BMW E81 E87 LCI E90 118d 318d N47 143HP Bare Engine N47D20A New Timing 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 118d 318d N47 143HP Bare Engine N47D20A New Timing WARRANTY is a complete short block from the N47 family, designed for popular BMW 1 and 3 Series models with diesel units. Thanks to the installation of a new timing chain kit and adherence to factory specifications, this engine is an attractive solution for professional repairs or engine replacements. It is an ideal choice for users looking for a proven base for further accessory installation and stable performance in daily operation.

Specifications and technical data

• SKU: 2146549-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2146549
• Substitutable numbers: 11002146549, 2146549, 11000433009, 0433009, 11000427824, 0427824, 11000441287, 0441287, 11002146550, 2146550, 11000433010, 0433010, 11000427825, 0427825, 11000441289, 0441289, N47, N47D20, 143HP
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Purpose and compatibility

The offered engine belongs to the Engines category and is dedicated to BMW E81, E87, and E90 models in 118d and 318d versions with the 143 HP N47 unit. The four-cylinder inline design ensures good refinement and predictable behavior under load, which is essential for both city driving and long-distance travel.

The unit operates as a diesel engine, which translates into favorable fuel consumption and high torque available in the low and mid-RPM ranges. This solution is particularly valued in vehicles used intensively, where flexibility and economy are key.

Key technical features

The N47D20A engine in this configuration is a modern, turbocharged four-cylinder diesel unit designed for efficient combustion and stable operation across a wide range of loads. The use of a new timing chain significantly reduces the risk of typical failures associated with the wear of this component, which in practice translates into more reliable operation after installation.

The four-cylinder layout combined with diesel characteristics provides a good balance between dynamics and fuel consumption. The unit works well with both manual and automatic transmissions originally intended for this engine version, maintaining proper powertrain operating parameters.

Condition, mileage, and preparation for installation

The engine comes from a used vehicle, however, its mileage is relatively low for a diesel unit, which makes it a favorable starting point for further use. An additional advantage is the freshly replaced timing chain, which reduces post-installation service costs and allows you to focus on the proper adaptation of the unit in the car.

Before installation, a standard preparatory procedure is recommended: checking seals, verifying the lubrication and cooling systems, and fitting accessories from the target vehicle. Such an approach facilitates trouble-free startup and limits the risk of leaks or incorrect operating parameters after replacement.

Advantages of using a used BMW N47 engine

Choosing a used engine with a new timing chain is a reasonable compromise between cost and durability. Compared to a full overhaul or purchasing a brand-new unit, this configuration allows for a significant reduction in repair costs while maintaining high functionality. Additionally, the original BMW design ensures proper fitment with the electrical installation, cooling system, and body mounts.

A used engine with documented specifications also allows for faster repair completion – without long waiting times for a rebuilding process. For workshops and individual users, this means shorter vehicle downtime and a quicker return to the road.

Selection by OEM number and technical support

To correctly select the engine for a specific BMW vehicle, it is worth using the OEM number and interchangeable numbers assigned to this engine. This helps avoid problems with the compatibility of accessories, the engine control unit, or the wiring harness. In case of doubt, an expert guide describing facts and myths about used engines will be helpful – you can find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

If you want to verify the engine's compatibility with your car step-by-step based on the VIN and manufacturer markings, you will find practical tips, checklists, and examples in the guide how to choose the right car part by VIN and OEM number. This is a particularly useful tool for workshops and individual customers who want to approach their purchase consciously.

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