BMW E81 E87 LCI 123d N47S Bare Engine N47D20D New Timing Installed 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 123d Engine N47S N47D20D New Timing Chain Kit is a complete diesel engine block from the N47 family, designed for BMW 123d Series 1 models. This unit belongs to a modern generation of diesel engines, ensuring brisk acceleration, low fuel consumption, and stable performance in daily use.

Specifications and technical data

• SKU: 2166952-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2166952
• Substitutable numbers: 11002166952, 2166952, 11002151751, 2151751, 11002166953, 2166953, 11002151752, 2151752
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical Characteristics of the N47S / N47D20D Engine

The offered engine comes from the Engines category and represents the BMW N47 diesel engine family, used in the 123d version. The design is based on a four-cylinder inline configuration, which promotes smooth operation, good running refinement, and predictable torque characteristics. The use of a modern injection system and advanced head architecture allows for a favorable compromise between dynamics and driving economy.

The engine is designed for diesel fuel, which, combined with the N47S / N47D20D design, makes the unit perform well in both city driving and on longer journeys. Thanks to its compact construction and typical BMW mounting geometry, installation in E81 and E87 bodies is predictable and does not require structural modifications, provided the selection is made according to the model designation and part numbers.

New Timing Chain Kit – A Key Operational Advantage

A significant advantage of this unit is the new timing chain kit, which is of great importance for the durability and operational safety of N47 engines. Replacing the timing chain components eliminates typical risks associated with wear of the chain and associated parts, thereby reducing the likelihood of costly future failures.

• Reduced Risk of Failure – a new timing chain kit reduces stress caused by play and wear in the drive components.
• Stable Unit Operation – correct synchronization of the crankshaft and camshafts translates to smooth engine running.
• Better Service Predictability – a recently serviced timing chain kit facilitates planning of subsequent inspections.

Condition, Mileage, and Application in BMW 123d

The engine is offered as used, with documented, relatively low mileage, which, combined with the new timing chain kit, provides a favorable basis for further operation. This type of unit is particularly attractive to users who want to restore their BMW 123d to full operational capacity without investing in a brand-new engine.

Before purchasing, it is recommended to verify compatibility with the specific equipment version and vehicle year, as well as to compare the engine designations with the data in the car's documentation. A correctly selected N47S / N47D20D engine block allows for maintaining factory driving parameters, proper cooling, and compatibility with existing control electronics.

Why Choose a Used BMW Engine with a New Timing Chain Kit

Purchasing a used engine from the N47 family with a serviced timing chain kit is often an economically advantageous solution compared to regenerating a heavily worn unit. You receive a complete engine block prepared for further operation, while reducing the risk of typical timing drive-related failures.

• Optimal Cost-to-Durability Ratio – a used unit with a new timing chain kit significantly reduces repair costs compared to purchasing a new engine.
• Time Savings – replacing a complete engine is usually faster than extensive repairs to an old unit.
• Maintaining the Character of the BMW 123d – installing the correct N47S / N47D20D type preserves the factory power and torque characteristics.

If you want to better understand how to safely choose used powertrains and what the real cost differences are compared to new components, check out the expert guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, where you will find practical tips on selection by OEM and VIN numbers.

BMW Engines – Choosing the Right Unit

When choosing this engine for a BMW 1 Series, pay attention to the compatibility of model designations, body versions, and fitted accessories. A correctly selected N47S / N47D20D engine block allows for smooth installation and reduces the need for adapting additional components. If you are looking for other powertrains from this brand, the BMW engines category may be helpful, where you will find a wide selection of engines for various models from the manufacturer.