BMW X3 Series E83 LCI M47N2 2.0d 150HP ECU Kit DDE + EWS4 + Key 7805349 Manual

BMW X3 E83 M47N2 2.0d 150HP Engine Control Unit 7805349 is a factory electronic control module designed for BMW vehicles with a manual transmission. This item from the Electronic Control Units & Controllers category ensures the proper operation of the powertrain, communication with other vehicle systems, and stable engine operating parameters. It's a solution for users seeking a proven ECU controller matched to a specific drive configuration.

Specifications and technical data

• SKU: 7805349-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805349
• Substitutable numbers: 13617808125, 7808125, 13617805349, 7805349, 13617797497 13617798187 13617803373, 7797497 7798187 7803373, 13617805349 13617799317 13617801711, 7805349 7799317 7801711, 13617797356 13617795845 13617797217, 797356 7795845 7797217, 13617799855 1361779818
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Fitment for BMW X3 E83

The presented engine control unit has been designed for the BMW X3 E83 model with the M47N2 2.0d diesel engine producing 150 HP. It is responsible for controlling injection, fuel metering, auxiliary equipment operation, and cooperation with other vehicle modules. As a BMW branded product, it maintains factory quality standards, electrical architecture, and software logic.

Electronic Control Units & Controllers – Role in the Vehicle

Modules from the Electronic Control Units & Controllers category play a crucial role in modern cars. The Engine Control Unit (ECU):

• manages the powertrain's operation based on sensor signals,
• coordinates cooperation with safety and comfort systems,
• enables computer diagnostics and error reading,
• influences driving refinement, performance, and fuel consumption.

By using an original module, consistency with the factory electrical system and vehicle software is maintained, which facilitates configuration and subsequent service operations.

Compatibility, Interchange Numbers, and OEM Selection

This engine control unit has an assigned OEM part number and associated interchange numbers, allowing for precise verification of compatibility with a specific BMW X3 E83 unit. When selecting a controller, it is advisable to use the OEM number, reference numbers, and data from the vehicle's data plate to avoid hardware and software compatibility issues.

If you want to better understand how to safely choose used ECU controllers, what to look for when comparing numbers and software versions, and what the installation and adaptation process looks like, check out the guide: used automotive electronics – second-hand ECU modules and sensors. This is a practical addition to your knowledge when planning an engine control unit replacement.

Designed for Manual Transmission

The presented controller is intended for vehicles equipped with a manual transmission. This means its hardware and software configuration is adapted to work with the mechanical drivetrain, which is important for, among other things:

• handling signals from the clutch and vehicle speed sensors,
• torque control strategies during gear changes,
• proper operation of driver assistance systems.

Thanks to this, the engine control unit can operate consistently with the factory drive configuration, without the need for modifications to the electrical system or software of other modules.

Condition, Origin, and Practical Application

The offered module is designated as a used product, which in practice means it comes from a dismantled vehicle and has been verified for its suitability for further use. This is a solution often chosen as an economical alternative to new controllers, especially for older generations of BMWs where the availability of brand-new parts can be limited.

The BMW X3 E83 M47N2 2.0d 150HP engine control unit will work well both as a replacement for a damaged ECU and as a component used in electrical system repairs or advanced fault diagnostics. With proper selection and installation, it allows for the restoration of full powertrain functionality.

Other BMW Electronic Control Units & Controllers

If you are also looking for other BMW Electronic Control Units & Controllers for your car, check out the BMW Electronic Control Units & Controllers available in our assortment. This will allow you to easily gather other onboard electronics components in one place, maintaining brand and part category consistency.