BMW E81 E87 LCI E90 116i 316i 122HP Complete Engine N43B16AA 10k miles WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

The BMW E81 E87 LCI E90 116i 316i 122HP Complete Engine N43B16AA 10k miles WARRANTY designed for BMW 1 Series E81/E87 LCI and 3 Series E90 models with 116i and 316i units producing 122 HP is an ideal choice for drivers looking for a proven, used powertrain. This is a four-cylinder petrol engine that, thanks to its modern design, ensures refined operation, good flexibility, and reasonable fuel consumption in daily use. The offered unit comes from a low-mileage vehicle and is covered by a seller's warranty, which increases the security of your purchase.

Specifications and technical data

• SKU: 0439140-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 439140
• Substitutable numbers: 11000439140, 0439140, N43B16AA, N43B16A, N43B16, N43, 11000439141, 0439141, 11000439142, 0439142, 11000439143, 0439143
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Purpose and compatibility

The engine was designed as a factory powertrain for the BMW 1 Series E81/E87 LCI and 3 Series E90 in 116i and 316i versions with 122 HP. The N43B16AA designation identifies a modern, compact petrol engine that fits well with the character of lightweight, urban, and suburban BMWs. As a result, it is a suitable choice both for a standard replacement of a damaged engine and for professional post-accident or overhaul repairs in authorized and independent service centers.

Construction and technical characteristics

The unit belongs to the family of modern BMW petrol engines with direct fuel injection. The four-cylinder layout ensures a good balance between refinement and maintenance costs, and the use of petrol as fuel allows for smooth power delivery across the entire rev range. The N43B16AA design was developed with efficient combustion and emission reduction in mind, which translates into user-friendly characteristics in daily operation.

As a complete powertrain, the engine is suitable for direct installation in the engine bay of vehicles for which it was factory-intended. The design solutions of this unit are well-known to workshops specializing in the BMW brand, which facilitates diagnostics, maintenance, and any potential future service work.

Condition, mileage, and benefits of buying a used engine

The offered engine comes from the Engines category and is a used item with documented, relatively low mileage. Such mileage means less wear on moving parts compared to typical units from the secondary market, which in practice can translate into longer, trouble-free operation after installation. An additional advantage is the seller's warranty, which provides significant investment protection for such a critical component as a powertrain.

Choosing a used BMW petrol engine instead of a full overhaul of the existing unit often allows for significant cost savings, shorter vehicle downtime, and avoids the risks associated with an incomplete history of previous repairs. This is a particularly beneficial solution for workshops and individual customers who expect a reasonable compromise between price and durability.

Why choose this BMW N43B16AA engine

Purchasing the BMW E81 E87 LCI E90 116i 316i 122HP Complete Engine N43B16AA 10k miles WARRANTY is a great solution for those who:

• are looking for a low-mileage powertrain,
• want to maintain the original factory specification of the vehicle,
• expect a petrol engine with a balanced 122 HP output,
• value the availability of service parts and the familiarity of the design to workshops.

Because this is an original BMW engine from the N43 family, you can count on a proper fit to the factory installation, correct cooperation with the vehicle's electronics, and predictable behavior while driving. This is particularly important in the case of modern cars, where the integration of the powertrain with control systems is crucial for reliability.

Selection, reference numbers, and technical support

The engine has an assigned OEM part number and a set of interchangeable numbers, which facilitates its clear identification in catalogs and service systems. When selecting, it is recommended to verify compatibility using the vehicle's VIN and compare the unit markings with the manufacturer's data to ensure full compatibility with a specific version of the BMW 1 or 3 Series. In case of doubt, it is worth consulting an experienced workshop specializing in the BMW brand or the seller's technical department.

To better understand how to safely purchase used powertrains and which selection procedures based on VIN and OEM numbers are recommended, read our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, common myths, real savings, and practical tips when buying used engines.

Other BMW engines in the same category

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 complete powertrains, engine blocks, or other powertrain configurations, check out the available parts in the BMW Engines category.