BMW E90 E91 E92 335d Bare Engine Diesel M57N2 306D5 286HP 62k 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 E90 E91 E92 335d Bare Engine Diesel M57N2 306D5 286HP 62k miles, WARRANTY is a powerful, six-cylinder diesel unit from the M57N2 family, designed for the 3 Series E90, E91, and E92 generations. The engine in this offer comes from the Engines category and represents an attractive solution for users looking for an efficient, proven diesel design with high torque potential. It is an ideal choice for drivers who want to restore full drivetrain performance or build a dynamic powertrain based on a well-known, highly regarded BMW unit.

Specifications and technical data

• SKU: 0441344
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0441344
• Substitutable numbers: 11000441344, 0441344, 11000415726, 0415726, 11000441345, 0441345, 11000415727, 0415727, 11002167624, 2167624, 11002167626, 2167626
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Mileage: 62 000

Technical characteristics of the M57N2 306D5 unit

The presented engine belongs to the M57N2 family, a more modern generation of BMW's inline diesel units. The design, based on six cylinders in an inline configuration, ensures high refinement, good mechanical balance, and predictable behavior under load. The use of diesel fuel allows for a favorable compromise between performance and fuel consumption, which is particularly important in high-power mid-size cars.

The engine was designed to operate in demanding road conditions, with an emphasis on thermal stability and component durability. The M57N2 306D5 unit is a popular choice among users who expect flexible acceleration across a wide rev range and seamless compatibility with both automatic and manual transmissions in the E90/E91/E92 platform.

Application in BMW E90, E91, E92 335d

The engine is intended for installation in BMW 3 Series E90, E91, and E92 models in the 335d version. This ensures full integration with the factory engine bay architecture, cooling system, ancillaries, and control electronics designed for this powertrain configuration. As a result, the unit is suitable both as a replacement for a damaged engine and as a base for modernization projects within the same platform.

The mileage of the unit is limited, which, in the case of diesel engines of this generation, is significant for further operation and service potential. For many users, this is a compelling argument for choosing a used, yet still promising, powertrain that can be tailored to individual requirements through proper initial servicing after installation.

Benefits of choosing a used BMW engine from the Engines category

Purchasing a used engine from the M57N2 family allows for significant repair cost savings compared to a brand-new unit, while maintaining a high level of functionality. A used engine of this class is a good choice for workshops specializing in the BMW brand and for conscious users who plan comprehensive maintenance after installation (fluid and filter changes, inspection of ancillaries).

The main advantages of this solution include:

• the ability to quickly restore vehicle performance after a failure of the previous unit,
• maintaining the original driving characteristics typical of the 335d,
• availability of service knowledge and spare parts for this engine series,
• an attractive ratio of purchase cost to performance and further operational potential.

Thanks to this, the BMW E90 E91 E92 335d Bare Engine Diesel M57N2 306D5 286HP 62k miles, WARRANTY is an interesting option for both private users and professional workshops dealing with repairs and upgrades of BMW drivetrains.

Part number selection and compatibility

The unit has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification and matching to a specific vehicle configuration. In practice, this means it is possible to verify compatibility using factory numbers, as well as vehicle data such as model, engine version, and production year. In case of doubt, it is worth consulting a mechanic or specialist, using the part numbers and information about the donor vehicle.

For users who want to deepen their knowledge about the cost-effectiveness of purchasing used powertrains, an expert guide describing facts and myths related to such purchases may be helpful – you can find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Operation, reliability, and practical tips

Diesel engines used in the BMW 3 Series E90 are known for their good performance, but – like any advanced design – they require conscious maintenance. In the case of 335d units, it is particularly important to use high-quality oil, change filters regularly, and inspect ancillaries such as the turbocharging system or the fuel injection system. Before installing a used engine, it is recommended to perform basic preparatory tasks to minimize the risk of unforeseen downtime after installation.

If you want to learn more about the specifics of problematic units in the E90 series, typical faults, and potential costs of neglect, it is worth reading the guide: Problematic BMW E90 engines: check what can ruin your budget!. This is a practical supplement to your knowledge before deciding to replace or purchase a used 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 long blocks, check the available parts in the BMW Engines category.