BMW 3 Series E90 E91 E92 E93 325d Complete Engine M57N2 306D3 75k m 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 3 Series E90 E91 E92 E93 325d Complete Engine M57N2 306D3 75k m WARRANTY is a complete powertrain from the M57N2 family, designed for BMW 3 Series diesel models. This unit belongs to the highly regarded generation of inline-six diesels, known for their refinement, stable performance, and predictable behavior in daily operation. It is an excellent choice for users looking for a proven diesel engine with a robust construction and reasonable mileage.

Specifications and technical data

• SKU: p0441356-1
• 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 325d unit

The presented engine belongs to the Engines category and represents the family of BMW inline diesel units. The six-cylinder inline design ensures smooth operation, good flexibility, and stable power delivery across the entire rev range. The use of diesel fuel allows for a favorable compromise between dynamics and fuel consumption, which is particularly important in premium mid-size cars such as the BMW 3 Series.

The 325d M57N2 197 HP engine is a popular choice for both routine repairs and modernization projects, where compatibility with the factory BMW installation and predictable behavior in conjunction with the vehicle's original electronics are key. The inline-six provides the characteristic BMW refinement and an adequate torque reserve, which translates into driving comfort both on the highway and in the city.

Application in BMW E90, E91, E92, E93 models

The engine was designed for the E9x platform, i.e., the BMW 3 Series generation covering sedan (E90), touring (E91), coupe (E92), and convertible (E93) body styles. As a result, this unit is a natural choice when replacing a damaged engine in these models, without the need for extensive mechanical modifications.

In practice, this means that with the correct selection of accessories and ECU configuration, it is possible to maintain factory performance parameters, as well as full integration with the vehicle's onboard systems. This is important both from the end-user's perspective and for the workshop responsible for the installation and commissioning of the unit.

Benefits of choosing a used BMW 325d engine

A used engine from the M57N2 family is a solution that allows for significant repair cost savings compared to a full rebuild of an existing unit. For this generation of BMW diesels, it is often more cost-effective to use a complete engine with documented origin than to perform a step-by-step regeneration of multiple components. An additional advantage is the relatively low mileage, which increases the potential for further operation with proper maintenance.

If you want to better understand how to safely choose used powertrains and what the real cost differences are compared to new parts, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find a discussion of selection procedures based on OEM numbers and practical cost calculation examples.

For those preparing to install such a unit in their workshop or planning to commission the service to a mechanic, our practical guide will also be helpful: Buying a used engine: 5 things you must check before installation. The article describes key verification elements step-by-step before installation, which helps minimize the risk of incorrect selection or assembly errors.

Professional selection and vehicle integration

The BMW 325d M57N2 197 HP engine is particularly recommended in situations where you want to maintain the original driving characteristics and full cooperation with factory vehicle systems. Because the unit comes from the same design family, it is possible to achieve consistency with the drivetrain, electronics, and accessories, which facilitates the adaptation process in the car.

When selecting and installing, it is worth paying attention to compatibility with the existing installation, proper preparation of the fuel system, and correct procedures for bleeding and the first start-up. Careful installation and regular maintenance after replacement will allow you to fully utilize the potential of this unit and ensure stable operation in the long term.

Expanding repairs within the BMW drivetrain

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 powertrains, check out the available parts in the BMW Engines category.