BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Manual

BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME is an original module from the Electronic control modules and controllers category, designed for precise management of the engine unit in BMW 1 and 3 series models. The controller is responsible for monitoring engine parameters, coordinating with auxiliary equipment, and communicating with other vehicle systems, ensuring stable and predictable powertrain operation.

Specifications and technical data

• SKU: 7561834-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 12147561834, 7561834, 12147565300, 7565300, 12147565301, 7565301, 12147557290, 7557290, 12147557930, 7557930, 0261201159
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented controller is dedicated to BMW 118i and 318i petrol engines in E87 and E90 bodies, where it acts as the central computer managing engine operation. It is responsible for processing sensor signals, controlling fuel injection, ignition, and coordinating with safety and comfort systems. This allows the vehicle to maintain stable idle speed, proper throttle response, and consistent operation with the rest of the onboard electronics.

Compatibility and vehicle integration

The controller is designed to work with a manual transmission, which is crucial when selecting the correct module for a specific vehicle configuration. Using the appropriate engine computer ensures proper communication with the electrical system, instrument cluster, comfort modules, and safety systems, minimizing the risk of errors and malfunctions after installation. This item should be treated as a part intended for professional adaptation – in many cases, matching it to a specific vehicle (coding, synchronization with the immobilizer) is required, which is best left to a specialized service center dealing with BMW electronics.

Product characteristics and advantages

As an element from the Electronic control modules and controllers category, the engine computer provides:

• consistent cooperation with the factory BMW electrical installation,
• proper management of engine operating parameters,
• the ability to restore full vehicle functionality after a failure of the previous controller,
• preservation of the original logic of onboard systems. A used engine controller is a solution that allows for reduced repair costs while maintaining the manufacturer's original specifications. For E87 and E90 models, this is particularly important due to the extensive communication between modules and the system's sensitivity to unsuitable replacements.

Professional application and installation tips

Due to the advanced design of BMW electronics, it is recommended to entrust the installation of the controller to a workshop with experience in working with the brand's engine modules. The correct procedure usually includes:

• verifying the controller's compatibility with the specific engine version and equipment,
• proper coding or programming for the specific vehicle,
• checking communication with other modules and ensuring no diagnostic errors remain. This approach allows you to fully utilize the controller's potential and ensure stable vehicle operation after the repair.

More about BMW electronics and dismantled parts

If you want to better understand how to maintain electronic modules in BMW 3 and 5 series, including the engine controller, and how to safely use dismantled parts, check out the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models. You will find practical tips on diagnostics, selection, and installation of used electronic components there. For those interested in the environmental impact of used components, the following material will also be useful: Sustainable automotive: How purchasing original used parts reduces carbon footprint and protects the environment?, which discusses the ecological benefits of choosing original dismantled parts instead of new replacements.

Related BMW control modules

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