Mini Cooper One D F55 F56 Bare Engine B37C15A Diesel B37 49k 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.).

Mini Cooper One D F55 F56 Bare Engine B37C15A Diesel B37 49k miles, WARRANTY is a factory-spec, three-cylinder diesel engine block designed for Mini F55 and F56 series models. As a bare engine block, it serves as a solid foundation for professional repairs or a complete engine swap. By maintaining the original Mini design, it ensures full compatibility with the factory engine bay architecture and vehicle electronics.

Specifications and technical data

• SKU: 2353826
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2353826
• Substitutable numbers: 11002353826, 2353826, 11002353831, 2353831
• Fuel type: Diesel
• Number of cylinders: 3
• Category: Engines
• Mileage: 49 000

Technical specifications of the engine block

The presented engine block belongs to the Engines category and is a three-cylinder diesel unit, which translates into a compact design and reduced powertrain weight. The three-cylinder configuration combined with diesel technology provides an optimal balance between performance and fuel economy, especially in urban and suburban driving. The block's construction is optimized for seamless integration with factory Mini components, facilitating the swap process in a workshop environment.

The engine being a "bare block" means it consists of the base block with the cylinder head, ready for the transfer of existing ancillaries from the damaged unit. This solution is frequently chosen by workshops that wish to retain the vehicle's original equipment while replacing the core component of the powertrain.

Application in Mini Cooper One D F55/F56

The unit has been designed for compatibility with F55 and F56 body styles, ensuring a perfect fit with factory mounting points, the drivetrain, and the electrical system. As a result, installation in a Mini Cooper One D is predictable and easy to schedule, with no need for modifications to the vehicle's body structure.

The diesel engine in this configuration is particularly valued in daily operation for its fuel efficiency and flexibility in the low-to-mid RPM range. The three-cylinder architecture promotes quick engine warm-up and stable operation under typical city conditions, which is important for frequent starts and short trips.

Condition, mileage, and benefits of choosing a used engine block

The offered engine block is a used part sourced from dismantling, which allows for a significant reduction in repair costs compared to purchasing a new unit. The declared mileage of the engine is relatively low for a diesel unit, which in practice means preserved operational potential and a reserve of durability, provided it is properly maintained after installation.

Choosing a used Mini engine block is particularly advantageous in cases of severe mechanical failure (e.g., block or head damage) where repairing the existing unit would be uneconomical. Using a complete block allows for reduced vehicle downtime and simplifies the repair process – the workshop focuses on transferring the ancillaries and properly configuring the engine management system.

Selection by part numbers and technical support

To ensure full compatibility with a specific Mini Cooper One D, it is recommended to select the engine block based on the VIN and OEM/interchangeable part numbers. This approach minimizes the risk of structural differences between model years or trim levels and facilitates integration with the existing engine control system.

For users and workshops looking to deepen their knowledge on the safe selection of used powertrains, verification procedures, and the cost-effectiveness of such an investment, we have prepared an expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection by VIN/OEM, common myths regarding used engines, and cost ratios compared to remanufacturing or purchasing new components.

Comprehensive Mini powertrain modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mini and need other components from the same group, such as additional engine blocks, complete units, or other engine configurations, check the available parts in the Mini Engines category.

When making a repair decision, it is also worth considering when a used part is a better choice versus a remanufactured one. A guide comparing both service strategies may be helpful in this context: Remanufactured or used original – which part to choose for repairs?. This makes it easier to select a solution tailored to your budget, expected mileage after repair, and the specific usage patterns of your Mini.