BMW E90 E91 E92 E93 330d Bare Engine M57N2 306D3 New Timing New Bearing 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 E93 330d Bare Engine M57N2 306D3 New Timing New Bearing WARRANTY is a used, complete bare engine from the M57N2 diesel family, designed for BMW 3 Series 330d models. Thanks to the installation of a new timing chain kit and new bearings, it serves as an attractive base for professional repair or replacement of the powertrain in vehicles equipped with advanced BMW diesel engines. This is a solution for users who expect a technically refined bare engine, prepared for the installation of peripheral components.

Specifications and technical data

• SKU: 0441352-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0441352
• Substitutable numbers: 11000441352, 0441352, 11000413758, 0413758, 11000406558, 0406558, 11000441353, 0441353, 11000406559, 0406559, 11000413759, 0413759
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 306D3
• Mileage: 59 000

Technical characteristics of the M57N2 bare engine

The offered bare engine belongs to the Engines category and represents a modern BMW diesel design with six cylinders in an inline configuration. The engine code indicates the M57N2 generation, valued for its stable operation, high refinement, and significant torque potential, which is particularly important in 330d models. The use of diesel fuel allows for economical operation while maintaining appropriate dynamics, which is crucial in premium mid-size vehicles.

The engine in its bare form is intended for further configuration with the accessories existing in the vehicle, which facilitates matching it to a specific equipment version and emission standard. Thanks to this solution, it is possible to effectively restore a functional powertrain while maintaining compatibility with the factory BMW architecture.

New timing and new bearings – operational benefits

A key advantage of this bare engine is the new timing chain kit, which significantly reduces the risk of failure associated with worn chains, sprockets, or guides. In the case of M57N2 units, the proper condition of the timing system has a direct impact on timing precision, engine refinement, and the safety of pistons and valves. The use of new components in this area translates into smoother engine operation and a greater safety margin during further use.

Additionally, new bearings have been installed in the engine, which is significant from the perspective of the durability of the crankshaft-piston system. Refreshing this area reduces the risk of seizure, improves oil pressure stability, and allows for better utilization of the unit's potential during continued driving. In practice, this means more predictable engine behavior and greater resistance to loads typical of powerful BMW diesels.

Mileage and application in the BMW 3 Series

The offered bare engine comes from a unit with verified mileage, which, combined with the replaced timing and bearings, makes it an attractive base for installation in BMW 3 Series E90, E91, and E92 generations in the 330d version. This type of configuration is particularly interesting for users who want to restore full powertrain efficiency without investing in a completely new engine, while maintaining high performance parameters.

The inline six-cylinder layout provides the flexibility and smoothness of power delivery characteristic of BMW, and the M57N2 design is well known to workshops specializing in the brand, which facilitates service and potential further modifications. Thanks to this, the bare engine will prove effective both in standard repairs and in projects focused on increased powertrain durability.

Professional selection and OEM compliance

The engine as a bare unit is intended for installation in BMW vehicles where compliance with the unit designation and factory parameters is required. When selecting, it is worth using the OEM number and interchangeable numbers visible in the technical specification to ensure that the bare engine will be suitable for the specific body version and model year. This approach minimizes the risk of installation problems and ensures proper cooperation with existing electronics and accessories.

For users and workshops that want to deepen their knowledge about purchasing used powertrains, selection procedures by VIN/OEM, and the real cost differences between remanufacturing and replacement, an expert guide has been prepared: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical supplement to the information when planning a major powertrain overhaul.

Application in projects and comparison with other BMW diesels

The M57N2 bare engine is often chosen as a base for projects where a combination of durability and performance potential is important. Compared to other BMW diesel units, such as the N47, it differs in terms of architecture and operating characteristics, which is significant when choosing an engine for a specific application. If you are considering which BMW diesel will be best for your project or repair, it is worth reading the generation comparison in the article: BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.

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