BMW F70 120i U06 220i X1 U11 20i B38N Complete Engine B38A15P 380 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 F70 120i U06 220i X1 U11 20i B38N Complete Engine B38A15P is a complete powertrain from the BMW three-cylinder petrol engine family, designed for modern 1 Series, 2 Series, and X1 models. Thanks to its compact design, modern architecture, and refined fuel supply system, this engine provides efficient acceleration, high operating culture, and effective fuel consumption. It is a solution for users who expect a technically refined unit for service applications or modernization projects.

Specifications and technical data

• SKU: 5A3DFA6-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A3DFA6
• Substitutable numbers: 5A3DFA6, 11005A3DFA6
• Fuel type: Petrol
• Number of cylinders: 3
• Category: Engines
• Engine code: B38A15P
• Mileage: 380 000

Technical characteristics of the B38A15P unit

The presented engine belongs to the modern family of BMW three-cylinder petrol units, designed to combine dynamic characteristics with limited fuel consumption. The three-cylinder configuration promotes compact dimensions and weight reduction, which translates into better load distribution in the engine bay and more efficient vehicle handling. The unit has been developed with an emphasis on stable operation across a wide rev range, which facilitates both city and highway driving.

The engine works with control systems and auxiliary equipment used in current generations of BMW models, which allows it to be used as a replacement component in vehicles factory-equipped with B38 family units. As a result, it can be used both in post-accident repairs and when replacing a worn-out powertrain in vehicles used intensively.

Application in BMW models

The discussed powertrain is intended for BMW vehicles in the compact and mid-size segments, such as petrol versions of the 1 Series, 2 Series, and X1. The engine design has been adapted to work with modern gearboxes and electronic systems used in these models, which facilitates integration with the vehicle's existing installation. Thanks to this, the engine can be a functional solution when replacing a unit in cars used both privately and in fleets.

This type of petrol unit performs well in daily use, offering smooth power delivery and predictable throttle response. The use of three cylinders allows for the reduction of internal friction, which helps achieve a favorable compromise between performance and fuel consumption, which is important in modern BMW designs.

Benefits of choosing a used BMW petrol engine

Choosing a complete petrol engine from the B38 family as a replacement component allows for a significant reduction in vehicle repair time compared to the step-by-step regeneration of individual components. Using a unit from the same design line makes it easier to match existing mounts, the cooling system, and the electrical installation. For workshops, this means more efficient order fulfillment, and for the end user – a faster return of the vehicle to operation.

This type of petrol engine is particularly attractive in situations where the existing unit has suffered major mechanical damage or would require costly rebuilding. Using a complete powertrain allows for the reduction of the risk of additional faults resulting from incomplete regeneration of accessories. Additionally, structural consistency with factory BMW solutions helps maintain predictable vehicle performance parameters after repair.

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.

Technical support and knowledge about BMW units

When planning a powertrain replacement, it is worth considering the experiences of users of other models of this brand and typical operational problems. For a better understanding of the specifics of BMW engines and potential repair costs, material describing critical designs in popular models may be helpful – you can find it in the article Faulty BMW E90 engines: check what can ruin your budget!.

If you are considering whether a new unit or a component from the secondary market is a better choice in your case, it is worth reading an analysis comparing both approaches in terms of costs and durability. This topic is discussed in more detail in the guide Car parts – new or used? We compare costs, quality, and durability, which can facilitate making an informed service decision.