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BMW E46 320d Diesel M47N 150HP ECU Engine Control Unit DDE 7794624 Manual
SKU: 7794624
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Used
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BMW E46 320d Diesel M47N 150HP ECU Engine Control Unit DDE is a factory-fitted computer responsible for the precise management of the diesel engine in the manual transmission version. A properly selected control unit ensures stable engine operation, correct fuel dosage, and proper interaction with auxiliary equipment. This solution is intended for users looking for original BMW electronics instead of random replacements.
Specifications and technical data
- SKU: 7794624
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7794624
- Substitutable numbers: 13617800130 0281011122, 7800130, 0 281 011 122, 13617794624 13617794582, 13617793863 13617793609, 7794624 7794582, 7793863 7793609
- Fuel type: Diesel
- Gearbox type: Manual
- Category: Control Modules
Purpose and function of the control unit
The presented computer from the Computers and control units category is dedicated to the diesel engine fuel system in the BMW 3 Series E46 320d with the M47N 150 HP engine. As an electronic control unit (ECU/DDE), it is responsible for:
- controlling fuel injection in the diesel engine,
- managing engine operating parameters under various load conditions,
- interacting with sensors and engine system actuators,
- communicating with other vehicle modules via the data bus.
Thanks to its precise matching to the specific engine and transmission version, the control unit allows for maintaining the factory performance characteristics of the engine and system stability.
Compatibility and replacement numbers
This model has an assigned OEM part number and a set of interchangeable numbers, which facilitates selecting the right computer for a specific vehicle configuration. Before purchasing, it is recommended to compare the markings with the currently installed control unit or verify them using the VIN to ensure full compatibility with the electrical installation and engine equipment.
The presence of multiple reference numbers allows this control unit to be used as a replacement for several factory control unit variants within the same engine family, which is particularly useful for repairs and electronics upgrades in older BMW models.
Operating characteristics in a diesel engine with a manual transmission
The control unit has been designed to work with a diesel engine and a manual transmission. This means that its software and configuration are adapted to the specifics of diesel engine operation, including:
- injection control depending on load and engine speed,
- handling engine protection functions in case of abnormal operating parameters,
- cooperation with the drivetrain in the manual version.
Selecting a control unit compatible with the fuel type and transmission is crucial for the proper operation of the entire powertrain and avoiding communication issues between modules.
Condition, origin, and advantages of using an original ECU
The offered control unit is original BMW electronics from the secondary market. Choosing a used, factory-made ECU instead of a cheap replacement allows you to maintain compatibility with the vehicle's installation, reduce the risk of communication errors, and keep the engine's operating characteristics in line with the manufacturer's specifications. This is particularly important in the case of advanced diesel engines, where the quality of control has a direct impact on refinement, performance, and fuel consumption.
If you are considering installing a used engine computer or other electronic modules and want to know what to look for when selecting them, check out our guide: The second life of electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?
Support for selecting and upgrading BMW electronics
If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other components from the same group, such as additional controllers, management modules, or auxiliary computers, check the available parts in the BMW Computers and control units category.
In the case of a planned vehicle resale, it is also worth knowing how the selection of original used components affects its market value – more information can be found in the article: Original used parts vs. resale price – how not to lose money?
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.
