BMW 3 Series E90 E91 E92 325d Bare Engine M57N2 306D3 with 75k 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 3 Series E90 E91 E92 325d Bare Engine M57N2 306D3 with 75k miles WARRANTY is a used, six-cylinder diesel engine from the M57N2 family, designed for installation in the BMW 3 Series E9x generation. This unit is valued for its stable performance, high level of refinement, and durability in both daily and highway driving conditions. By maintaining factory specifications, it serves as a solid base for replacing a damaged engine in your BMW 325d.

Specifications and technical data

• SKU: 0441356
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0441356
• Substitutable numbers: 11000441356, 0441356, 11000415342, 0415342
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the M57N2 unit

The presented engine belongs to the M57N2 family, a more modern generation of BMW inline-six diesel engines. The six-cylinder layout ensures smooth torque delivery and a calm, predictable throttle response. The use of a high-pressure diesel fuel system provides an excellent compromise between dynamics and fuel consumption, which is particularly important in premium mid-size vehicles.

The unit was designed for use in BMW 3 Series E90, E91, E92, and E93 models in the 325d version, which translates into a perfect fit for the factory installation, cooling system, and auxiliary components. The inline 6-cylinder configuration promotes low vibration and high refinement, which is noticeable both in city traffic and at higher speeds.

Purpose and application in the BMW 3 Series

The engine was developed specifically for the 325d version in sedan (E90), touring (E91), coupe (E92), and convertible (E93) body styles. This ensures compatibility with factory mounting points, the drivetrain, and electronic control systems. In practice, this means that with proper selection based on the VIN or OEM number, it is possible to restore the vehicle's original performance parameters without the need for structural modifications.

This type of diesel unit performs well in cars used for long-distance travel, where stable performance and predictable behavior under load are essential. The M57N2 family engine is a popular choice for users who value durability and the possibility of economical driving while maintaining an adequate power reserve.

Condition, mileage, and benefits of purchasing a used engine

The offered unit comes from the secondary market, which allows for a significant reduction in repair costs compared to purchasing a new component. The declared mileage is typical for engines of this generation and allows for further operation provided that proper service procedures are followed. A used BMW 325d engine can be a rational choice in the event of a major failure of your current unit, especially when you want to maintain the original vehicle specification.

Before installation, it is recommended to perform standard preparatory tasks, such as replacing consumables and checking auxiliary components, which further increases safety and the predictability of future operation. Purchasing a complete used engine unit allows you to reduce vehicle downtime and limit the scope of complex workshop repairs.

Selection by VIN/OEM and technical support

To correctly select an engine for a specific BMW 3 Series vehicle, it is crucial to verify compatibility using the VIN and OEM/interchangeable part numbers. This minimizes the risk of incompatibility with the wiring harness, ECU, or auxiliary equipment. If in doubt, it is worth using the procedures described in our expert guide on the secondary market. A detailed discussion of facts and myths related to purchasing used engines can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which covers, among other things, selection by VIN/OEM and repair cost ratios.

BMW engines – expansion and modernization of the powertrain

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 units, check the available parts in the BMW Engines category.

For diesel units, it is also important to monitor the condition of the fuel injection system. Symptoms of improper injector operation, their diagnostics, and the possible consequences of neglect are described in the guide Diesel injector faults – how to recognize them and the risks of neglect, which may be helpful when planning the further operation of your M57N2 engine.