BMW E81 E87 LCI E90 116i 316i 122HP Bare Engine N43B16AA 10k miles 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 Bare Engine N43B16AA 10k miles WARRANTY is a used, original petrol engine from the N43 family, designed for the facelifted 1 Series models. This unit belongs to the popular group of BMW four-cylinder engines, which facilitates the selection of accessories and integration with the vehicle's factory electronics. This is a solution for users looking for a proven engine block as a base for repair or engine replacement.

Specifications and technical data

• SKU: 0439140-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0439140
• Substitutable numbers: 11000439140, 0439140, N43B16AA, N43B16A, N43B16, N43, 1100043914, 0439141, 11000439141, 11000439142, 0439142, 11000439143, 0439143
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N43B16 engine

The offered engine belongs to the Engines category and represents a modern BMW petrol design with four cylinders in an inline configuration. The use of petrol fuel promotes smooth operation and allows for precise control of the combustion process by factory BMW engine control units. The N43B16 unit is designed for efficient power utilization while maintaining moderate fuel consumption, making it an attractive base for further operation in E81 and E87 LCI 116i models.

The engine as a used block is particularly interesting for workshops specializing in the BMW brand and for informed users who want to restore full drivetrain performance without investing in a brand-new unit. The four-cylinder design facilitates service, access to components, and diagnostics, which translates into predictable maintenance costs.

Purpose and application in the BMW 1 Series

BMW E81 E87 LCI E90 116i 316i 122HP Bare Engine N43B16AA 10k miles WARRANTY uses the N43B16 engine as the primary powertrain in petrol versions, which is why the presented product is a natural choice when replacing a damaged engine or performing a major drivetrain overhaul. Using the correct engine type from the same family allows for maintaining compatibility with the factory wiring harness, engine control unit, and transmission system.

The N43 unit is well-known in the BMW service environment, which facilitates:

• selection of appropriate accessories and auxiliary components,
• transfer of functional components from the previous engine,
• proper configuration of the control unit and adaptation in the vehicle.

Thanks to this, the engine can be effectively used both in standard replacement and in more advanced repair projects where compliance with the original BMW specification is essential.

Condition, mileage, and benefits of choosing a used engine

The presented engine is offered as a used powertrain component, which allows for significantly reducing repair costs compared to a brand-new unit. The declared mileage provides an attractive compromise between wear and purchase cost-effectiveness, especially for vehicles used on a daily basis. A used engine block is a good solution when the previous unit has suffered a major mechanical failure or would require an uneconomical general overhaul.

If you want to better understand how to safely choose used powertrains and gearboxes, it is worth reading the expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical information there about verifying the condition, selecting by OEM numbers, and real cost differences between new and used components.

Selection, installation, and technical support

When selecting the N43B16 engine for a BMW E81 or E87 LCI, it is crucial to verify compatibility with the vehicle configuration, particularly in terms of the accessories used and the equipment version. It is recommended that the installation be performed by a workshop with experience in N43 units, which will facilitate the proper transfer of auxiliary components, system bleeding, and control unit adaptation.

For users who are planning to purchase a used engine for the first time or want to systematize their knowledge, a practical step-by-step guide will be helpful: How to buy a used car engine and not get scammed – a step-by-step guide. The article discusses, among other things, what to pay attention to during inspection, what questions to ask the seller, and how to assess the investment's profitability.

BMW engines – expansion and powertrain modernization

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

By choosing a unit from the N43 family, you gain consistency with the factory BMW 1 Series powertrain concept, while also having the opportunity to optimize repair costs by using a used, proven four-cylinder petrol engine.