BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual

BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key Manual is a complete electronic control unit designed for a petrol engine paired with a manual transmission. This set from the Electronic control modules and controllers category ensures consistent engine management, enabling precise control of operating parameters and stable communication with the vehicle's electrical system. This solution is dedicated to users looking for proven, factory-spec electronics tailored to the specifics of the N43 engine.

Specifications and technical data

• SKU: 7599881-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7599881
• Substitutable numbers: 12147599881, 7599881, 12147640015, 7640015, 12147621178, 7621178, 5WK93729, 61359147195, 9147195
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and compatibility with the N43 unit

The presented ECU DME kit has been designed to work with the 1.6 petrol engine from the N43 family, used in BMW 1 Series E81 and E87 LCI (facelift) models. The controller is configured for the characteristics of this unit, taking into account the specifics of the fuel system, ignition, and engine management systems in the 116i version.

Thanks to being matched to a manual transmission drivetrain, the module ensures correct data exchange with other controllers in the vehicle, which translates into predictable powertrain response, stable idle speed, and proper cooperation with safety and comfort systems.

Characteristics of the ECU DME kit

The kit includes key electronic components responsible for engine control, which facilitates maintaining software and coding consistency throughout the vehicle. This configuration minimizes the risk of conflicts between modules and reduces the need for extensive programming interventions during installation.

In practice, this means:

• maintaining compatibility with the factory electrical architecture of the BMW 1 Series LCI,
• orderly communication within the vehicle's data bus,
• the ability to restore the engine's original factory operating parameters.

Benefits of using an original control module

Using an original ECU DME kit in a BMW with an N43 engine allows you to maintain the engine's performance characteristics in line with the manufacturer's specifications. Stable fuel injection and ignition control promote smooth engine operation, and proper cooperation with sensors and other modules limits the risk of diagnostic system errors.

For vehicles used on a daily basis, it is particularly important that the engine controller is matched to the fuel type and transmission type. This kit includes the configuration for a petrol unit paired with a manual gearbox, which helps maintain predictable dynamics and powertrain refinement.

Condition, verification, and practical application

The item comes from a used vehicle, which is a standard solution for engine electronics in the BMW spare parts segment. Before installation, a standard diagnostic procedure and coding adjustment to the specific vehicle are recommended, in accordance with the practices of workshops specializing in the BMW brand.

An ECU DME kit configured in this way is suitable both for replacing a damaged controller and for comprehensive engine management system repairs, where maintaining electronic consistency throughout the vehicle is necessary.

Expanding the control system in your 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, management modules, or ECU units, check the available parts in the BMW electronic control modules and controllers category.

To compare how manufacturers approach electronics and maintain the brand's character in modern cars, it is worth reading an article describing how original modules influence the driving experience – more information can be found in the material Audi and pure emotion. How do used parts help maintain the brand's DNA?.