BMW 1 3 Series E81 E87 LCI E90 116d 118d 318d N47 Bare Engine N47D20C WARRANTY

The BMW N47D20C bare engine is a used, original BMW diesel engine designed for select 1 and 3 Series models, offered in a bare-metal configuration. It's a solution for workshops and users who need a solid foundation for professional engine replacement or overhaul in cars with BMW's four-cylinder diesel engine.

Specifications and technical data

• SKU: 2157055
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2157055
• Substitutable numbers: 11002157055, 2157055, 11002157056, 2157056, 11002151731, 2151731, 11002151732, 2151732
• Fuel type: Diesel
• Number of cylinders: 4

Bare engine purpose and configuration

The base N47D20C engine is offered as a bare engine, consisting of a block, cylinder head with valve cover, and oil pan. The unit is supplied without accessories, allowing you to repurpose existing ancillary components from your existing engine while maintaining a configuration tailored to your specific vehicle.

The first photo shows a complete engine – however, this offer only includes the bare engine variant, as stated in the product description. This sales format is particularly beneficial for repair shops that plan to use their own components or select their own components.

Design parameters and operating characteristics

The offered unit is a four-cylinder diesel engine, designed for economical yet dynamic driving in compact and mid-size BMW models. The cylinder layout ensures smooth operation, and the modern N47 design allows for efficient torque transfer, translating into flexibility in typical driving conditions.

This engine belongs to the family of engines installed in the BMW 1 and 3 Series E81, E87 LCI, and E90 diesel versions. It is a popular base for repairs and replacements, well-known to workshops specializing in BMW, facilitating servicing and access to technical expertise.

Original origin and technical condition

The unit comes from the BMW Genuine Parts line (Genuine OE), meaning it's factory-fitted to the intended models and complies with the vehicle manufacturer's requirements. This is a used engine, so a standard workshop inspection is recommended prior to installation, including a leak check, compression test, and an assessment of the condition of internal components in accordance with service practices.

The offered product is intended for professional service centers and informed users who plan to replace the drive unit while maintaining factory operating parameters and compatibility with the vehicle's electronics.

Selection, compatibility and technical support

To correctly match the N47D20C bare engine to your specific BMW, it's crucial to verify compatibility by vehicle identification number (VIN) and part numbers. This helps avoid installation issues and differences in hardware or engine control unit software.

When in doubt, it's worth using expert resources on selecting used engines. Practical tips, procedures for checking by VIN and part numbers, and a discussion of purchase profitability can be found in the guide: Why Buy Used Transmissions and Engines – Facts Instead of Myths .

If you are also looking for other original drive components for your car, check out the full range of BMW parts in our category: original BMW engine parts .

Practical application and installation benefits

Replacing the unit with a used, original base engine is often a beneficial solution in the event of serious damage to the existing engine. It allows:

• maintain the factory driving characteristics specific to BMW 1 and 3 Series models with the N47 engine,
• use existing equipment and installations, limiting the scope of modifications,
• shorten repair time compared to a complete rebuild of the old unit,
• maintain consistency with the original vehicle control system and electronics.

For workshops specializing in the BMW brand, such a bare engine provides a convenient basis for a comprehensive engine replacement service, with the option of individually preparing the unit (e.g. replacing seals, checking the timing, cleaning the oil channels) before installation in the customer's car.