BMW G20 320iX X3 G01 X4 G02 20iX Bare Engine B48B20A B48C 79k 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 G20 320ix X3 G01 X4 G02 20ix Bare Engine Block B48B20A B48C is a used, structurally complete bare engine block from the modern BMW gasoline engine family, designed for xDrive models. This product provides a solid foundation for a professional engine replacement in BMW 3 Series G20 cars and X3 G01 and X4 G02 SUVs.

Specifications and technical data

• SKU: 5A078C6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A078C6
• Substitutable numbers: 5A078C6, 11005A078C6, 2470902, 11002470902, 5A078C5, 11005A078C5
• Fuel type: Petrol
• Number of cylinders: 4
• Part type: Engine Long Block
• Category: Engines
• Engine code: B48B20A B48C
• Mileage: 79 000

Engine Block Technical Specifications

The offered engine block belongs to the four-cylinder, gasoline BMW engine family designated as B48B20A B48C. This is a modern design engineered for efficient fuel consumption, stable operation across the full load range, and compatibility with advanced engine control systems used in current BMW generations.

The bare block includes the essential engine block and cylinder head, forming the foundation for transferring ancillaries from the existing unit. This configuration is particularly advantageous for repairs after accidents or mechanical failures when the ancillaries remain functional and can be reused.

Application in BMW G20, X3 G01, X4 G02 Models

The engine is designed to work with the four-wheel-drive system in the 320ix and 20ix versions of the X3 and X4 models. Therefore, it is a suitable choice for:

• restoring the factory driving characteristics in BMW 3 Series G20 with xDrive,
• restoring full drivetrain functionality in the BMW X3 G01 20ix,
• repairing the powertrain in the BMW X4 G02 20ix while maintaining the correct structural specifications.

The B48 family is widely used in current BMW models, which facilitates servicing, availability of parts, and integration with the vehicle's existing systems.

Benefits of Choosing a Used B48 Engine Block

Choosing a used engine block from the B48 family can significantly reduce repair costs compared to purchasing a brand-new unit, while maintaining the correct technical specifications. In practice, this means:

• an optimal cost-to-benefit ratio for premium car repairs,
• preserving the original engine architecture without the need for structural modifications,
• the possibility of reusing existing ancillaries (depending on the mechanic's decision and the condition of the parts),
• reduced vehicle downtime due to simpler installation in place of the damaged unit.

The B48 family engine is designed to operate within modern control systems, which promotes stable fuel consumption and smooth running after proper installation and adaptation.

Professional Engine Selection and Installation

When selecting an engine block for a specific BMW model, it is crucial to compare the engine code and part numbers with the vehicle's documentation and engine control unit. Installation in a specialized service center is recommended, which will:

• verify the unit's compatibility with the control unit software and ancillaries,
• perform proper adaptation after installation, including bleeding procedures and operational parameter checks,
• assess the condition of accompanying components (seals, hoses, cooling system) and replace them if necessary.

This ensures the engine can operate under conditions close to factory standards, and the risk of improper operation after replacement is minimized.

BMW Engines – Other Available Units

If you are also looking for other BMW engines for various models of this brand, check out our dedicated category: BMW Engines. There you will find a wide selection of powertrains suitable for many generations of BMW vehicles.

More About Purchasing Used Engines

Before deciding to install a used engine block, it is advisable to familiarize yourself with reliable information on the selection and operation of such components. A detailed discussion of cost differences, selection procedures by part numbers, and practical aspects of installation can be found in the article: Why Buy Used Gearboxes and Engines – Facts Instead of Myths. This provides helpful supplementary knowledge for both workshops and end-users.