BMW F10 F20 F21 F30 E90 E91 LCI Bare Engine Block Diesel N47D20C 2359840 7810596

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F10 F20 F21 F30 E90 E91 LCI Bare Engine Block Diesel N47D20C is a factory-original, used component from the Engine blocks category, designed for modern BMW diesel units. The bare block provides a solid foundation for professional engine rebuilding, allowing for the precise transfer of accessories and sub-assemblies from an existing powertrain.

Specifications and technical data

• SKU: 2359840-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2359840
• Substitutable numbers: 2359840, 11112359840, 2285308, 11112285308, 7810596
• Fuel type: Diesel
• Part type: Engine Block
• Category: Engine Blocks

Purpose and technical specifications

The presented bare engine block is dedicated to the N47D20C diesel engine family, used in popular BMW 1, 3, and 5 series models. The construction, prepared for a diesel engine, ensures appropriate rigidity, correct cylinder guidance, and compatibility with factory crankshaft, piston, and cylinder head components.

The block is stripped of accessories, which allows for flexible configuration – a mechanic or engine regeneration specialist can select and transfer elements according to the requirements of a specific vehicle. This solution is particularly beneficial in cases of severe damage to the original unit, where repairing the existing block is uneconomical or technically impossible.

Benefits of using a bare engine block

Using a bare engine block in the repair process allows for:

• rebuilding the powertrain while maintaining factory geometry and mounting points,
• quality control of the internal components being installed,
• cost reduction compared to purchasing a complete engine,
• customizing the configuration to the specific vehicle (accessories, balance shafts, additional elements).

For workshops specializing in engine regeneration, the BMW diesel bare block serves as a practical base for building a unit with known parameters and predictable performance during operation.

Condition and practical service application

The item comes from dismantling and is offered as a used part, which allows for economical repair while maintaining the manufacturer's original specifications. In service practice, such a block is particularly effective in situations where mechanical damage has occurred within the cylinders or the block structure, while other engine components remain suitable for reinstallation.

Before installation, standard preparatory steps are recommended, such as thorough cleaning, verification of mating surfaces, and dimensional inspection in accordance with the manufacturer's procedures. This ensures that the rebuilt unit can operate stably and predictably over a long period of use.

Integration with the diesel engine system

The block is structurally adapted to work with the fuel injection system and accessories typical of modern BMW diesel engines. The appropriate layout of oil and cooling channels, as well as accessory mounting points, facilitates the transfer of existing components from the damaged unit. This solution helps maintain the consistency of the entire powertrain, including compatibility with the turbocharger, exhaust gas recirculation system, and engine control systems.

When combined with properly selected pistons, connecting rods, crankshaft, and cylinder head, the block is a key element ensuring the correct operating parameters of the diesel unit, such as compression, thermal stability, and resistance to loads characteristic of diesel engines.

Technical support and additional information

When selecting a bare block for a specific vehicle, it is worth paying attention to compatibility with the engine unit, model year, and equipment version. In case of doubt, it is helpful to compare data from the vehicle's service documentation and consult with an experienced mechanic or engine regeneration specialist.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as housings, crankcases, or other blocks, check the available parts in the BMW Engine blocks category.

For a better understanding of how modern diesel units and their associated systems work, it is worth reading an article describing the exhaust gas recirculation system and the benefits of using used components, such as EGR: what it is and why it is worth considering used EGR valves.