BMW E87 E90 120i 320i N46 150PS Engine ECU KIT DME 7561834 CAS2 + Key Manual

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E87 E90 120i 320i N46 150PS Engine ECU KIT DME CAS2 + Key Manual is an original electronic control module designed for BMW vehicles with an N46 engine and a manual transmission. As part of the Electronic control modules and controllers group, it is responsible for the precise management of the engine unit and cooperation with other vehicle systems. This is a solution for users who expect stable engine operation and compatibility with BMW's factory electronics architecture.

Specifications and technical data

• SKU: 7561834-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 7565300, 12147561834, 7561834, 12147565300, 1214755729012147557930, 7557290, 7557930, 12147565301, 7565301, 0261201159, 61356943791, 6943791
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented engine computer has been designed to work with the N46 unit in BMW 1 Series E87 and 3 Series E90 models in 120i and 320i versions. Its task is to coordinate engine operating parameters, such as fuel dosage, ignition, or response to sensor signals, in order to maintain the driving characteristics typical of BMW. Thanks to this, the vehicle maintains proper dynamics, smooth operation, and predictable behavior under various operating conditions.

Compatibility and vehicle integration

The controller belongs to the Electronic control modules and controllers group, which means full integration with the vehicle's communication bus and other onboard modules. The design, intended for a specific family of engines and bodies, allows for maintaining software consistency, diagnostic logic, and cooperation with factory safety and comfort systems. This is particularly important when replacing a damaged module with a part of a compatible specification.

Manual transmission fitment

The computer is configured to work with a manual transmission, which is significant for the way torque is controlled, the response to clutch pedal input, and the engine operating strategy during gear changes. Proper matching to the transmission type helps avoid issues with uneven operation, control errors, or incorrect response to load, and also facilitates subsequent service diagnostics.

Application of a used control module

Choosing a used engine controller for a BMW allows for maintaining the factory logic of the powertrain while optimizing repair costs. This type of component is particularly useful for:

• diagnosing and repairing faults related to engine electronics,
• restoring vehicle functionality after an original computer failure,
• maintaining consistency with the factory vehicle configuration without the need for universal replacements.

By maintaining compatibility with BMW architecture, it is possible to continue using factory service procedures and diagnostic tools.

Support with selection and knowledge expansion

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

To compare how different manufacturers approach maintaining the brand's character and using original components, you can read the article Audi and pure emotion – how used parts help maintain the brand's DNA, which shows the importance of properly selected modules and electronic components in modern cars.