BMW E90 E91 E92 LCI Bare Engine 323i 325i N52N N52B25A 218HP New Timing WARRANTY

Description

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 New Timing WARRANTY is a used, complete short block petrol engine prepared for demanding owners of the 3 Series LCI (facelift) models. This is an ideal solution for those looking to restore their vehicle’s performance by replacing the block and cylinder head while retaining the ancillaries from their own vehicle. Thanks to the installation of a new timing chain kit, the engine serves as an attractive base for further assembly and long-term operation.

Specifications and technical data

• SKU: 0415028-2
• 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: 59 000

Technical characteristics of the N52N N52B25A short block

The offered short block belongs to the family of modern BMW inline-six petrol engines, designed for E90, E91, and E92 LCI models in 323i and 325i versions. The six-cylinder design ensures high refinement, smooth power delivery, and the characteristic BMW engine sound. The engine is designed for petrol fuel, which facilitates integration with the factory fuel system and engine management in these models.

A “bare engine” (short block) means you receive the core component of the powertrain – the block with the cylinder head – prepared for the transfer of ancillaries from your car. This configuration allows for precise matching with your existing electrical, intake, and exhaust systems, while also reducing costs compared to purchasing a complete engine.

New timing chain – predictable operation and reduced risk of failure

A significant advantage of this short block is the new timing chain kit, which is crucial for the reliability of N52N units. Replacing timing components during the engine preparation stage minimizes the risk of costly future failures and ensures stable operation across the entire rev range. For the user, this means more peace of mind and better service predictability.

Combining the new timing chain with the six-cylinder construction translates into smooth power delivery, good throttle response, and comfortable driving both in the city and on the highway. This solution is particularly beneficial for engine swaps or major overhauls of the 3 Series powertrain.

Application in BMW E90, E91, E92 LCI 323i / 325i

The engine has been prepared for use in BMW 3 Series LCI (facelift) models, including sedan, touring, and coupe body styles. As such, it provides a practical base for:

• a comprehensive replacement of a worn-out engine in a 323i or 325i,
• repairs following a major mechanical engine failure,
• modernization projects where you wish to retain the original engine type.

The offered short block falls under the Engines category, meaning it is a central component of the powertrain and requires professional installation and proper diagnostics after fitting.

Condition, mileage, and benefits of installation

The unit is used but has documented mileage, which allows for a better assessment of its service history. Combined with the new timing chain, it provides a solid foundation for further use in the vehicle without the need for immediate, costly major overhauls. This set is particularly advantageous for users who want to combine a reasonable budget with a technically sound solution.

In practice, installing a bare short block allows for:

• retaining the original ancillaries and wiring harnesses from your car,
• better control over the engine configuration (ECU, ancillaries, emission standards),
• reducing vehicle downtime at the workshop thanks to the pre-prepared block and cylinder head.

Selection and additional technical information

To correctly match this engine to your BMW, it is worth verifying the engine code and compatibility with your body style and model year. The product has an assigned OEM part number and interchangeable numbers, which facilitates clear identification in service catalogs and parts selection systems. If in doubt, we recommend consulting a mechanic or a BMW specialist who can confirm compatibility with your specific vehicle.

If you are planning a comprehensive repair or upgrade of your BMW’s engine bay and need other components from the same group, such as blocks, heads, or complete power units, check out the available parts in the BMW Engines category.

Expert support and knowledge about BMW E90 engines

Before deciding to replace your engine, it is worth learning about the typical problems and weak points of the various engines used in the 3 Series. A detailed discussion of problematic designs, potential costs, and practical tips can be found in the article: Troublesome BMW E90 engines: check what can ruin your budget!. This is a useful addition to your knowledge when planning a major overhaul or swap.