BMW F20 F30 F32 120i 320i 420i B48 Complete Engine B48B20A 37k miles, 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 F20 F30 F32 120i 320i 420i B48 Complete Engine designed for F20, F30, and F32 series models with 120i, 320i, and 420i units is a proposal for users looking for a proven, used powertrain. It is a modern, four-cylinder petrol engine that allows for professional repair or replacement of the unit in the car while maintaining factory performance characteristics. By keeping the equipment complete, it serves as a solid base for a quick and technically correct powertrain reconfiguration.

Specifications and technical data

• SKU: 2455340-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2455340
• Substitutable numbers: 11002455340, 2455340, 11002408212, 2408212, 11002455342, 2455342
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Purpose and compatibility

The offered engine comes from the B48 family and is dedicated to BMW F-series vehicles with 120i, 320i, and 420i designations. The unit's design was developed with dynamic yet economical driving in mind, which works well in both daily use and more demanding conditions. The complete powertrain facilitates matching to the existing vehicle installation, reducing the need for additional modifications.

Construction and technical characteristics

The B48B20A engine is a modern, four-cylinder petrol unit that combines a compact design with good operating culture. The use of a four-cylinder layout promotes smooth power delivery and predictable response to load. The petrol unit works well with factory control systems and equipment used in F20, F30, and F32 models, which translates into stable operating parameters after proper installation.

The engine mileage remains at a level typical for a used unit from the secondary market, which allows for further operation while maintaining appropriate service procedures. For workshops and individual users, this means the possibility of performing a replacement based on a component with a known operational history.

Application in service practice

The BMW F20 F30 F32 120i 320i 420i B48 Complete Engine will work well both for standard replacement of a damaged unit and for more advanced repair projects. Thanks to the preservation of the original design configuration, it enables:

• restoring the factory operating parameters of the powertrain,
• reducing vehicle downtime in the workshop,
• maintaining compatibility with factory electronics and equipment.

For workshops specializing in the BMW brand, this is a convenient solution, allowing for efficient repair implementation without the need to build a unit from scratch from many individual elements.

Benefits of choosing a used BMW engine

Choosing a used engine from the B48 family is a reasonable compromise between costs and functionality. The original BMW unit ensures proper fitment to the body and auxiliary systems, while at the same time allowing for a significant reduction in repair costs compared to a brand-new assembly. An additional advantage is the ability to verify compatibility by OEM number and interchangeable numbers, which facilitates the selection of the correct version for a specific car model.

To better understand the specifics of the secondary market and make an informed purchase decision, it is worth reading the expert guide on powertrains: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection procedures by OEM numbers and cost proportions compared to new parts.

BMW engines – further expansion and component selection

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional powertrains, engine blocks, or complete assemblies with equipment, check the available parts in the BMW Engines category.

Thanks to this, you can build a coherent repair package, covering both the main powertrain and other components from the same group, which makes it easier to keep the vehicle in a uniform, factory specification.