BMW F45 LCI 220i X1 F48 X2 F39 20i B48C Bare Engine B48A20A 15k 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 F45 LCI 220i X1 F48 X2 F39 20i B48C Bare Engine B48A20A 15k miles, WARRANTY is a used, complete bare engine block from the modern family of BMW petrol units, designed for the 2 Series Active Tourer, X1, and X2 models. Thanks to its four-cylinder construction and modern B48 architecture, it provides a solid foundation for professional repair or replacement of the powertrain in your vehicle. This is a solution for users looking for a technically compatible yet cost-effective engine block.

Specifications and technical data

• SKU: 2450646
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2450646
• Substitutable numbers: 2450646, 11002450646, 11002455335, 2455335, 11005A07765, 5A07765, 11005A07764, 5A07764
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: B48A20A
• Mileage: 15 000

Technical characteristics of the B48A20A engine block

The presented engine belongs to the family of modern BMW B48 petrol units, widely used in the brand's current models. The four-cylinder layout ensures balanced operation, good refinement, and predictable behavior under load. As a bare engine block, it serves as a base for transferring accessories from the existing unit, which allows you to maintain the vehicle's factory equipment configuration.

The unit is designed for petrol fuel, which aligns with the character of the dynamic 20i versions used in the BMW 2 Series F45, X1 F48, and X2 F39. The B48A20A design is valued for its modern architecture, optimized for efficiency, emissions, and thermal stability, which is important during intensive use.

Application in BMW models

The B48A20A engine is used in popular BMW compact and crossover models: the 2 Series Active Tourer F45, as well as the X1 F48 and X2 F39 SUVs in 20i versions. This makes it an attractive option both for post-accident repairs and for replacing the unit after a mechanical failure.

In practice, this means the ability to maintain the vehicle's factory handling characteristics and performance without the need to interfere with control software or change the drivetrain configuration. Structural consistency with the original engine facilitates workshop work and reduces vehicle downtime.

Benefits of choosing a used bare engine block

Choosing a used B48A20A bare engine block is a solution that allows you to combine cost control with maintaining a high level of technical compliance. This type of configuration is particularly beneficial when:

• you have functional accessories (turbo, injection, manifolds, covers) and want to transfer them to a different mechanical base,
• you want to maintain the original specifications of the BMW powertrain,
• you are looking for a low-mileage block that will be a good foundation for further operation,
• you want to limit the risk of incompatibility resulting from using a different engine type.

Because it is a used engine block from the B48 family, it represents a reasonable compromise between purchase cost and the predictability of installation and subsequent engine operation.

Engine selection and compatibility

Before purchasing, it is recommended to verify the compatibility of the B48A20A engine code with the unit currently installed in the vehicle and to match it to the specific model version (F45 220i, X1 F48 20i, X2 F39 20i). Correct selection of the block minimizes the risk of installation problems and allows you to maintain factory powertrain performance parameters.

The B48 family engine is designed with modern control systems and advanced driver assistance systems in mind, which is why its correct integration with the vehicle's electrical and electronic installation is crucial. Professional installation in a specialized workshop will allow you to fully utilize the potential of this unit and ensure trouble-free operation.

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 other engine blocks, check the available parts in the BMW Engines category.

Technical support and additional information

When choosing a used engine, it is worth knowing the typical problems of BMW powertrains and the differences between individual generations. A practical guide to problematic units, which allows you to better assess the cost-effectiveness of repair and replacement, may be helpful – you will find it in the article Troublesome BMW E90 engines: check what can ruin your budget!.

If you are considering a wider car upgrade, e.g., retrofitting elements from higher trim levels during an engine replacement, it is worth reading the guide on retrofitting and using salvaged parts: Retrofitting in VAG and BMW group cars: how to upgrade your car cheaply. This will help you plan service work more easily and optimally utilize the potential of your BMW.