Mini Cooper F55 F56 F57 Bare Engine B38A15A Petrol B38 with 19k 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 F55 F56 F57 Bare Engine B38A15A Petrol B38 with 19k miles, WARRANTY is a used, original engine block from the three-cylinder unit family, designed for Mini Cooper F55, F56, and F57 models. This is a solution for users looking for a technically matched base for an overhaul or engine replacement while maintaining factory performance characteristics. By preserving the OEM design, this bare petrol engine block serves as a solid starting point for further assembly with accessories.

Specifications and technical data

• SKU: p0003073
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 0003073
• Substitutable numbers: 11000003073, 0003073, 11002409856, 11002355451, 24098562355451, 11002455307, 2455307, 2409856, 2355451
• Fuel type: Petrol
• Number of cylinders: 3
• Category: Engines
• Mileage: 19 9000

Technical characteristics of the B38A15A block

The presented block belongs to the modern family of three-cylinder Mini petrol engines, designed for the compact F55, F56, and F57 bodies. The three-cylinder construction helps reduce unit weight and improve load distribution in the engine bay, which is important for both handling and the durability of cooperating components.

As a bare block, the item includes the main block with the cylinder assembly and serves as a base for transferring accessories from the previous unit. This solution is particularly beneficial for major mechanical damage repairs, where regenerating the old block is uneconomical or technically difficult.

Application in Mini Cooper F55, F56, F57 models

The B38A15A engine was developed specifically for the new generation of Mini Cooper in the F55 (five-door hatchback), F56 (three-door hatchback), and F57 (convertible) versions. This ensures that key mounting points, geometry, and compatibility with factory control systems and drivetrain in these models are maintained.

In practice, this means that with the correct selection of accessories and ECU configuration, the block allows for the restoration of the engine's serial performance parameters without the need for interference with the body or drivetrain construction. This is a significant advantage for post-accident repairs or after mechanical failures.

Benefits of choosing a used engine block

Choosing a used engine block from the B38A15A family is often a more cost-effective solution than a full overhaul of a damaged unit. It allows you to:

• reduce vehicle downtime,
• maintain the original design specifications of the unit,
• use a proven block as a base for further service work.

Additionally, using a block dedicated to a specific generation of Mini Cooper limits the risk of problems with fitting accessories and integration with the vehicle's electronics. This is especially important in modern designs, where the engine works with complex control systems.

Professional approach to engine replacement

To fully utilize the potential offered by this Mini petrol engine block, installation in a specialized workshop is recommended, which will ensure proper transfer of accessories, inspection of cooperating components, and engine control unit configuration. Proper preparation and installation are crucial for subsequent trouble-free operation.

If you want to better understand how engine failures can affect car maintenance costs, it is worth checking out the practical guide on our blog: BMW E90 engine failures: check what can ruin your budget!. This will allow you to approach the topic of engine replacement in your Mini with full awareness.

Expanding the Mini drivetrain – other Mini Engines

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