BMW E81 E82 E88 E87 E90 E91 LCI X1 E84 N47 N47D20C Engine Block 2179685

Description

BMW E81 E82 E88 E87 E90 E91 LCI X1 E84 N47 N47D20C Engine Block is an original component from the Engine blocks category, designed for N47/N47D20C diesel units in popular BMW 1 Series, 3 Series, and X1 models. This used engine block provides a solid foundation for professional engine rebuilding, allowing for a technically correct repair without the need for a costly replacement of the entire power unit.

Specifications and technical data

• SKU: 2179685
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2179685
• Substitutable numbers: 2179685, 11112179685, 2151695, 11112151695
• Category: Engine Blocks

Purpose and compatibility

The presented block is dedicated to N47/N47D20C engines used in BMW E81, E82, E88, E87, E90, E91 LCI, and X1 E84 models. This means it can be used for repairs of units in compact 1 Series hatchbacks, 3 Series sedans and estates, as well as the first-generation X1 model. By maintaining factory geometry and mounting points, the block allows for the restoration of the original engine configuration in accordance with manufacturer standards.

Technical characteristics of the engine block

The N47 family block is the primary structural component of the power unit, responsible for maintaining the correct positioning of the cylinders, crankshaft, and piston system. The design is intended for operation with modern, high-pressure injection systems and accessories typical for BMW N47 engines, which enables the maintenance of appropriate rigidity and thermal stability. Using an original block ensures proper routing of oil and cooling channels, which is crucial for durability after repair.

Application in the engine repair process

A used engine block of this type is particularly useful in situations where the existing unit has suffered mechanical damage, such as cracks, seizing, or deformation of cylinder bores. Replacing the block itself allows for:

• retaining existing accessories and the cylinder head while rebuilding the engine base,
• precise fitment to factory mounts in the BMW engine bay,
• restoring the correct operation of the lubrication and cooling system after proper preparation of the component.

For workshops specializing in the BMW brand, this is a solution that enables an economical yet technically correct engine rebuild.

Benefits of using an original BMW block

Using an original block from the BMW Engine blocks group allows you to maintain compliance with the vehicle’s factory specifications. You receive a component designed specifically to work with the N47/N47D20C engine, which facilitates installation and subsequent operation. For the user, this means greater predictability of the unit’s performance after repair and the possibility of further service according to the manufacturer’s documentation. The used nature of the part also allows for optimizing repair costs while maintaining the original design.

Verification, part numbers, and selection

The block has an assigned OEM part number and corresponding interchangeable numbers, which facilitates clear identification in BMW catalogs and parts selection systems. Before purchasing, it is worth comparing the markings with the vehicle’s documentation or consulting a mechanic to confirm compatibility with the specific version of the N47/N47D20C engine. Thanks to this, the block can be used as a base for a complete unit rebuild, while maintaining proper operating parameters.

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 basic power unit components, check the available parts in the BMW Engine blocks category.

Practical tips for buying a used block

When choosing a used engine block, it is worth paying attention to the unit’s history, the method of disassembly, and the preparation of the component for further machining. A detailed guide on purchasing used power units may be helpful – you can find it in the article How to buy a used car engine without getting scammed – a step-by-step guide, which describes what to look for when assessing the condition of base components such as the engine block.

Summary

BMW E81 E82 E88 E87 E90 E91 LCI X1 E84 N47 N47D20C Engine Block is an original, used structural component intended for the professional rebuilding of N47/N47D20C units in popular BMW models. Choosing this solution allows for a technically correct repair while maintaining factory geometry and compatibility, which is particularly important for workshops specializing in the BMW brand and users expecting a predictable service outcome.