BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual

BMW E90 LCI 318d N47 Engine Control Unit 8512499 is an original part from the Electronic Control Units and Controllers category, designed for N47 diesel engines in the 318d model with a manual transmission. The controller ensures proper management of the diesel engine's operation, enabling stable, predictable, and economical vehicle use.

Specifications and technical data

• SKU: 8512499-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8512499
• Substitutable numbers: 13618577664, 8577664, 13618506375, 8506375, 13618510592, 8510592, 13618506433, 8506433, 13617823423, 7823423, 13617823422, 7823422, 13618506434, 8506434, 13618512499, 8512499, 13617812540, 7812540, 13618518167, 8518167, 0281017551, 0 281 017 551, 61359262361, 9262361
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Function of the BMW N47 Engine Controller

The presented ECU controller is dedicated to the drivetrain of the BMW 3 Series E90 LCI 318d with an N47 engine and manual gearbox. It is responsible for comprehensive control of the diesel unit's operating parameters, such as fuel injection quantity, boost pressure, and injection corrections, which translates to efficient diesel engine performance under various load conditions.

As an original BMW part, the module is structurally matched to the electrical system and electronic architecture of this model, facilitating integration with other vehicle systems (including the diagnostic system and security features).

Benefits of Using an Original Electronic Control Module

Using a factory controller in the BMW E90 LCI 318d N47 offers a range of practical advantages for everyday use:

• Full compatibility with BMW software – the module is adapted to work with factory maps and service procedures.
• Stable diesel engine operating parameters – the ECU maintains correct engine unit operating values, promoting smooth driving.
• Optimal cooperation with the manual gearbox – the controller takes into account the characteristics of the manual transmission, supporting predictable throttle response.
• Adaptation and coding capability – the module can be tailored to a specific vehicle instance according to BMW service procedures.

Condition, Origin, and Practical Application

The offered BMW engine controller is a used part from disassembly, providing a cost-effective solution while maintaining proper functionality. This type of module is particularly useful in situations where the existing ECU has been damaged due to electrical failure, power supply issues, or internal errors preventing correct communication with the vehicle network.

Replacement with a functional controller from the same family allows for the restoration of correct N47 unit operation, provided that appropriate adaptation procedures (including coding, potential immobilizer matching) are performed according to the service procedure. This enables the technically correct reproduction of the engine's original operating characteristics.

BMW Electronic Control Units and Controllers – Selection and Compatibility

When selecting a controller for the BMW 3 Series, matching the engine type, fuel type, and gearbox is crucial. In this case, we are dealing with a diesel unit and a manual transmission, which determines the ECU's hardware and software configuration. It is worth noting that the controller belongs to a group of modules with specific interchangeable part numbers, which simplifies the search for compatible references within the same parts family.

If you are looking for other BMW Electronic Control Units and Controllers for similar applications, check availability in the dedicated category: BMW Electronic Control Units and Controllers.

More About BMW Electronic Module Repairs

When working with BMW electronic systems – such as engine controllers, FRM modules, or the iDrive system – correct coding, diagnostics, and safe use of used parts are essential. If you want to better understand how to practically utilize used modules in the 3 and 5 Series, check out the guide: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?