The Audi A4 S4 B9 A5 F5 A6 4K 3.0 TFSI Turbo turbocharger is an original equipment turbocharger component designed for modern Audi TFSI petrol engines. This used OEM part ensures a factory fit, maintaining the performance characteristics intended by the vehicle manufacturer.
Specifications and technical data
- SKU: 06M145689J
- Mark: Audi
- Condition: Used
- OEM Part Number: 06M145689J
- Substitutable numbers: 06M145689J, 06M 145 689 J
- Category: Turbos & Parts
Purpose and compatibility
This Audi turbocharger is designed for the 3.0 TFSI engines used in the B9 generation Audi A4 S4, Audi A5 F5, and Audi A6 4K models. Its OEM design ensures proper fit with the intake, exhaust, lubrication, and cooling systems of these engines.
By maintaining the original geometry and flow parameters, the turbocharger allows you to maintain stock engine performance, correct gas response and stable boost pressure across the entire rpm range.
Construction and operating characteristics
A turbocharger falls into the turbocharger and parts category, meaning it's an integral component of the turbocharging system responsible for increasing the amount of air delivered to the cylinders. The OEM design ensures:
- precise tuning with the engine control unit map in 3.0 TFSI units,
- stable operation at high loads and rotational speeds,
- maintaining the stock torque and power characteristics.
The original design translates into proper rotor balance, which reduces vibration and noise and promotes longer, predictable operation in everyday driving and dynamic use.
Condition, origin and advantages of a used turbocharger
The offered Audi turbocharger is a used component. This OEM part, sourced from a disassembly, offers an attractive cost alternative to a new component while maintaining factory specifications and installation compatibility.
Key benefits of using a used OEM turbocharger:
- factory fit to mounts, cables and accessories in the engine compartment,
- no need for modifications to the installation, which simplifies installation and shortens service time,
- maintaining the standard operating parameters of the charging system.
If you are considering the choice between a new and used component, an article comparing both options may be helpful: new or used turbocharger and other car parts – cost and quality comparison .
Application in tuning and modernization
The 3.0 TFSI turbocharger can be used not only as a replacement component, but also as a basis for further engine software modifications (so-called Stage 1/Stage 2), provided the vehicle configuration and technical condition of the engine allow it. The original component provides a stable starting point for such modifications, as the flow and durability parameters are known and predictable.
If you're interested in the broader context of sports car modifications and the use of used OEM parts to improve performance, it's worth checking out the article: MINI John Cooper Works – What Makes It Different and How Used Parts Help Improve Your Car . Although it covers a different brand, it provides a good overview of the approach to conscious tuning using original equipment parts.
Other Audi turbochargers
If you're also looking for other turbochargers for this brand, check out our dedicated category: Audi turbochargers . There you'll find a wide selection of OEM components that allow for professional repair or upgrade of the turbocharger system in various Audi models.
Summary
The Audi A4 S4 B9 A5 F5 A6 4K 3.0 TFSI Turbo turbocharger is a used, original equipment turbocharger designed for modern TFSI petrol engines. It offers factory fit, predictable performance, and is a sensible choice for users who expect factory-designed performance and controlled maintenance costs.
