BMW E87 LCI E90 118i 318i Petrol N43 ECU Kit 7599881 DME CAS3 Key Manual

BMW E87 LCI E90 118i 318i Petrol N43 ECU Kit DME CAS3 Key Manual is a complete set of electronic components designed for BMW powertrains with petrol engines and manual transmissions. The kit belongs to the Electronic control modules and ECUs category, which ensures consistent communication between the engine control unit and other vehicle modules. It is a practical solution for workshops and users who want to restore the proper operation of the powertrain without time-consuming adaptation of individual components.

Specifications and technical data

• SKU: 7599881-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7599881
• Substitutable numbers: 12147599881, 7599881, 12147640015, 7640015, 12147621178, 7621178, 5WK93729, 61359226238, 9226238, KZ
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and compatibility of the ECU kit

The presented engine control unit kit has been prepared for BMW 1 Series E87 LCI and 3 Series E90 models in 118i and 318i versions with petrol engines and manual transmissions. Using a single, consistent set of electronic components facilitates matching to a specific vehicle configuration and reduces the risk of communication issues within the CAN network, immobilizer, or comfort functions.

Thanks to this solution, it is possible to efficiently restore the factory engine control logic, which translates into stable engine operation, correct fuel delivery, and proper cooperation with the drivetrain. The kit is particularly useful when replacing a damaged controller or during post-collision repairs, where it is necessary to replace several related modules.

Technical and functional characteristics

As an item from the Electronic control modules and ECUs group, the ECU kit is responsible for key processes in managing the petrol engine: controlling injection, ignition, idle speed, and cooperation with safety and comfort systems. Integration with the manual transmission allows for proper handling of functions related to rotational speed, torque, and response to gear changes.

In practice, this means, among other things:

• consistent control maps for the petrol unit,
• proper communication with other body and powertrain modules,
• maintaining factory engine performance parameters under typical operating conditions.

The presence of dedicated part numbers and interchangeable numbers (visible in the technical specification) facilitates precise verification of the kit's compatibility with a specific vehicle equipment version.

Application in BMW repairs and upgrades

The ECU kit for BMW E87 LCI and E90 118i/318i will prove useful both in professional service centers and specialized independent workshops. It enables:

• restoring a functional electronic configuration after an engine controller failure,
• reducing diagnostic time by using a complete kit instead of individual modules,
• maintaining software and configuration consistency for a petrol powertrain with a manual transmission.

For users who want to better understand the principles of controller operation in BMW 3 and 5 Series and the possibilities of using salvaged parts, the following guide will be helpful: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models. The article discusses, among other things, practical aspects of repairing engine controllers and comfort modules.

Selection by OEM numbers and online purchase safety

When purchasing an engine controller and related modules, it is crucial to match them by the OEM part number and interchangeable numbers, which are detailed in the specification section. These allow you to verify whether a given kit will work with the specific version of the petrol engine and manual transmission in your BMW.

If you want to organize your knowledge on verifying component compatibility by OEM numbers and avoid mistakes when shopping online, it is worth reading the guide: Risk-free online parts shopping – 5 proven ways to verify component compatibility by OEM numbers. You will find practical tips there regarding the selection of parts for BMW and other premium brands.

Expanding repairs within BMW control modules

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 additional control modules, body controllers, or powertrain units, check the available parts in the BMW electronic control modules and ECUs category.