BMW F45 225i 225iX X1 F48 25iX Petrol B48 Complete Engine B48A20B 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 F45 225i 225iX X1 F48 25iX Petrol B48 Complete Engine B48A20B WARRANTY is a complete powertrain from the B48 family, designed for modern BMW models with petrol engines. This unit belongs to the popular Engines category and serves as a solid foundation for professional repair or replacement of a damaged engine in F45 series and X1 F48 vehicles. Thanks to its factory design, the engine maintains performance characteristics consistent with the manufacturer's specifications, which facilitates integration with the vehicle's electronics.

Specifications and technical data

• SKU: 2459230-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2459230
• Substitutable numbers: 2459230, 11002459230, 2364440, 11002364440, 2409865, 11002409865, 11002459231, 2459231
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: B48A20B
• Mileage: 59 000

Technical characteristics of the B48A20B unit

The presented engine belongs to the modern family of BMW petrol units, designed for efficient power utilization and reasonable fuel consumption. The used engine code B48A20B signifies a four-cylinder, two-liter construction, prepared for cooperation with advanced control systems and modern transmissions. The four-cylinder configuration promotes balanced operation, and the engine architecture is well-known in workshops specializing in the BMW brand, which facilitates maintenance and diagnostics.

This type of petrol unit is a popular choice for replacements in BMW F45 225i, 225iX, and X1 F48 25iX models because it allows for maintaining factory performance and driving characteristics. The complete engine is a cohesive assembly that, after proper installation and adaptation, can be put into operation without the need for major structural modifications in the engine bay.

Application in BMW F45 225i / 225iX and X1 F48 25iX models

The engine is designed to work with the platform used in the BMW F45 series and the X1 F48 model in 225i, 225iX, and 25iX versions. This means that its geometry, mounting points, and accessory layout are matched to the design solutions used in these cars. This makes it possible to maintain:

• the correct position of the unit relative to the body and drivetrain,
• compatibility with factory wiring harnesses and control units,
• consistency with the cooling and exhaust systems intended for this generation of engines.

Such a fit reduces the risk of installation problems and shortens the time required for replacing the unit in a specialized workshop. The petrol engine from this series works well with both front-wheel drive and xDrive systems, which is important for the 225iX and 25iX versions.

Operating parameters and benefits of choosing a used engine

The unit belongs to the group of modern, four-cylinder BMW petrol engines that combine dynamic characteristics with a level of refinement suitable for daily use. The use of four cylinders in an inline layout promotes smooth power delivery and predictable response to load. The engine's mileage is typical for units used in cars driven under normal road conditions, which allows for further operation after performing standard service procedures recommended when installing a used engine.

Choosing a complete, used engine from this series is often a cost-effective solution compared to a full rebuild of a damaged unit. It allows for restoring the vehicle's functionality while maintaining the original technical specifications, without the need for structural changes. For many BMW users, this is a reasonable compromise between financial expenditure and expected durability and functionality.

Selection by VIN and part numbers, and technical support

When selecting an engine for a specific BMW vehicle, it is crucial to verify the compatibility of the unit code with the vehicle documentation and to check part numbers and their equivalents. This ensures that the complete engine will work with the existing accessories, engine control unit, and electrical installation. In workshop practice, data from manufacturer catalogs and information from service systems are often used to confirm compatibility before installation.

If you want to better understand the process of selecting a used engine, what the common myths about such units are, and how cost proportions compare to other solutions, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses the practical aspects of purchasing used powertrain components, which makes it easier to make an informed decision.

BMW engines – expansion and modernization of the powertrain

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

Additional information on choosing between remanufacturing and installing a used powertrain unit is also provided in the guide: Remanufactured or original used – which part to choose for repair?. It allows you to compare different repair strategies and choose the solution best suited to your specific service case.