BMW E90 E91 Complete Engine 325i Petrol N52 218HP N52B25A 72k 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 E90 E91 Complete Engine 325i Petrol N52 218HP N52B25A 72k miles, WARRANTY is an original powertrain unit from the N52 family, designed for BMW mid-size premium models. The inline six-cylinder engine provides the brand's signature refinement and dynamic throttle response while maintaining high efficiency. This is the solution for users looking for a proven petrol engine block for professional repair or replacement.

Specifications and technical data

• SKU: 0415402-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0415402
• Substitutable numbers: 11000415402, 0415402, 11000398738, 0398738, 11000415403, 0415403, 11000398739, 0398739, N52B25
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N52B25A engine

The presented engine belongs to the Engines category and represents a modern BMW petrol design with six cylinders in an inline configuration. This type of unit is valued for its smooth power delivery, stable operation across the entire rev range, and predictable behavior under load. The use of petrol fuel promotes smooth revving, which translates into a pleasant, linear acceleration characteristic.

The 218 HP N52B25A engine is often chosen as a replacement in cars used both in city traffic and on longer routes. The number of cylinders and the specifics of this unit ensure it works well with factory BMW drivetrain systems, maintaining the vehicle's original performance parameters.

Application in BMW E60, E90, E91 models

The unit was designed for installation in popular BMW 3 and 5 series models, such as the 325i and 525i. As a result, it is a practical solution when replacing a damaged engine in vehicles of this generation. The block design is compatible with factory mounting points and the auxiliary equipment layout intended for N52 engines in E60, E90, and E91 bodies.

The six-cylinder petrol engine provides the combination of flexibility and refinement characteristic of BMW, which is particularly noticeable at higher engine speeds. For users who value precise handling and predictable throttle response, this powertrain configuration remains an attractive choice.

Condition, mileage, and operational potential

The offered unit is in Used condition, which means it has been previously operated but is still suitable for further use after proper installation and basic service verification. The declared engine mileage is relatively low for this class of unit, which increases its potential for further operation in the user's car.

Before installation, standard preparatory steps are recommended, such as checking for leaks, verifying the lubrication system, and replacing consumables in accordance with BMW service procedures. This approach allows you to fully utilize the capabilities of this unit and reduce the risk of unplanned vehicle downtime.

Benefits of choosing an original BMW engine

Choosing an original N52 family engine for a BMW E60, E90, or E91 primarily ensures the preservation of the factory powertrain characteristics. The unit was designed for a specific vehicle architecture, ensuring proper fitment with the cooling system, engine management, and other components. This translates into stable operating parameters and predictable car behavior in daily use.

An additional advantage is the ability to utilize existing service infrastructure – mechanics familiar with the N52 design have the appropriate diagnostic and repair procedures, which facilitates installation and subsequent maintenance. For the user, this means more predictable service costs and easier access to technical knowledge.

Technical support and additional materials

Before purchasing a used engine for a BMW 3 series, it is worth familiarizing yourself with the typical issues of units installed in this model. A practical discussion of the most common problems can be found in the article: Troublesome BMW E90 engines: check what could ruin your budget!. This is a helpful source of knowledge when planning a powertrain replacement and assessing the cost-effectiveness of the investment.

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 blocks, cylinder heads, or complete engines, check the available parts in the BMW Engines category.