BMW E81 E87 LCI E90 116i 316i 122HP Complete Engine N43B16AA 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 116i 316i 122HP Complete Engine N43B16AA WARRANTY is a complete petrol powertrain from the N43 family, designed for BMW's compact and mid-size models. The unit features a modern four-cylinder design, providing efficient, economical, and dynamic vehicle propulsion while maintaining high operational refinement. This is a solution for users looking for a technically matched engine for specific post-facelift BMW 1 and 3 Series versions.

Specifications and technical data

• SKU: 0439140-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0439140
• Substitutable numbers: 11000439140, 0439140, 11000439141, 0439141, N43, N43B16, N43B16A
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 56 000

Technical characteristics of the N43B16AA unit

The presented engine belongs to the N43 family, which consists of modern, inline four-cylinder petrol units from BMW. This architecture provides a favorable compromise between weight, efficiency, and refinement, which translates into predictable vehicle behavior in daily operation. The use of petrol fuel allows for smooth power delivery, good throttle response, and the possibility of precise tuning for economy or performance.

A complete engine means that you receive a powertrain prepared as a base for a swap or for replacing an existing unit in the car. This is particularly important for post-accident repairs or when replacing an engine after a major failure, where component consistency and structural compatibility with factory BMW solutions are paramount.

Application in BMW E81, E87, and E90 LCI models

The N43B16AA unit was developed for the compact BMW 1 Series (E81, E87) and the post-facelift 3 Series (E90 LCI) in 116i and 316i versions. As a result, the engine is structurally matched to the engine bay, cooling system, electrical installation, and control systems in these specific models. This allows for the preservation of the factory driving character, predictable dynamics, and compatibility with original onboard systems.

This intended use makes the engine particularly attractive for workshops specializing in the BMW brand and for users who want to restore their car to full efficiency while maintaining the original powertrain concept. Proper selection of the unit for the body and model version minimizes the risk of installation issues and reduces the need for wiring modifications.

Benefits of choosing a complete BMW petrol engine

Choosing a complete petrol engine from the N43 family is a solution that facilitates the repair process and reduces vehicle downtime. The four-cylinder unit provides:

• structural consistency with factory BMW solutions,
• predictable performance parameters in daily use,
• the possibility of effective servicing in specialized workshops,
• good availability of technical documentation and service procedures.

Additionally, the petrol nature of the unit promotes smooth operation across the entire rev range, which is important both in city driving and on the highway. For users who value the BMW brand, this is an opportunity to maintain powertrain consistency with the vehicle's original specification.

Condition, mileage, and suitability for further use

The engine comes from the secondary market, which means it was previously used in a vehicle. Information about the mileage allows for a better assessment of the unit's potential for further operation and helps in planning any necessary service activities before installation. This type of solution is often chosen as an economical alternative to brand-new powertrains, especially in the case of cars that are several or more years old.

Before installation, standard preparatory activities are recommended, such as checking for leaks, verifying accessories, and replacing consumables in accordance with BMW service procedures. This approach increases the chance of trouble-free operation and allows you to fully utilize the potential of this powertrain.

Selection and additional technical information

To correctly select this engine for a specific car, it is worth using the powertrain markings and vehicle data. The product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific car configuration. In case of doubt, a good solution is to consult a mechanic or a specialist dealing exclusively with the BMW brand, who will confirm compatibility with the given equipment version.

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 powertrains, check the available parts in the BMW Engines category.

For 3 Series users interested in a broader context of operation and typical problems of powertrains, especially in the E90 model, the following guide article will be helpful: Troublesome BMW E90 engines: check what can ruin your budget!. This is a practical addition to your knowledge when planning the replacement or purchase of a used engine.