Mini Cooper F55 F56 F57 Bare Engine B38A15A Petrol B38 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.).

Mini Cooper F55 F56 F57 Bare Engine B38A15A Petrol B38 New Timing WARRANTY is a complete, bare engine block designed for F-generation Mini Cooper models with petrol engines. The product belongs to the Engines category and serves as a solid foundation for professional repair or replacement of a damaged engine in your vehicle, while maintaining the correct design parameters.

Specifications and technical data

• SKU: p0003073-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: p0003073
• Substitutable numbers: 0003073, 11000003073, 2409856, 11002409856, 2355451, 11002355451
• Fuel type: Petrol
• Number of cylinders: 3
• Category: Engines
• Engine code: B38A15A
• Mileage: 20 000

Technical characteristics of the B38A15A engine block

The presented engine block is based on the B38A15A code, which is a modern, three-cylinder petrol unit used in the Mini Cooper F55, F56, and F57. The three-cylinder design provides an optimal compromise between weight, refinement, and energy efficiency, which translates into dynamic acceleration and reasonable fuel consumption.

As a bare engine block, this component forms the foundation of the entire powertrain – the block, cylinder head, and basic mechanics are prepared for further assembly with accessories compatible with the specific Mini model. Thanks to this solution, the mechanic has full control over the selection of accessories and can transfer proven components from the previous unit or use new, compatible parts.

New timing – predictable operation and lower risk of failure

A significant advantage of this block is the new timing, which in practice means reducing the risk of typical faults associated with a worn-out timing system. A freshly installed timing system ensures stable valve timing, correct synchronization of cylinder operation, and predictable behavior of the unit across the entire rev range.

For the user, this means greater operational peace of mind, and for the workshop – easier service planning and fewer potential complaints related to noise, uneven operation, or starting problems. Combined with the low mileage of the unit, the new timing is a clear advantage of this specific block.

Application in Mini Cooper F55, F56, F57

The B38A15A engine is used in popular Mini Cooper models: F55 (5-door hatchback), F56 (3-door hatchback), and F57 (convertible). This makes the block an attractive proposition both for workshops specializing in the Mini brand and for individual users who want to restore the full performance of their car after a major engine failure.

The three-cylinder petrol unit fits well with the character of these models – it provides a lively throttle response while keeping the vehicle's weight at a reasonable level. Replacing it with such a block is particularly beneficial in situations where repairing the existing engine would be uneconomical or technically difficult.

Condition, mileage, and benefits of choosing a used block

The offered block comes from a used unit, but with very low mileage, which in practice translates into limited wear of internal components. For the buyer, this means the possibility of obtaining a favorable price-to-remaining-service-life ratio.

Choosing this solution is particularly cost-effective in the case of post-accident repairs or mechanical failures, where the priority is to restore the vehicle to full working order while maintaining reasonable costs. A used block with new timing allows for shorter repair times and simplifies the assembly process compared to a full rebuild of an old unit.

Technical support and additional information

Before purchasing, it is worth verifying the engine's compatibility with the specific equipment version and vehicle year using data such as the engine code or reference numbers. This will ensure that the installation goes more smoothly and the unit will work correctly with the electronics and accessories in your Mini.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as blocks, cylinder heads, or complete power units, check the available parts in the Mini Engines category.

For a better understanding of typical engine problems in modern premium cars and potential repair costs, it is worth reading the blog article Faulty BMW E90 engines: check what can ruin your budget!, which shows how proper engine selection and preventive maintenance affect total operating costs.