BMW 1 Series E81 E87 LCI 123d Complete Engine N47S N47D20D New Timing WARRANTY

BMW 1 Series E81 E87 LCI 123d Complete Engine N47S N47D20D New Timing WARRANTY is a factory diesel unit prepared as a ready-to-install engine block for post-facelift 1 Series models. By maintaining the original BMW specifications and featuring a four-cylinder diesel design, it provides a solid foundation for professional repair or replacement of a damaged engine. An additional advantage is the new timing chain kit, which significantly increases the operational safety of this unit.

Specifications and technical data

• SKU: 2166952-3
• 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 unit

The offered engine belongs to the family of BMW N47 diesel units, in the version designed for the 1 Series 123d E81/E87 LCI model. The four-cylinder layout ensures a balanced combination of performance and economy, while the use of diesel fuel allows for high torque with low fuel consumption. The design of this unit is well-known in the service industry, which facilitates diagnostics, maintenance, and any potential further service work.

The engine is complete as a short block intended for installation in the engine bay, allowing for efficient replacement of a damaged unit in the vehicle. The engine has limited mileage, which, combined with the replaced timing chain, provides a favorable starting point for further operation in a car used both daily and in more demanding conditions.

New timing chain and its importance for durability

N47 units are known for the sensitivity of their timing system, which is why the new timing chain in this engine is crucial for safety and operational predictability. This reduces the risk of costly failures related to the chain, tensioners, and guides, and also limits the need for immediate investments after installation in the car.

For workshops and private users, this means the possibility of installing the engine with greater peace of mind regarding long-term operation. Timing chain replacement is one of the most time-consuming operations for this unit, which is why purchasing a short block with this scope of work already completed is a technically and economically advantageous solution.

Application in BMW 1 Series E81/E87 LCI 123d

The engine has been designed to work with the BMW 1 Series 123d post-facelift drivetrain, ensuring proper fitment with factory mounts, accessories, and vehicle electronics. This makes it possible to maintain the original operating parameters, engine refinement, and performance characteristics intended by the manufacturer.

The four-cylinder diesel design fits well with the requirements of dynamic yet economical driving, typical for 123d models. This unit will perform well both in fleet-used vehicles and in private cars, where a combination of performance and reasonable fuel costs is important.

Benefits of choosing an original BMW engine

By choosing an original BMW engine from the Engines category, you gain certainty of structural compatibility with the manufacturer's factory solutions. This means proper fitment with the body, cooling, fuel, and control systems, as well as predictable engine behavior under various load conditions. For workshops, this translates into more efficient installation and a lower risk of adaptation problems.

If you want to better understand the specifics of BMW diesel units and avoid costly mistakes when choosing a powertrain, it is worth reading our guide: Troublesome BMW E90 engines – a practical guide to problematic units. This will allow you to approach the subject of service and operation of engines from this brand with awareness.

BMW Engines – expansion and modernization of the powertrain

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as blocks, cylinder heads, or complete short blocks, check out the available parts in the BMW Engines category.

For those thinking long-term about the vehicle's value, a guide explaining the impact of original components on the subsequent resale of the car may also be useful: original used parts vs. car resale value. This makes it easier to plan repairs in a way that is beneficial both technically and financially.