BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual

BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME CAS2 Key Manual is an original electronic control module designed for N46 engines in 1 Series and 3 Series models 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 cooperation with other vehicle systems. This used controller is a solution that allows for a technically correct repair of the powertrain while maintaining favorable service costs.

Specifications and technical data

• SKU: 7561834-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 12147561834, 7561834, 12147565300, 7565300, 12147565301, 7565301, 12147557290, 7557290, 12147557930, 7557930, 0261201159, 61356943791, 6943791
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The engine controller in the version dedicated to the N46 unit in BMW E87 and E90 series is responsible for coordinating key engine operating parameters, such as fuel dosage, ignition timing, or reaction to sensor signals. Thanks to this, the powertrain maintains proper operating culture, and the car reacts predictably to the driver's commands. The version prepared for use with a manual transmission ensures proper communication with the drivetrain, which is important for acceleration smoothness, idle speed stability, and the operation of driver assistance systems.

Benefits of using an original BMW module

Choosing an original controller from the Electronic control modules and controllers category allows you to maintain factory engine operating parameters without the need for programming compromises. The appropriate hardware architecture and software matched to the N46 unit reduce the risk of communication errors in the vehicle bus and compatibility issues. The main advantages of using this controller include:

• maintaining compliance with the factory engine and equipment configuration,
• proper cooperation with sensors and the vehicle's electrical installation,
• possibility of diagnostics using standard BMW service tools,
• stable operation under typical operating conditions.

Application in vehicles with a manual transmission

The presented controller is intended for configurations equipped with a manual transmission. This is important both for torque control logic and for cooperation with systems responsible for safety and driving comfort. Using a module matched to a specific type of gearbox reduces the risk of errors appearing in the controller's memory and engine performance issues during gear changes. Before installation, it is recommended to verify compatibility by OEM number and interchangeable numbers, as well as to consult a diagnostician regarding potential adaptation or programming for a specific vehicle.

Professional selection and installation of the controller

To properly select a controller for a specific BMW 1 Series or 3 Series with an N46 engine, it is worth using the part number and reference numbers assigned to this module. This allows you to avoid hardware and software compatibility problems, especially in the case of differences resulting from the production year or equipment version. For users who want to deepen their knowledge about the selection and installation of used ECU modules, a guide describing the principles of matching by VIN, OEM, as well as issues related to software and practical application examples will be useful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Used OEM controller – a conscious choice

The offered item is a used product, which in practice means a favorable compromise between the cost of repair and maintaining the manufacturer's original specification. In the case of engine electronics, choosing an OEM module is particularly important due to complex communication with other controllers in the vehicle and safety requirements. If you want to learn more about the advantages of using original, used components in vehicle repairs, it is worth reading the material describing the importance of OEM parts and their impact on safety and system durability: Quality guarantee and OEM safety – why are used original car parts the best choice for your car?. 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 control modules, ECU units, or auxiliary controllers, check the available parts in the BMW electronic control modules and controllers category.