BMW F20 F30 F31 F32 120i 320i 420i B48 Bare Engine B48B20A 37k 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 F20 F30 F31 F32 120i 320i 420i B48 Bare Engine B48B20A is an original power unit from the B48 family, designed for modern BMW models with petrol engines. It is a solution for users looking for a technically matched engine with a four-cylinder design, ensuring efficient and predictable operation of the drivetrain. By maintaining factory specifications, this engine provides a solid base for repair or replacement in your BMW.

Specifications and technical data

• SKU: 2455340
• 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

Technical characteristics of the B48B20A engine

The presented engine belongs to the family of modern BMW petrol units, designed for efficient power utilization and reduced fuel consumption. The four-cylinder layout ensures a good balance between smooth operation and ease of maintenance. The use of petrol allows for dynamic throttle response and predictable behavior across the entire rev range.

The B48B20A engine is used in popular 1, 3, and 4 series models, which makes it easier to match the unit to a specific body version and equipment configuration. The design of this unit is well-recognized by workshops specializing in the BMW brand, which translates into easier diagnostics and availability of service procedures.

Application in BMW F20, F30, F32 models

The engine was designed to work with BMW F20, F30, and F32 platforms in 120i, 320i, and 420i versions. This means that the unit is structurally matched to the engine bay, cooling system, electrical installation, and control systems in these models. Factory compatibility reduces the need for modifications during installation and allows for maintaining the car's original driving characteristics.

When selecting an engine, it is crucial to compare the unit designation and data from the vehicle documentation to ensure full compatibility with the installed accessories and ECU software. A properly selected B48B20A engine allows for restoring the car's performance without interfering with the body structure or the drivetrain.

Benefits of choosing a used BMW engine

The unit comes from the Engines category and is offered as a used component, which allows for significantly reducing repair costs compared to purchasing a brand-new part. In practice, this means a favorable cost-to-effect ratio – while maintaining the manufacturer's original specifications. A used BMW petrol engine can be a good solution both in the event of a mechanical failure and during a planned unit replacement as part of a major overhaul.

To maximize the potential of this unit, it is recommended to perform standard preparatory steps after installation, such as changing the oil, filters, and checking the cooling system. Such an approach increases operational safety and allows for better planning of future maintenance.

Selection by OEM and VIN – expert support

When purchasing a used engine, it is crucial to correctly match it using OEM numbers and vehicle VIN data. This helps avoid problems with the compatibility of accessories, wiring harnesses, or control software. If you want to learn more about the safe selection of power units from the secondary market, selection procedures, and real cost differences, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

Expansion and modernization of the BMW engine area

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 additional power units, blocks, or short blocks, check out the available parts in the BMW Engines category.