Audi R8 4.2 FSI V8 Quattro BYH R-Tronic Gearbox KBC 086300045R WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Audi R8 4.2 FSI V8 Quattro BYH R-Tronic Gearbox KBC is a specialized automatic transmission designed for the sports drivetrain of the Audi R8 with a V8 petrol engine and quattro all-wheel drive. The R-Tronic design provides sequential gear shifting using automated control, allowing for a combination of dynamic acceleration and precise torque transfer. This solution is created for drivers who expect a distinctly sporty drivetrain performance.

Specifications and technical data

• SKU: 086300042R
• Mark: Audi
• Condition: Used
• OEM Part Number: 086300042R
• Substitutable numbers: 086300042R, 086 300 042 R, 086300045R, KBC
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Purpose and technical characteristics

The R-Tronic automatic transmission has been designed to work with the 4.2 FSI V8 unit in a quattro system, which means it is matched to the high loads and dynamic driving style typical of the Audi R8. The automated gear shifting system is based on a classic transmission with a mechanical gear set, controlled electronically and hydraulically, which allows for fast, repeatable gear changes without the need to use a clutch pedal.

The transmission is configured for all-wheel drive, allowing it to work with the torque distribution system in the Audi R8 Quattro, ensuring stable power transfer to all wheels in both road and track conditions.

Benefits of using the R-Tronic gearbox in the Audi R8

Using this gearbox in the Audi R8 4.2 FSI V8 Quattro BYH allows for:

• consistent, sporty tuning of the drivetrain with the FSI petrol engine,
• automatic, sequential gear shifting with the possibility of dynamic driving,
• effective power transfer to all wheels in the quattro system,
• preservation of the original drivetrain characteristics intended by the manufacturer.

For the user, this means precise vehicle handling, predictable throttle response, and the ability to utilize the full potential of the V8 unit in both road and sports conditions.

Condition, selection, and installation

The offered gearbox belongs to the Automatic transmissions category and is a used component, which in practice means that professional verification is required before installation in the vehicle. It is recommended that installation and any necessary adaptation be performed by a workshop with experience in Audi R8 drivetrains and R-Tronic transmissions, taking into account bleeding, calibration, and control adaptation procedures.

When selecting a gearbox, it is worth paying attention to compatibility with the specific engine and drivetrain version of the vehicle, as well as the availability of the appropriate control software in the vehicle. A correctly selected transmission allows for maintaining factory drivetrain performance parameters and reducing the risk of malfunction of auxiliary systems.

Drivetrain integration and operation

The R-Tronic gearbox works with the petrol engine in a way that allows for maintaining optimal RPM depending on the driving mode, which promotes both performance and handling stability. Thanks to the automatic control, the driver can focus on the driving line, using sequential gear shifting without the need for manual clutch operation.

In operation, it is crucial to follow service recommendations regarding transmission fluid level checks and regular diagnostics of the control system. This allows for maintaining stable transmission operation and reducing the risk of typical faults associated with intensive use of a sports drivetrain.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other components from the same group, such as converters, control modules, or other automatic transmissions, check the available parts in the Audi automatic transmissions category.

To better assess the condition and cost-effectiveness of purchasing a used transmission, it is worth familiarizing yourself with practical tips regarding diagnostics and typical signs of wear – these are discussed in detail in the article "Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox", where you will also find answers to frequently asked questions related to choosing automatic transmissions.