BMW E81 E87 LCI E90 E91 116i 316i N43 Bare Engine N43B16AA 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 E91 116i 316i N43 Bare Engine N43B16AA New Timing WARRANTY is a used powertrain unit from the N43 family, designed for the 1 Series and 3 Series models after the facelift. This petrol engine, with its compact design, four-cylinder layout, and modern architecture, ensures efficient power delivery and smooth operation in daily use. It is the ideal solution for users looking for a technically compatible engine block for their BMW.

Specifications and technical data

• SKU: 0439140-1
• 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

Purpose and compatibility

The offered engine belongs to the Engines category and is intended for BMW E81, E87, and E90 LCI vehicles in the 116i and 316i versions equipped with the N43B16A unit. The design, based on four cylinders in-line and petrol fuel supply, allows for maintaining the factory performance characteristics, which is essential when replacing a damaged engine with a component of similar parameters. The unit is suitable for users who want to maintain the original drivetrain configuration without interfering with the vehicle's electronics and accessories.

Technical characteristics of the N43B16A unit

The N43B16A engine is a modern, compact petrol unit with four cylinders, designed for efficient fuel consumption and stable operation across a wide RPM range. The cylinder layout promotes even load distribution, and the block and cylinder head design were developed for precise control of the combustion process. As a result, the engine works well with factory control systems, maintaining predictable throttle response and appropriate flexibility in both urban and extra-urban driving.

The unit's mileage allows for an assessment of its service history and planning for future use, which is important when calculating the cost-effectiveness of replacing the entire engine versus repairing the existing one. For workshops and individual users, this means the ability to make an informed choice of component for further maintenance.

Practical application and installation

The N43B16A engine is suitable as a replacement in vehicles where the existing unit has suffered a major mechanical failure or requires costly refurbishment. Using an original engine block from the same engine family facilitates the installation process, reducing the need for adapting the electrical wiring and fuel system. For workshops, this means shorter service turnaround times, and for the user – a faster return of the vehicle to the road.

The N43 petrol unit fits well with the requirements of drivers expecting a reasonable compromise between dynamics and fuel consumption. Combined with a properly functioning gearbox and control system, the engine ensures smooth acceleration and stable idling, which translates into daily driving comfort.

Benefits of choosing a used BMW N43 engine

Choosing a used engine from the N43 family for a BMW E81, E87, or E90 LCI allows for a significant reduction in repair costs compared to purchasing a brand-new unit. Maintaining the original manufacturer's specifications facilitates integration with existing accessories, and the availability of interchangeable part numbers allows for precise matching of the component to a specific vehicle version. This solution is particularly beneficial for users who want to keep their car in good technical condition on a rational service budget.

An additional advantage is the possibility of further maintenance based on standard BMW procedures, which facilitates diagnostics and potential future repairs. For workshops specializing in the brand, this means a predictable scope of work, and for the vehicle owner – greater transparency of operating costs.

BMW Engines – expansion and modernization of the powertrain zone

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

Substantive support and knowledge about BMW E90 units

Before deciding to replace the powertrain in a BMW E90, it is worth familiarizing yourself with the typical problems and specifics of individual engines. Practical information on failure rates, repair costs, and common faults can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!, which will help you better assess the cost-effectiveness of installing the offered N43B16A engine in your car.