BMW E90 E91 E92 LCI Bare Engine 323i 325i N52N N52B25A 218HP 87k 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 E90 E91 E92 LCI Bare Engine 323i 325i N52N N52B25A 218HP 87k miles, WARRANTY is a six-cylinder petrol power unit designed for popular 3 Series models, valued for its smooth operation and the characteristic refinement of an inline-six engine. This is a solution for users looking for a proven, used engine with stable performance parameters and a design tailored to BMW's factory requirements. Thanks to the preservation of the original N52N engine architecture, installation in the appropriate 323i and 325i versions is predictable and technically straightforward.

Specifications and technical data

• SKU: 0415028
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0415028
• Substitutable numbers: 11000415028, 0415028, 11000415029, 0415029, N52B25AF, 11000415026, 0415026, 11000415027, 0415027, 2158696, 11002158696
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 87 000

Technical characteristics of the N52N N52B25A engine

The presented engine belongs to the family of BMW petrol units with an inline six-cylinder layout, which ensures high operational refinement and even power delivery across the entire rev range. The use of petrol fuel promotes dynamic characteristics typical of the 323i and 325i models, while maintaining predictable throttle response. The design of this unit is engineered for precise valve control and efficient use of the available displacement, which translates into flexibility in everyday driving.

The N52N family engine is a popular choice among E90, E91, and E92 series users due to the combination of the classic inline-six concept with a more modern approach to combustion management. The number of cylinders and operating characteristics ensure that the unit works well with both manual and automatic transmissions in these models, providing predictable drivetrain behavior.

Application in BMW E90, E91, E92 323i and 325i

The N52N N52B25A engine is intended for installation in the BMW 3 Series E90 (sedan), E91 (touring), and E92 (coupe) generations in 323i and 325i versions. This means the unit's design is adapted to the engine bay of these bodies, mounting points, and factory equipment used in these models. As a result, it is possible to maintain consistency with the vehicle's original configuration, which facilitates service work and subsequent maintenance.

A power unit of this type is often chosen when replacing an engine after a failure or as part of a major drivetrain overhaul. Users appreciate it for its predictable behavior, good compatibility with factory electronics, and the ability to maintain the driving character typical of BMW petrol "threes". The Engines category includes such complete power units, which serve as the heart of the vehicle's drivetrain.

Condition, mileage, and benefits of choosing a used engine

The offered engine is in used condition, meaning it comes from a previously operated vehicle, but it retains parameters that allow for further use after proper installation and service verification. The available mileage information allows for an informed assessment of the unit's wear and the planning of any preventive measures, such as changing fluids or consumables before installation in the car.

Choosing a used engine from the N52N family is a solution that significantly reduces repair costs compared to purchasing a brand-new unit, while maintaining the original BMW specification. For many users, this is a reasonable compromise between financial outlay and expected durability, especially in the case of E90, E91, and E92 models, which still enjoy great popularity on the secondary market.

Compatibility, reference numbers, and parts selection

The engine has an assigned OEM part number and a set of interchangeable numbers, which facilitates clear identification of the unit in BMW catalogs and parts selection systems. This allows for precise verification of compatibility with a specific equipment version and vehicle year, minimizing the risk of errors during purchase. The presence of multiple reference numbers is particularly important when comparing offers on the secondary market and during consultations with a service center.

For users who want to deepen their knowledge about typical problems of power units in this generation, a guide regarding engine failure rates in the E90 series will be helpful – you can find it in the article BMW E90 engine failures: check what can ruin your budget!. This will allow you to better plan the scope of service work when replacing the engine and approach operation consciously after installation.

Practical tips for installation and operation

Before installing this unit in a BMW E90, E91, or E92, it is worth planning basic service activities, such as checking for leaks, verifying accessories, and replacing consumables. This minimizes the risk of unforeseen downtime after installation and ensures calmer operation in the coming years. The six-cylinder design promotes even loading of mechanical components, which, with proper maintenance, translates into predictable durability.

If you are considering a wider range of work on the drivetrain, it is also worth familiarizing yourself with practical information about the second-hand parts market – you will find it in the material Used car parts: Myths and facts you need to know. This will allow you to better assess the economic potential of purchasing a used engine and other components accompanying an overhaul.

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 power units, long blocks, or engine blocks, check the available parts in the BMW Engines category.