BMW F21 F30 LCI 120d 320d xDrive B47 190HP Control ECU DDE Kit 8475350 Automatic

DDE Engine Control Unit Kit for BMW 1 Series F21 and 3 Series F30 LCI with B47 190 HP engine and xDrive is a specialized set designed for vehicles with a diesel engine and automatic transmission. This is a solution for users who need a functional, original control module to restore full powertrain functionality after an electronic failure.

Specifications and technical data

• SKU: 8475350-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8574752
• Substitutable numbers: 8574752, 13618574752, 8475350, 0281035428, 0 281 035 428, 8709212, 61358709212
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and Function of the DDE Control Unit Kit

The presented DDE control unit kit is designed to work with the BMW B47 190 HP engine in the 120d and 320d xDrive post-facelift (LCI) versions. As a component from the Electronic Control Units and Controllers group, it is responsible for precise management of the diesel engine's operation, including fuel delivery, boost control, start-up strategy, and communication with other modules in the vehicle.

Thanks to its dedication to configurations with four-wheel drive and an automatic transmission, the control unit collaborates with systems responsible for power transfer, which is important for smooth gear changes, traction stability, and the overall driving refinement of the powertrain.

Compatibility with Diesel Engine and Automatic Transmission

The control unit is intended for vehicles with a diesel engine, meaning the injection maps, boost pressure, and exhaust gas aftertreatment regeneration strategies are adapted to the specifics of BMW B47 diesel units. Its use in conjunction with an automatic transmission allows for proper data exchange between the engine module and the transmission control, resulting in predictable throttle responses, appropriate gear selection, and stable operation in both comfort and dynamic modes.

For workshops and private users, this means the possibility of using a complete, factory-original solution that, after appropriate software adaptation, can replace a damaged control unit in a vehicle with a similar powertrain configuration.

Product Characteristics and Service Application

The offered DDE control unit kit comes from a BMW vehicle and is an original part, which facilitates integration with the vehicle's factory electrical system and communication bus. As a used part, it offers an attractive cost alternative to new modules while maintaining structural compatibility and the possibility of matching it to the specific car configuration.

This type of solution is particularly useful in situations where engine electronics have been damaged due to voltage surges, flooding, or installation errors. Using a complete DDE kit allows for the efficient restoration of vehicle functionality, provided that proper configuration and potential software adaptation are carried out by a specialized service center.

Technical Support and Selection of Appropriate Modules

If you want to better understand how BMW engine control units, comfort modules, and multimedia systems work, as well as how to safely use parts from dismantling, it is worth reaching for the guide on our blog: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models. There you will find practical tips on diagnosing and replacing electronic modules, including engine control units.

For users interested in the topic of automatic transmissions and their cooperation with engine electronics, the guide: Gearbox: Manual, Automatic, or DSG – Common Faults and a Guide to Buying a Used Gearbox, may also be useful, helping to better understand the dependencies between the engine control unit and gearbox operation.

Expanding Repairs with Other BMW Modules

If you are planning a comprehensive repair or upgrade of the engine and drivetrain control area in your BMW and need other parts from the same group, such as engine control modules, gearbox controllers, or other electronic management units, check the available parts in the BMW Electronic Control Units and Controllers category.