BMW F20 F21 F30 F31 LCI F32 120dX 320dX 420dX B47 Bare Engine B47D20A WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

BMW F20 F21 F30 F31 LCI F32 120dX 320dX 420dX B47 Bare Engine is an original powertrain unit from the B47 family, designed for BMW models equipped with xDrive. This used diesel engine is an attractive solution for drivers looking for a technically compatible replacement that will restore the full performance of the drivetrain. Thanks to its factory design and preserved operating characteristics, it serves as a solid foundation for professional repair or engine replacement in modern BMW models.

Specifications and technical data

• SKU: 2473149
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2473149
• Substitutable numbers: 11002473149, 2473149, 11002473150, 2473150, 11002448617, 11002455620, 2448617, 2455620, 11002455618, 2455618, 11002410555, 2410555
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the B47D20A engine

The presented engine belongs to the modern BMW B47 family of diesel units, designed with efficiency and refinement in mind. It is a four-cylinder diesel engine that combines fuel economy with adequate dynamics, ensuring smooth acceleration in both city traffic and on the highway. The unit's design was developed for compatibility with the xDrive all-wheel-drive system, which translates into stable torque distribution to all wheels.

The B47D20A engine is used in popular 1, 2, 3, and 4 Series models with 120dX, 320dX, 420dX designations, as well as other 20dX versions, confirming its wide application across the BMW range. This type of diesel unit is valued for its favorable performance-to-fuel-consumption ratio and good flexibility across the entire rev range.

Application in BMW models with xDrive

The engine is designed to work with the xDrive system in F20, F21, F22, F30, F31, and F32 body styles. This means that the unit's construction, its accessories, and mounting points are adapted to the architecture of these BMW generations. As a result, it is possible to maintain the factory geometry of the drivetrain and ensure proper communication with the vehicle's electronics after correct selection based on the OEM or VIN number.

The B47D20A unit is suitable for both daily-driven vehicles and cars covering long distances, where stable engine operation, predictable torque characteristics, and the ability to drive comfortably at lower RPMs are essential.

Benefits of installing a used BMW B47D20A engine

Choosing a used engine from the B47 family allows for significant cost savings compared to purchasing a brand-new unit. At the same time, full structural compatibility with the original BMW drivetrain is maintained, which facilitates installation and integration with the existing system. The four-cylinder diesel unit provides a good balance between refinement and operating economy.

The engine from this offer has a documented mileage, which makes it easier to assess its service history and plan for future use. For workshops and service centers specializing in the BMW brand, this is a practical base for a professional engine replacement, maintaining parameters close to factory specifications.

Selection by OEM number and installation procedures

When selecting a B47D20A engine for a specific BMW vehicle, it is crucial to compare the OEM number and interchangeable numbers with the vehicle documentation. This helps avoid issues with the compatibility of accessories, the engine control unit (ECU), and the electrical system. It is recommended to verify compatibility by VIN in every case, especially for vehicles that have undergone modifications or have individual configurations.

The installation process itself should be carried out by a specialized workshop that has the appropriate tooling and experience in working with B47 units. Proper bleeding of the fuel system, checking the cooling system, and verifying the tightness of all connections are key to trouble-free engine startup after replacement.

BMW engines – further drivetrain expansion

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 complete powertrain units, long blocks, or blocks with accessories, check out the available parts in the BMW Engines category.

More about purchasing used BMW engines

Before deciding to install a used unit, it is worth learning the most important facts regarding selection by OEM number, real repair costs, and common myths associated with used powertrain components. A detailed discussion of these topics can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which serves as a practical guide for car owners and workshops.