic control module designed to work with the N46 engine in 1 Series E87 and 3 Series E90 models with a manual transmission. This component from the Electronic control modules and controllers category is responsible for the precise management of the powertrain, ensuring stable driving characteristics and proper communication with other vehicle systems. It is a solution for users who expect a proven controller matched to a specific drivetrain configuration.

Specifications and technical data

• SKU: 7561834-9
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 7565300, 12147561834, 7561834, 12147565300, 1214755729012147557930, 7557290, 7557930, 12147565301, 7565301, 61356943791, 0261201159, 6943791
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and compatibility

The presented engine computer has been designed for BMW cars equipped with the N46 unit in 120i and 320i versions, in E87 and E90 bodies. The module works with a manual transmission, which is crucial when selecting a controller – the software and configuration are adapted to the characteristics of the manual gearbox, torque control logic, and cooperation with the drivetrain. Thanks to its assignment to a specific engine family and body generation, the computer ensures correct operating maps, proper communication with the electrical system, and compliance with the CAN bus architecture in these models. This is important when replacing a module after a failure or when it is necessary to match the controller to the existing wiring and equipment.

Function in the engine control system

The computer acts as the central unit managing engine operation, analyzing signals from sensors, and controlling actuators. In practice, this translates into:

• control of fuel dosage and injection timing depending on load and operating conditions,
• ignition control to maintain appropriate dynamics and engine refinement,
• cooperation with safety and comfort systems that require data from the engine control unit,
• coordination with the manual transmission, including response to changes in RPM and load during gear shifts. A properly selected control module helps maintain stable powertrain operating parameters, reduces the risk of communication errors, and facilitates diagnostics in the event of faults.

Benefits of using a dedicated controller

Using a controller matched to a specific engine and transmission type brings a number of practical benefits. The most important include:

• consistency with the factory configuration – the module is intended for use with a given engine version and manual transmission,
• maintaining the driving characteristics typical of BMW models with the N46 unit,
• proper cooperation with the existing electrical installation and other controllers in the vehicle,
• the ability to use existing service and diagnostic procedures. For the user, this means more predictable car behavior after replacing the computer, without the need to experiment with unverified solutions.

Product characteristics and condition

The offered module belongs to the Electronic control modules and controllers group, which means it is a component responsible for data processing and controlling key powertrain functions. The product is in used condition, which allows for an economical approach to repair while maintaining the manufacturer's original specifications. This type of solution is often chosen in situations where priority is given to compliance with the factory configuration while optimizing service costs. Before installation, it is recommended to verify compatibility with the specific vehicle version and consider the potential need for adaptation or programming in the vehicle, in accordance with procedures used by services specializing in BMW electronics.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the engine control area in your BMW and need other components from the same group, such as comfort modules, body controllers, or powertrain management units, check the available parts in the BMW electronic control modules and controllers category. For a better understanding of how original electronic modules affect car behavior and maintain the character of a premium brand, it is worth reading the material describing the role of controllers and OEM components in modern vehicles – you will find it in the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which shows the importance of properly selected modules also in the context of other manufacturers.