BMW G30 G31 540dX G11 740dX X3 G01 X4 G02 M40dX B57 Bare Engine B57D30B 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 G30 G31 540dX G11 740dX X3 G01 X4 G02 M40dX B57 Bare Engine is a used, complete bare engine block from the B57 family, designed for modern BMW models with xDrive all-wheel drive. This is a solution for users who expect consistency with the factory design, the preservation of original performance parameters, and a professional base for further assembly of accessories.

Specifications and technical data

• SKU: 2473242
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2473242
• Substitutable numbers: 2473242, 11002473242, 2455916, 11002455916, 2473241, 11002473241, 2455915, 11002455915, 11002414692, 2414692
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: B57D30B
• Mileage: 59 000

Purpose and compatibility

The offered B57D30B bare engine is dedicated to BMW G-series vehicles, in particular to high-end models and SUVs, such as the BMW 5 Series G30/G31, 7 Series G11, and X3 G01 in 540dX, 740dX, and M40dX versions. The design based on the B57 unit ensures the maintenance of factory operating characteristics, which facilitates integration with existing electronics, the drivetrain, and vehicle safety systems.

Technical characteristics of the engine block

The B57D30B engine belongs to a modern family of BMW units, designed for high refinement and efficient fuel consumption. The cylinder layout and the appropriate fuel type allow for a favorable compromise between dynamics and operating economy. The bare engine serves as a solid base for transferring accessories from the previous unit, which reduces costs and allows for maintaining a configuration tailored to a specific vehicle.

The mileage of the unit is an important parameter when choosing a used engine – in this case, it provides a favorable starting point for further operation, especially with proper installation and adherence to service procedures. Thanks to this, the engine block can be used both for standard replacement of a damaged unit and for more advanced repair projects.

Application in xDrive drivetrains and M Performance versions

The B57D30B engine in 540dX, 740dX, and M40dX configurations works with the xDrive all-wheel-drive system, which requires precise matching of the power unit to the transmission, drivetrain, and control units. Using an original engine block from the same family of engines facilitates the maintenance of correct communication with control modules and minimizes the risk of compatibility issues.

In M Performance versions, such as the X3 G01 M40dX, the right engine base is of particular importance for maintaining the proper torque characteristics and throttle response. Choosing an original B57D30B engine block allows for maintaining factory design assumptions, which translates into predictable vehicle behavior and stable operation of the drivetrain.

Benefits of choosing a used engine block

By choosing a used bare engine from the B57 family, you gain a technically consistent foundation for vehicle repair at significantly lower costs than in the case of a new unit. The ability to use existing accessories (turbo, injectors, manifolds, auxiliary equipment) allows for optimizing the repair budget while maintaining the original vehicle specification.

An additional advantage is the availability of the OEM part number and interchangeable numbers in the technical specification – this facilitates verification of compatibility with a specific VIN and the selection of the correct unit for a given model year and equipment version. This approach is particularly important in modern BMWs, where the engine is closely linked to electronics and drivetrain configuration.

Installation recommendations and technical support

When installing a used B57D30B engine block, it is recommended to perform a full diagnostic of the accessories transferred from the old unit, replace consumables, and verify system tightness. Professional installation at a specialized BMW service center or a workshop familiar with the specifics of B57 units will allow you to fully utilize the potential of this unit and reduce the risk of future failures.

If you want to better understand how to safely choose used power units and what procedures for selection by VIN and OEM are worth applying, check out our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical supplement to your knowledge when planning an engine replacement in a modern BMW.

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 power units, check out the available parts in the BMW Engines category.