Description
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE CAS3 + Key Manual is a factory electronic engine control unit designed for post-facelift 3 Series models with the N47N engine. It offers precise management of the powertrain, ensuring stable power characteristics and predictable throttle response in 320ed and 320d ed versions with a manual transmission. By maintaining the original BMW architecture, this component allows for seamless integration with other vehicle modules.
Specifications and technical data
- SKU: 8510829-4
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 8510829
- Substitutable numbers: 13618519671, 8519671, 13618518272, 8518272, 13618515081, 8515081, 13618512291, 8512291, 13618506566, 8506566, 13618510829, 8510829, 61359237047, 9237047, 0281017024, 0 281 017 024
- Gearbox type: Manual
- Category: ECUs & Computer Modules
Purpose and function of the ECU
The presented engine computer is designed to support the N47N diesel engine in 320ed and 320d ed versions within the E90 LCI body. As a component from the Electronic control modules and ECUs category, it is responsible for coordinating the fuel injection system, turbocharging, and a range of sensors, which translates into predictable performance and proper engine operation. Using an original ECU allows for the preservation of factory control maps and compatibility with BMW diagnostic systems.
Drivetrain compatibility
The computer is intended for vehicles equipped with a manual transmission, which is significant for torque control logic, drivetrain protection functions, and interaction with driver assistance systems. Using the correct ECU variant for a specific drivetrain configuration minimizes the risk of communication errors between modules and facilitates subsequent diagnostics.
Application in BMW service and diagnostics
The original engine computer for the E90 LCI with N47N is particularly useful for repairs following an ECU failure, engine replacement, or restoring a vehicle to its factory-compliant configuration. It enables:
- restoration of proper communication within the vehicle bus,
- compliance with factory BMW service procedures,
- efficient coding and adaptation at a specialized service center.
As a result, it serves as a practical solution for workshops specializing in BMW electronics and for users who wish to maintain their car in a configuration close to the original.
Benefits of using an original module
Choosing an original engine ECU for the BMW E90 LCI N47N helps to avoid problems typical of replacements, such as incomplete software compatibility or difficulties communicating with other modules. Consistency with the factory electrical architecture translates into stable operation of onboard systems and facilitates future updates and computer diagnostics. The product comes from dismantling, which in many cases represents a favorable compromise between repair costs and maintaining original quality.
Expert support and development of BMW electronic systems
If you want to better understand how to care for your engine ECU, comfort modules, or iDrive system in the 3 and 5 Series, and how to safely use parts from dismantling, check out the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models. This is a practical supplement to your knowledge when planning electronic repairs 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 engine ECUs, powertrain management modules, or electronic control systems, check out the available parts in the BMW electronic control modules and ECUs category.
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