BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key

BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP Engine Computer is a factory electronic control unit designed for N43 petrol engines with 143 HP in 1 and 3 Series models. This item from the Electronic Control Modules and Units category is responsible for precise engine management, ensuring stable power characteristics and proper cooperation with other vehicle systems. This is a solution for users who want to restore full drivetrain functionality while maintaining compatibility with original BMW electronics.

Specifications and technical data

• SKU: 7599881-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7599881
• Substitutable numbers: 12147599881, 7599881, 12147640015, 7640015, 5WK93729, 61359217853, 9217853, 61303422724, 3422724
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and Application in BMW Models

The presented engine computer is dedicated to BMW 1 Series E87 LCI 118i and BMW 3 Series E90 / E91 318i cars with the N43 petrol engine producing 143 HP. The control unit works with the factory electrical system of these models, allowing for the preservation of the original engine operating characteristics and proper communication with other modules in the vehicle.

The system is optimized for petrol-powered engines, ensuring proper control of injection, ignition, and engine ancillary operation. The use of the correct control unit is crucial for the proper functioning of diagnostic systems, exhaust emission control, and safety features.

Technical Characteristics of the Control Unit

The engine computer belongs to the group of components referred to as Electronic Control Modules and Units, responsible for processing signals from sensors and controlling the actuators of the drivetrain. The design is based on a specialized electronic system that:

• manages engine operating parameters in real-time,
• communicates with other vehicle modules via the data bus,
• allows for reading and writing service data using factory BMW diagnostic tools,
• supports engine protection strategies in emergency situations.

By using an original control unit, software and configuration consistency with the vehicle's factory settings is maintained, which is important for both engine durability and user comfort.

Condition, Origin, and Benefits of Choosing a Used Control Unit

The offered engine computer is a used item, sourced from vehicle dismantling. This type of solution allows for economical car repair while maintaining the original manufacturer's specifications. In practice, this means the possibility of restoring proper engine operation without the need to invest in a new control unit from an authorized dealer.

Choosing an original module from the aftermarket offers a number of advantages:

• factory fit for BMW's electrical system and electronic architecture,
• maintained compatibility with diagnostic systems,
• possibility of adaptation and coding according to the specific car's requirements.

Selection, Compatibility, and Installation Aspects

To correctly select the control unit, pay attention to compatibility with the N43 engine, body version (E87 LCI, E90, E91), and vehicle configuration. The engine computer has an assigned OEM part number and related interchangeable numbers, which facilitates compatibility verification with a specific car. If in doubt, it is advisable to compare the markings with the currently installed module or consult a car electrician.

Installing the control unit requires adherence to safety procedures related to the vehicle's electrical system and, in most cases, performing appropriate programming operations (coding, potential synchronization with the immobilizer). It is recommended to entrust these tasks to a specialized service center equipped with the appropriate BMW service software.

More About BMW Electronics and Dismantled Parts

If you want to better understand how to care for engine control units, FRM modules, or the iDrive system in BMW 3 and 5 Series, and how to safely use parts from dismantling, check out the article: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models. You will find practical tips on diagnostics and operation of onboard electronics there.

If you are looking for other BMW Electronic Control Modules and Units compatible with various BMW models, check out our dedicated category: BMW Electronic Control Modules and Units. This will allow you to easily compare available solutions and select the appropriate part for your car.