BMW E90 E91 E92 E93 325d Bare Engine M57N2 306D3 197HP with New Timing 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 325d Bare Engine M57N2 306D3 197HP with New Timing WARRANTY is a complete, used powertrain from the M57N2 family, designed for 3 Series diesel models. This unit belongs to the highly regarded generation of BMW inline-six diesels, known for its robust construction, high refinement, and significant longevity potential. Thanks to the installation of a new timing chain kit, the engine serves as an attractive base for professional repairs or unit replacement in a daily-driven vehicle.

Specifications and technical data

• SKU: p0441356-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0441356
• Substitutable numbers: 11000441356, 0441356, 11000441357, 0441357, 11000415342, 0415342, 11000415343, 0415343
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Mileage: 75 000

Technical characteristics of the M57N2 306D3 unit

The offered engine falls into the Engines category and is intended for BMW vehicles from the E90/E91 family in the 325d version. The design is based on an inline cylinder layout, which promotes good operational balance and reduced vibration. The use of diesel fuel allows for an advantageous combination of flexibility, low fuel consumption, and component durability.

The inline cylinder layout, combined with modern auxiliary equipment, ensures that the unit works well with both manual and automatic transmissions, maintaining stable operating parameters across a wide range of loads. The M57N2 306D3 engine is a popular choice for post-accident repairs, overhauls, and replacing worn-out units in fleet vehicles.

New timing chain – a key element of durability

The most important advantage of this offer is the new timing chain kit, which significantly increases operational safety. Replacing the timing components eliminates one of the main risks associated with used diesel engines – wear of the chain, tensioners, and guides. As a result, the user gains a greater margin of safety for further operation of the unit and reduces the need for costly service interventions shortly after installation.

The new timing chain also translates into more stable valve opening phases, which promotes smooth engine operation, improved idle refinement, and predictable throttle response. This is particularly important in vehicles used intensively – both in city traffic and on long-distance routes.

Condition, mileage, and practical application

The engine is a used component, which allows for a significant reduction in repair costs compared to a factory-new unit, while maintaining a favorable price-to-potential ratio. The declared mileage is typical for modern BMW diesels and, with proper installation and regular maintenance, allows for further, predictable operation in the vehicle.

The unit will work well as a replacement in the event of mechanical damage to the existing engine (seizure, damage after overheating, crankshaft system failures) or as a component to restore full vehicle functionality after a collision. Thanks to its compatibility with the E90/E91 325d M57N2 306D3 platform, the engine is a natural choice for repairs performed in accordance with manufacturer technology.

VIN/OEM matching and technical support

When purchasing a used engine, it is crucial to correctly match the unit to the specific equipment version and vehicle year. For this purpose, it is worth using the VIN number as well as OEM and interchangeable part numbers, which allow for verifying compatibility with the electrical system, auxiliary equipment, and engine control unit. This minimizes the risk of problems during installation and startup of the unit after replacement.

If you want to deepen your knowledge about the cost-effectiveness of purchasing used powertrains and the procedures for matching by VIN and OEM numbers, check out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, the differences between individual variants, common market myths, and cost proportions compared to new parts.

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

For users who want to further optimize service costs, the guide on repair economics and the use of used OEM components, available at the link Rising repair costs and the boom in used parts – how to save on car service?, may also be useful. It allows for better planning of the repair budget, taking into account the purchase of a used engine as one of the key elements of the entire process.

Summary

BMW E90 E91 E92 E93 325d Bare Engine M57N2 306D3 197HP with New Timing WARRANTY is a proposal for drivers and workshops looking for a technically advanced, proven diesel unit at a reasonable price. The combination of the M57N2 design with a new timing chain kit and the ability to verify compatibility by VIN and OEM numbers makes this a particularly attractive solution for professional repairs and engine replacements in the BMW 3 Series.