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.

BMW E81 E87 LCI E90 116i 316i 122HP Complete Engine N43B16AA 10k miles WARRANTY is a proposal for users of the BMW 1 Series E81/E87 LCI and 3 Series E90 in 116i and 316i versions with 122 HP, who are looking for a proven power unit for professional repair or replacement. By maintaining factory specifications and the configuration for a four-cylinder petrol engine, the product allows for the restoration of proper drivetrain operation without interfering with the vehicle's construction. This is a solution for those who want to limit the risk of costly experiments and opt for a technically matched component.

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

Application and compatibility

The presented engine is intended for BMW 1 Series E81/E87 LCI 116i and BMW 3 Series E90 316i models with the 122 HP N43B16AA unit. The design, based on four cylinders and petrol fuel, ensures the operating characteristics typical for this generation – good flexibility in urban conditions and predictable behavior at higher RPMs. The unit is prepared as a complete engine, which facilitates the installation process in place of a damaged motor, while maintaining the original engine bay architecture.

Construction and technical characteristics

The N43B16AA engine belongs to the modern family of BMW four-cylinder petrol units, designed to combine moderate fuel consumption with adequate dynamics. The inline cylinder layout promotes a compact design and facilitates service access to accessories. The use of petrol as fuel allows for refined operation, predictable throttle response, and good cooperation with factory engine control systems in E81, E87 LCI, and E90 models.

The unit has been configured to work with the original cooling, fuel, and exhaust systems in the listed models, which limits the need for additional modifications. The four-cylinder construction promotes a balance between weight, refinement, and operating costs, which is important both in daily use and during subsequent inspections.

Mileage, condition, and repair suitability

The engine comes from a used vehicle, however, its mileage is within an attractive range from the point of view of further operation, making it an interesting alternative to rebuilding a heavily worn unit. Moderate mileage combined with a complete configuration makes this a particularly interesting solution for workshops specializing in the BMW brand and for conscious users who want to restore full drivetrain efficiency without investing in a new engine.

The product is classified as used, therefore standard service verification (checking for leaks, condition of accessories, potential replacement of consumables) is recommended before installation, which will allow for maximizing the unit's potential and limiting the risk of unplanned vehicle downtime.

Benefits of installing this unit

Choosing the complete N43B16AA engine for the BMW E81/E87 LCI 116i and E90 316i brings a number of practical benefits:

• Reproduction of factory specifications – no need for installation adaptation, preservation of original operating parameters.
• Consistency with the engine control system and vehicle electronics, which facilitates startup after installation.
• Possibility of shortening repair time compared to a full rebuild of an old unit.
• A reasonable compromise between purchase cost and expected durability with proper service maintenance.

For workshops specializing in BMW, this is a component that allows for high-level technical repairs while maintaining transparent costs for the end customer.

BMW engines – component selection and repair expansion

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 long blocks, check the available parts in the BMW Engines category.

To better assess the cost-effectiveness of replacing a power unit in the 3 Series, it is worth familiarizing yourself with practical tips regarding common faults – they are discussed in detail in the article Troublesome BMW E90 engines: check what can ruin your budget!, which will help you consciously plan the scope of work and repair budget.