BMW 1 Series E81 E82 E87 LCI 123d Complete Engine N47S N47D20B 204HP WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

BMW 1 Series E81 E82 E87 LCI 123d Complete Engine N47S N47D20B 204HP WARRANTY is a factory diesel unit prepared for use in facelifted 1 Series models. It is a solution for users who are looking for an original BMW engine with consistent design parameters and want to restore the full efficiency of the drivetrain while maintaining an appropriate power reserve.

Specifications and technical data

• SKU: 2146547-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2146547
• Substitutable numbers: 11002146547, 2146547, 11000433019, 0433019, 11002146548, 2146548, 11000433020, 0433020
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N47S N47D20B unit

The presented engine belongs to the Engines category and is intended for facelifted (LCI) BMW 1 Series 123d vehicles. The four-cylinder diesel construction provides a balanced compromise between dynamics and economy, and the use of a modern injection system promotes precise fuel metering.

The unit was designed as a 204HP engine, which in practice translates into clearly flexible acceleration characteristics and comfortable driving across the entire rev range. The use of diesel fuel allows for favorable fuel consumption while maintaining appropriate operating refinement.

Application in BMW 1 Series 123d

The engine is dedicated to the BMW 1 Series in E81, E82, and E87 facelift body styles, in the 123d version. Thanks to this, it provides a consistent solution for users who want to recreate the factory drivetrain configuration without the need for structural changes in the engine bay.

The four-cylinder unit works well with the stock drivetrain systems used in these models, which facilitates installation and limits the need for additional modifications. This type of configuration is particularly valued in cars used both in daily operation and for more dynamic highway driving.

Condition, mileage, and benefits of choosing a used engine

The offered engine is a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The declared mileage ensures a favorable ratio between the degree of wear and the potential for further operation, while maintaining an appropriate durability reserve.

Choosing a complete used OEM engine is particularly attractive for workshops and individual users who want to shorten vehicle downtime and avoid the long-term regeneration of an old unit. This type of solution also facilitates subsequent diagnostics, as the engine's operating parameters remain close to factory specifications.

Selection and compatibility with part numbers

The engine has an assigned OEM part number and a set of interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and service systems. Thanks to this, the workshop can quickly verify the unit's compatibility with a specific vehicle equipment version, minimizing the risk of selecting an incorrect component.

In practice, this means that by using the correct catalog markings, one can precisely match the engine to a specific BMW 123d unit, maintaining compatibility with the accessories and vehicle installation. This is a significant advantage in the context of professional repairs and reducing unnecessary downtime.

Technical support and additional information

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

Before making a decision to replace the power unit, it is worth familiarizing yourself with typical problems and maintenance costs of BMW engines, especially in popular models. A practical discussion of failure-prone designs and potential expenses can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!, which will allow you to better assess the profitability of purchasing a used OEM engine.

Additionally, if you are interested in how the availability of used units and sub-assemblies affects repair time and workshop organization, it is worth checking out the guide Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?, which discusses the practical aspects of using original components from the secondary market.