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 group, designed to work with the powertrain in 1 and 3 series models. It ensures precise engine management, tailored to the specifics of a manual transmission, which translates into stable operating characteristics and predictable response to load. This is a solution for users who want to restore the proper operation of the control system without compromising on compatibility.

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 control unit

The presented controller is responsible for coordinating key operating parameters of the powertrain in BMW 1 Series E87 and 3 Series E90 in 118i and 318i versions. As an engine computer dedicated to manual transmission, it works with sensors and auxiliary components, monitoring, among other things, fuel dosage, ignition timing, and response to accelerator pedal signals. A correctly selected module allows for maintaining the factory engine operating characteristics and consistency with the vehicle's other electronics.

Benefits of using an original BMW module

Choosing an original controller from dismantling is a solution that combines technical correctness with reasonable repair costs. The module comes from a BMW vehicle, thanks to which it retains:

• factory hardware architecture matched to the electrical installation of the given model,
• compatibility with software used in 118i and 318i units,
• the ability to integrate with the existing network of controllers in the vehicle after appropriate adaptation.

For workshops and individual users, this means a lower risk of communication problems in the vehicle's bus and greater predictability of the coding and configuration process.

Application in vehicles with manual transmission

The controller is designed to work with a manual transmission type, which is important when selecting the correct engine computer. In vehicles with a manual gearbox, load maps and the logic of cooperation with auxiliary systems differ from those in automatic versions. Using a module matched to a manual transmission helps avoid problems with improper idle operation, errors in communication with other controllers, or power limitations resulting from configuration mismatches.

Condition, verification, and use in repairs

The offered controller is a used item, which in workshop practice often constitutes an effective alternative to new components. Such modules are frequently used for:

• repairs after engine electronics damage,
• resolving problems with lack of communication with the ECU,
• restoring vehicle efficiency after unsuccessful software modifications.

Before installation, a standard diagnostic procedure and preparation of the vehicle for controller adaptation in accordance with BMW service practice are recommended, which allows for fully utilizing the module's potential and maintaining the stability of the powertrain.

Expansion of the control system and service knowledge

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

For a better understanding of how electronics work in your car and the possibilities of using parts from dismantling for control system repairs, it is worth reaching for specialized materials. Practical tips regarding the maintenance of engine controllers, FRM modules, and the iDrive system in 3 and 5 series models can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using parts from dismantling?.

If you are interested in a broader context of using used components in premium class cars and current trends in the parts market, the entry Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend, which discusses the advantages of using original components from dismantling in modern vehicles, may also be helpful.