Audi S4 B7 4.2 FSI Quattro Petrol Complete Engine BBK 344HP 99k 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.

Audi S4 B7 4.2 FSI Quattro Petrol Complete Engine BBK 344HP 99k miles, WARRANTY is a complete powertrain from the V8 FSI family, designed for the sports versions of the B7 generation S4. The unit with the BBK code provides the throttle response characteristic of a naturally aspirated V8, high refinement, and stable performance across the entire rev range, serving as a solid foundation for repairing or rebuilding the drivetrain in your Audi.

Specifications and technical data

• SKU: 079100031D-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 079100031D
• Substitutable numbers: 079100031D, 079 100 031 D, 079100031DX, 079 100 031 DX
• Fuel type: Petrol
• Number of cylinders: 8
• Category: Engines
• Engine code: BBK
• Mileage: 99 000

Technical characteristics of the BBK 4.2 FSI engine

The engine from the Audi Engines family in the BBK version is an eight-cylinder petrol unit with direct FSI injection, designed to work with the Quattro drivetrain. The V8 configuration ensures smooth power delivery, and the fuel supply technology used allows for precise mixture dosing and stable operation under a wide range of loads. The unit was developed with dynamic driving in mind, while maintaining an adequate torque reserve for daily use.

The engine's mileage allows for further operation after performing standard service procedures typical for used V8 units. Thanks to the completeness of the accessories (as shown in the offer photos), the engine is a convenient solution when replacing a damaged unit in an Audi S4 B7, reducing the need to transfer many components from the previous engine.

Application and selection for Audi S4 B7 4.2 FSI Quattro

The presented engine is intended for Audi S4 B7 models factory-equipped with the BBK unit and Quattro drivetrain. When selecting, it is worth paying attention to the compatibility of the engine code, fuel type, and accessory configuration with the unit currently installed in the vehicle. Proper matching allows for limiting adaptation work and shortening installation time in the workshop.

To ensure proper integration with the vehicle's electronics, it is recommended to verify compatibility by VIN number and consult with a mechanic or technical advisor. This selection method minimizes the risk of incompatibility of harnesses, sensors, or control elements, which is particularly important in modern petrol units with direct injection.

Benefits of choosing a complete used engine

Choosing a complete used BBK engine for the Audi S4 B7 is a solution that allows for significantly lower repair costs compared to rebuilding a damaged unit from scratch. The completeness of the powertrain facilitates installation, and maintaining the original Audi specification promotes the preservation of factory operating parameters and compatibility with existing vehicle systems.

The V8 FSI petrol unit provides a characteristic sound, smooth power delivery, and an appropriate reserve of performance, which is particularly valued in the sports S4 versions. For workshops and private users, this means the possibility of efficient engine replacement while maintaining predictable labor and additional parts costs.

Professional selection of a used engine – knowledge and procedures

When purchasing a used engine, it is worth relying on proven selection procedures based on OEM numbers and the unit code. We describe this process in detail and discuss common myths and facts regarding used powertrains in the article: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical source of knowledge for mechanics and informed users planning an engine replacement.

Audi Engines – expansion and modernization of the drivetrain

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