BMW E81 E87 LCI E90 E91 E92 120d 320d N47 177HP Bare Engine N47D20A 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 E91 E92 120d 320d N47 177HP Bare Engine N47D20A WARRANTY is a used, factory-spec diesel engine block (bare engine) designed for popular BMW 1 Series and 3 Series models equipped with the N47 unit. This is an ideal solution for users looking for a technically compatible, verified powertrain component that allows for professional repair or replacement of a damaged engine. By maintaining the original design, this bare engine serves as a solid foundation for further assembly with your existing accessories.

Specifications and technical data

• SKU: 2146551
• 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 bare engine

The presented engine block belongs to the Engines category and is designed for a four-cylinder diesel unit. This configuration provides an excellent balance between performance and fuel economy while remaining consistent with BMW's factory design specifications for the N47 family 120d and 320d models.

A "bare engine" means you receive the base block with the cylinder head, prepared for the transfer of accessories from your previous engine. This solution is frequently chosen by professional workshops because it allows for compatibility with the existing installation, ECU, and accessories while replacing the key mechanical component.

Application in BMW 1 Series and 3 Series models

The N47D20A engine is used in popular 120d and 320d versions across E81, E87 LCI, E88, E90, E91, and E92 body styles. Consequently, a single type of bare engine can support a wide range of body configurations, which simplifies parts selection in the workshop and speeds up the repair process. Maintaining the original architecture of the power unit facilitates seamless integration with the existing drivetrain and vehicle electronics.

A used bare engine with a relatively low mileage is an attractive alternative to rebuilding a heavily worn engine. It helps reduce vehicle downtime and costs while maintaining the factory design parameters of the N47 unit.

Benefits of choosing a used bare engine

Choosing a used bare engine from the N47D20A family is a solution that is often more cost-effective than a full rebuild of a damaged engine. You receive a base that complies with BMW's factory specifications, which you can complete with your own accessories, maintaining consistency with the vehicle's current configuration. For workshops and users, this means:

• the ability to use existing accessories and installations,
• limiting mechanical work to the necessary minimum,
• easier maintenance of compatibility with the current engine control unit (ECU),
• more predictable repair turnaround time.

To better understand how to safely and consciously choose used power units, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection based on OEM and VIN numbers as well as cost ratios compared to new components.

Selection, compatibility, and installation aspects

Before purchasing, it is recommended to verify the compatibility of the bare engine with your specific BMW version, taking into account the body generation and the N47 unit used. It is crucial to match it with the existing accessory configuration so that the installation proceeds smoothly without the need for additional modifications. A professional workshop with experience in working with N47 engines will be able to effectively transfer the accessories and prepare the unit for further operation.

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 power units, check out the available parts in the BMW Engines category.

Summary

BMW E81 E87 LCI E90 E91 E92 120d 320d N47 177HP Bare Engine N47D20A WARRANTY is a practical solution for users and workshops that want to restore vehicle performance while maintaining the factory concept of the power unit. The used N47 family bare engine, designed for 1 Series and 3 Series models, allows for professional repair using existing accessories, which helps optimize costs and service turnaround time.