Audi S6 C6 5.2 FSI Quattro Bare Engine BXA 435HP with 99k 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.).

Audi S6 C6 5.2 FSI Quattro Bare Engine BXA 435HP with 99k miles, WARRANTY is an advanced V10 powertrain unit designed for demanding users looking for a powerful petrol engine for service applications or performance projects. The bare engine block with the BXA code provides a solid foundation for rebuilding, swapping, or professional powertrain upgrades in the Audi S6 C6 with Quattro drive, offering high power potential and the characteristic refinement of a V10.

Specifications and technical data

• SKU: 07L100031A
• Mark: Audi
• Condition: Used
• OEM Part Number: 07L100031A
• Substitutable numbers: 07L100031A, 07L 100 031 A, 07L100031AX, 07L 100 031 AX
• Fuel type: Petrol
• Number of cylinders: 10
• Category: Engines
• Engine code: BXA
• Mileage: 59 000

Characteristics of the BXA engine design

The presented unit belongs to the Engines category and represents a high-power petrol V10 unit, designed for dynamic driving and stable operation in the Quattro system. The ten-cylinder configuration ensures smooth torque delivery, while the FSI architecture promotes precise fuel metering and efficient combustion across a wide load range.

The bare engine means you receive the core of the powertrain – the block with the cylinder assembly and heads – prepared for further completion according to the requirements of a specific vehicle configuration or tuning project. This form is particularly beneficial for specialized workshops that plan to select individual accessories and components themselves.

Application in the Audi S6 C6 5.2 FSI Quattro

The BXA engine was developed specifically for the sports version of the Audi S6 C6 with Quattro all-wheel drive, where high power and quick throttle response are crucial for performance. This unit works well with advanced drivetrain systems, ensuring stable power delivery to all wheels, which translates into confident handling at higher speeds and in more difficult road conditions.

The petrol configuration combined with ten cylinders allows for a characteristic sound and smooth operation throughout the entire rev range. This solution is frequently chosen both for standard factory-specification rebuilds and for projects where high durability reserves are a priority.

Benefits of choosing a used V10 bare engine

A used BXA engine block represents a reasonable compromise between costs and technical capabilities. For professional workshops and tuners, this means:

• the possibility of a comprehensive unit rebuild according to your own quality standards,
• freedom in selecting accessories, intake, and exhaust systems,
• a base for building a powerful engine with high modification potential.

Additionally, the recorded mileage allows for a better assessment of the potential for further operation after performing necessary service or repair work. This is particularly important when planning a repair or upgrade budget.

Selection and compatibility verification

Before purchasing, it is worth verifying the compatibility of the BXA engine code with the configuration of your specific Audi S6 C6, taking into account the model year, equipment version, and the drivetrain used. This minimizes the risk of additional installation modifications and reduces vehicle downtime in the workshop.

If necessary, you can refer to factory markings – the product has a dedicated OEM part number and associated interchangeable numbers, which facilitates identification in service catalogs and parts selection systems.

Audi engines – expansion and modernization

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as blocks, heads, or other bare engines, check the available parts in the Audi Engines category.

Substantive support and knowledge about powertrains

When working with advanced units such as the V10 in the Audi S6, knowledge of typical design and operational issues in modern engines is useful. For comparison with other brands and a better understanding of the potential risks associated with purchasing used units, it is worth reading the material: BMW E90 unreliable engines: check what can ruin your budget!

If you are interested in a broader context of using salvaged components for repairing older, powerful cars, the following guide may also be helpful: No parts at the dealership? How to handle the repair of older models using salvaged parts.

Summary

Audi S6 C6 5.2 FSI Quattro Bare Engine BXA 435HP with 99k miles, WARRANTY is a specialized petrol V10 unit from the Engines category, intended for users and workshops expecting high power and a solid base for rebuilding or modification. The bare engine allows for flexible adjustment of accessories and scope of work, and proper verification of compatibility with a specific Audi S6 C6 ensures an efficient and technically correct installation.