BMW 5 Series E60 E61 LCI 525d Complete Engine M57N2 306D3 197HP 99k 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 5 Series E60 E61 LCI 525d Complete Engine M57N2 306D3 197HP 99k m WARRANTY is a factory-spec diesel unit designed for the facelifted 5 Series models, offering a proven inline configuration and the refined performance characteristic of this generation. This is the ideal solution for users looking to restore full powertrain efficiency while maintaining original BMW specifications and seamless integration with the vehicle's factory electronics.

Specifications and technical data

• SKU: p0441303-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0441303
• Substitutable numbers: 11000441303, 0441303, 11000441304, 0441304, 11000428397, 0428397, 11000428398, 0428398
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the M57N2 525d unit

The offered engine belongs to the Engines category and is designed for the BMW 5 Series E60/E61 LCI in the 525d version with the M57N2 306D3 unit. The inline six-cylinder layout and diesel fuel system provide the flexibility, stable operation across the entire rev range, and excellent compatibility with factory transmissions and control systems typical of this design.

The unit comes from a vehicle with relatively low mileage, which, in the case of BMW diesel engines of this generation, is significant for the long-term durability of mechanical components and accessories. Thanks to the engine's completeness, adaptation to the donor vehicle is simplified, and the risk of installation issues is minimized.

Purpose and compatibility

The engine is dedicated to the facelifted BMW 5 Series E60 and E61 in the 525d version, which originally featured the 197 HP M57N2 306D3 unit. The inline six-cylinder design ensures the refinement and predictable performance under load characteristic of this series, which is important for both daily commuting and long-distance travel.

By maintaining the original architecture of the fuel injection and control systems, the engine serves as a suitable base for a direct replacement of a damaged unit, preserving factory performance parameters and compatibility with the vehicle's electronics. This solution is particularly beneficial for workshops specializing in BMW vehicles that require a predictable installation process.

Benefits of choosing a used BMW engine

Choosing a used, complete BMW 525d M57N2 engine allows for a significant reduction in repair costs compared to rebuilding or purchasing a new unit, while still adhering to the manufacturer's original specifications. For many users, this is a reasonable compromise between budget and durability, especially in the case of proven BMW diesel designs.

The engine comes from a BMW vehicle, which ensures that factory design solutions and performance parameters are maintained. This makes it easier to predict the unit's behavior after installation, and diagnostics and maintenance are based on well-known workshop procedures.

Condition, verification, and warranty

The offered unit is a used component, which in practice means it has already seen real-world operation in a vehicle but still retains the parameters necessary for continued use after proper installation and servicing. A key advantage is the start-up warranty, which provides additional protection upon the first start after installation and allows you to verify the engine's performance in the target vehicle.

Before installation, standard preparatory steps are recommended, such as replacing consumables, checking the cooling and lubrication systems, and verifying accessories, which further extends the potential service life of the unit in the new vehicle.

Selection by numbers and technical support

The engine has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise matching to a specific version of the BMW 5 Series E60/E61 LCI 525d. When selecting, it is worth using data from the vehicle documentation or the VIN to avoid errors resulting from differences between model years and equipment variants.

If you want to better understand how to safely choose used power units and what to look for when verifying technical condition, check out our guide Why it is worth buying used transmissions and engines – facts instead of myths, which discusses selection procedures based on VIN/OEM and common mistakes made during purchase.

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 long blocks, check out the available parts in the BMW Engines category.