BMW E39 520i Petrol M52 206S3 150HP Bare Engine with 119k 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 E39 520i Petrol M52 206S3 150HP Bare Engine with 119k miles, WARRANTY is a used, original power unit from the M52 family, designed for BMW 5 Series E39 520i models. This is a solution for users looking for a proven engine block for professional repair or engine replacement, while maintaining factory performance characteristics and compatibility with existing accessories.

Specifications and technical data

• SKU: 1438681
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1438681
• Substitutable numbers: 11001438681, 1438681, 11001427827 11001438682 11001427828, 1427827 1438682 1427828
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the M52 150HP engine

The offered unit is an inline six-cylinder petrol engine used in the BMW E39 520i. The R6 design ensures smooth, refined operation and good flexibility across the entire rev range, which translates into comfortable and predictable driving characteristics. The unit is sold as a bare engine, which allows you to use the existing accessories from your car and precisely match the configuration to your specific equipment version.

The engine runs on petrol, which is beneficial for users who prefer a classic, naturally aspirated unit with linear power delivery. The BMW inline-six of this generation is highly regarded by mechanics for its predictable maintenance and good availability of spare parts.

Mileage, condition and practical application

The unit has documented mileage, which makes it easier to assess its service history and plan for future use. As a used engine block, it is intended primarily for:

• comprehensive replacement of a damaged engine in a BMW E39 520i,
• professional repairs after accidents or mechanical failures,
• restoration projects where maintaining the original engine specification is important.

The bare engine format allows the mechanic to accurately transfer accessories, wiring harnesses, and control systems from your car, which minimizes the risk of compatibility issues with electronics and installations.

Why choose a used BMW engine with a warranty

Purchasing a used BMW engine with a warranty is a reasonable compromise between costs and operational safety. Compared to rebuilding a severely damaged unit or buying a new engine, a used engine block with a warranty allows you to significantly reduce expenses while maintaining control over technical risks. For workshops and individual customers, this means a predictable repair budget and shorter vehicle downtime.

If you want to better understand how to safely select used power units and what to look for when verifying OEM numbers and installation procedures, check out our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical addition to your knowledge when planning an engine replacement in your BMW.

Selection, compatibility and installation support

The engine belongs to the Engines category, which makes it easy to identify and select based on the model designation, fuel type, and cylinder configuration. When matching it to a specific BMW E39 520i, it is crucial to check compatibility using OEM numbers and interchangeable part numbers – this allows the workshop to verify whether the block will work with the existing accessories, engine control unit, and electrical installation.

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

Preparing the car for further operation

Replacing the power unit is a good time to comprehensively assess the vehicle's condition – especially before intensive use, e.g., during the winter season. It is worth verifying other used components that affect reliability and safety. A practical guide with checklists and examples may be helpful: Winter essentials: which used car parts are worth checking and replacing before the frost?, which will make it easier to plan additional service work during the engine installation.