BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual

BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit is a set from the Electronic control modules and controllers category, designed for BMW vehicles with an N43 petrol engine and a manual transmission. The kit ensures consistent operation of the powertrain electronics and immobilizer, facilitating professional repair or replacement of the engine control unit in accordance with BMW factory standards.

Specifications and technical data

• SKU: 7599881-12
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7599881
• Substitutable numbers: 12147640015, 7640015, 12147599881, 7599881, 5WK93729, 12147621178, 7621178, 61359237047, 9237047
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Application and vehicle function

The presented ECU kit is responsible for managing the operation of the powertrain in BMW 1 Series E81/E87 LCI models, specifically the 116i version with the 2.0 N43 engine. The module works with the petrol system and manual transmission, coordinating engine performance parameters, ignition, fuel injection, and communication with other vehicle controllers. By being synchronized with the key, the set allows for maintaining the integrity of the vehicle's security system, which is particularly important when replacing the ECU in cars equipped with advanced BMW electronic systems. This solution helps reduce the time required for adaptation and configuration in the workshop.

Benefits of using a complete kit

Choosing a complete ECU + key kit offers a number of practical benefits for both the mechanic and the vehicle owner, such as:

• consistency of the control electronics and the immobilizer system,
• reduced risk of starting issues after ECU replacement,
• easier diagnostics and configuration compared to replacing individual components,
• maintained compatibility with the BMW E81/E87 LCI electrical architecture. For workshops specializing in the BMW brand, this solution allows for efficient execution of repairs related to engine electronics without the need for deep interference with existing security systems. This is especially important when servicing modern petrol units, where the engine control unit is the central element of the entire powertrain.

Technical characteristics and compatibility

The set has been designed to work with the N43 petrol engine in the 116i version, in a configuration with a manual transmission. This means that the control logic, operating maps, and communication with other modules are adapted to the specifics of this engine unit and the characteristics of the manual gearbox. As an item from the Electronic control modules and controllers category, the product is intended for integration with the factory BMW electrical installation, maintaining the data bus communication standards used in this generation of vehicles. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and perform full diagnostics after installation.

Product condition and service purpose

The offered set is a used item, which makes it an attractive service solution for vehicles used on a daily basis, where reasonable repair costs are important while maintaining functionality consistent with the original. Such components are frequently used by workshops specializing in automotive electronics and by advanced users servicing their BMWs themselves. Due to the nature of electronic parts, installation by an experienced service center equipped with appropriate BMW diagnostic software is recommended. This allows for the proper matching of the set to the specific vehicle and verification of the correct operation of all related systems.

Expert support and additional information

If you want to better understand how BMW engine controllers, comfort modules, or the iDrive system work, and learn how to safely use salvaged parts in 3 Series and 5 Series models, read the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using salvaged parts? If you are planning a comprehensive repair or upgrade of the engine control and powertrain electronics area in your BMW and need other components from the same group, such as engine controllers, comfort modules, or engine management units, check out the available parts in the BMW electronic control modules and controllers category.