BMW E81 E87 LCI 116i E90 E91 316i N43 122HP Engine ECU DME 7595179 Automatic

BMW E81 E87 LCI 116i E90 E91 316i N43 122HP Engine ECU DME designed for 1-series E81/E87 LCI 116i and 3-series E90/E91 316i models with an automatic transmission is a precise, factory-made module from the Electronic control modules and controllers group. It is responsible for advanced management of the gasoline engine, ensuring stable power characteristics, correct fuel delivery, and integration with the automatic transmission system.

Specifications and technical data

• SKU: 7595179-14
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7595179
• Substitutable numbers: 7595179, 12147595179, 7599881, 12147599881, 7507228, 12147507228, 7580279, 12147580279, 7593667, 12147593667, 7575668, 12147575668, 7579144, 12147579144, 7599882, 12147599882, 7583227, 12147583227, 7593666, 12147593666, 7507227, 12147507227, 7574419, 12147574419, 5WK93727
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented BMW E81 E87 LCI 116i E90 E91 316i N43 122HP Engine ECU DME is dedicated to BMW 1-series and 3-series cars with a gasoline engine and automatic transmission. As the central unit controlling the powertrain, the module analyzes signals from sensors, monitors fuel injection, ignition, and communication with other vehicle systems. This enables the maintenance of proper engine performance, optimized dynamics, and predictable throttle response.

The controller belongs to the Engine Control Unit group, which means it is responsible solely for managing engine operating parameters, without interfering with other areas of the vehicle's electronics. This solution facilitates diagnostics, replacement, and potential programming for a specific car configuration.

Compatibility, part numbers, and ECU selection

The module has been designed specifically for the N43 122HP gasoline engine, working with an automatic transmission. Proper selection of the controller for a specific vehicle requires attention to the OEM part number and available interchangeable numbers, which allow for confirming full hardware and software compatibility. The presence of multiple reference numbers increases the chance of matching the controller to various model years and equipment configurations within the same engine family.

For users and workshops, this means the possibility of using a proven, original module to replace a faulty ECU, while maintaining factory engine performance parameters. In practice, this translates into predictable car behavior after replacement, without the need to modify the wiring or use universal solutions.

Benefits of using a pre-owned BMW controller

Choosing a pre-owned BMW engine controller is a reasonable compromise between repair costs and maintaining original quality. OEM modules are designed for long-term operation, and their reuse in another vehicle – after proper selection and adaptation – allows for restoring full functionality of the powertrain without overstretching the budget. Especially in the case of N43 units, where engine electronics are crucial for the proper operation of the injection system, using the correct ECU is essential for reliability.

To better understand how to safely select and install pre-owned modules, it is worth reading the guide on second-hand electronics – practical tips, examples, and answers to the most frequently asked questions can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Installation, programming, and practical tips

Installing this type of controller in a BMW with an N43 engine requires standard workshop procedures: removing the old ECU, installing the new module, and performing appropriate programming or adaptation procedures in the vehicle's system. Depending on the car's configuration, it may be necessary to match the software to the specific VIN, which is best entrusted to a specialized service or a workshop equipped with the appropriate diagnostic software.

In the case of BMW E90 models with gasoline units, it is particularly important to monitor the condition of the ignition system, injection system, and the controller itself. For drivers interested in a broader context of operating these engines, material describing typical engine problems may be useful – more information can be found in the guide Troublesome BMW E90 engines: check what can ruin your budget!.

Expanding the control system in a BMW

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 additional controllers, engine management modules, or controllers working with the ECU, check the available parts in the BMW electronic control modules and controllers category.