BMW E81 E87 LCI E90 120d 320d N47 177HP Bare Engine N47D20A New Timing 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 E81 E87 LCI E90 120d 320d N47 177HP Bare Engine N47D20A New Timing WARRANTY is a complete power unit from the N47 family, designed for popular 1 Series and 3 Series diesel models. Thanks to the installation of a new timing chain kit and the preservation of factory performance characteristics, this engine is an attractive solution for users looking for a technically refined, proven base for repair or replacement. It is a proposal for drivers who expect precise unit operation and stable performance parameters.

Specifications and technical data

• SKU: 2146551-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2146551
• Substitutable numbers: 11002146551, 2146551, 11000433011, 0433011, 11000427826, 0427826, 11000441290, 0441290, 11002146552, 2146552, 11000433012, 0433012, 11000427827, 0427827, 11000441291, 0441291
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N47D20A unit

The presented engine belongs to the Engines category and was designed as a four-cylinder diesel unit, which provides a favorable compromise between dynamics and fuel consumption. The configuration based on four cylinders promotes smooth operation, and the use of Diesel fuel allows for high torque at low and medium engine speeds. The 177 HP version is a popular choice due to its flexibility and the ability to drive comfortably both in the city and on the highway.

The N47D20A engine is a modern construction, adapted to work with advanced control electronics and injection systems typical for this generation of BMW. The use of a new timing chain kit reduces the risk of typical failures associated with this component and increases operational safety after installation in the vehicle.

Purpose and compatibility with BMW models

The power unit in question has been prepared for use in BMW 1 Series E87 and 3 Series E90 and E91 models in 120d and 320d versions. As a result, it provides a coherent solution for users who want to restore the full efficiency of the drivetrain without the need for structural modifications. The engine is suitable for vehicles originally equipped with an N47 unit of similar specification, which facilitates integration with the existing electrical system, cooling system, and accessories.

Before purchasing, it is worth verifying the compatibility of the unit with the specific vehicle equipment version and production year using the OEM part number and available interchangeable numbers in the specification section. This allows you to avoid installation problems and ensures a correct fit to the factory configuration of the car.

Condition, mileage, and advantages of the new timing

The engine comes from the secondary market, which allows for the optimization of repair costs compared to a brand-new unit. The declared mileage is relatively low for a diesel unit, which, combined with the newly installed timing chain kit, increases the attractiveness of the offer. Timing replacement is one of the key service procedures in N47 engines, which is why its fresh installation provides significant added value in terms of durability and operational safety.

For the user, this means reducing the risk of costly failures associated with the timing system and the possibility of longer, stable operation of the unit after installation. This is a particularly beneficial solution for those who plan to continue using the vehicle for several more years and expect predictable service costs.

Benefits of installation in BMW E87, E90, and E91

Installing this unit in a BMW E87 120d or BMW E90/E91 320d allows you to restore full drivetrain functionality while maintaining the original driving characteristics. The 177 HP diesel engine provides dynamic acceleration, efficient overtaking, and comfortable highway driving with moderate fuel consumption. The four-cylinder design promotes good refinement and predictable behavior under load.

This unit will be suitable both for drivers covering high mileage and for users who expect a solid base for further operation or possible modifications within factory parameters. This generation of BMW diesel engine performs well in everyday use, combining reasonable fuel costs with satisfying dynamics.

Technical support and additional information

Before purchasing, it is worth preparing the vehicle data (model, year, engine version) and comparing them with the information in the specification to confirm full compatibility. The availability of the OEM part number and interchangeable numbers in the specification table facilitates consultation with a mechanic or technical advisor and helps avoid mistakes when selecting the unit.

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 blocks, cylinder heads, or complete long blocks, check out the available parts in the BMW Engines category.

For 3 Series users, a practical guide describing common power unit problems in this model may be particularly useful – more information can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!, which will help you consciously plan repairs and choose the right service solutions.