BMW F20 F21 125i F30 F31 330i F32 430i B48 252HP Bare Engine B48B20B 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 F21 125i F30 F31 330i F32 430i B48 252HP Bare Engine B48B20B WARRANTY is an original powertrain unit from the B48 family, designed for modern BMW models with gasoline engines. The four-cylinder construction ensures efficient, dynamic power delivery, and the mileage of this unit remains at a level suitable for further, intensive operation. This is a proposal for users looking for a factory BMW engine with predictable operating parameters and high refinement.

Specifications and technical data

• SKU: 2455353
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2455353
• Substitutable numbers: 2455353, 11002455353, 2444023, 11002444023, 11002455354, 2455354
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 54542

Technical characteristics of the B48B20B engine

The presented engine belongs to the Engines category and represents the modern line of BMW B48 gasoline units. The four-cylinder inline layout promotes smooth operation, and the use of gasoline allows for a fluid, flexible acceleration characteristic. The unit was designed for BMW F20 125i, F30 330i, and F32 430i models, which translates into proper compatibility with the factory equipment, control, and cooling systems in these vehicles.

The B48B20B engine is a design known for good energy efficiency and a favorable performance-to-fuel consumption ratio. Thanks to its compact construction and well-thought-out component layout, it facilitates servicing and integration with the existing vehicle installation. This unit performs well both in daily city driving and in more dynamic highway use.

Purpose and compatibility

The offered engine has been prepared for use in BMW F-series vehicles, particularly in the 125i, 330i, and 430i versions. This means that the mounting geometry, support points, and general architecture of the unit are adapted to the factory design solutions of these models. In practice, this facilitates installation and reduces the need for additional modifications.

The B48B20B gasoline unit is suitable for users who expect:

• consistency with the original BMW drivetrain,
• preservation of the factory vehicle handling characteristics,
• the possibility of further operation while maintaining proper service procedures.

The engine comes from the BMW range, which allows for maintaining compliance with the manufacturer's factory standards regarding construction and operating parameters.

Condition, mileage, and practical application

The unit is in Used condition, which means it was previously operated but is still suitable for further use after proper installation and basic service verification. The engine's mileage is moderate for this generation of units, which provides a good basis for further operation in BMW compact and mid-size cars.

The B48B20B engine will be suitable, among other situations, when:

• it is necessary to replace a damaged powertrain unit with an original equivalent,
• maintaining the factory vehicle specification is important,
• a cost-effective solution compared to a new engine is sought.

Thanks to the preservation of the original architecture of the unit, it is possible to use the existing vehicle infrastructure, which reduces the time and complexity of workshop work.

Benefits of choosing an original BMW engine

Choosing an original engine from the B48 family for a BMW F20, F30, or F32 allows you to maintain the consistency of the entire drivetrain. The use of a four-cylinder gasoline unit promotes predictable car behavior and also facilitates diagnostics and maintenance in specialized service centers. For many users, it is also important that the original BMW engine maintains compatibility with factory control software and safety systems.

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 engine accessories, check out the available parts in the BMW Engines category.

Technical knowledge and additional materials

Before making a decision to replace a powertrain unit, it is worth familiarizing yourself with typical problems occurring in specific generations of BMW engines. Useful information on operation and potential repair costs can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!, which discusses critical areas of the construction and helps to consciously plan investments in the drivetrain.