Performance Air Filter for Audi S6 C6 5.2 V10 FSI (2006-2010)

High-Velocity Induction for the Audi S6 5.2L V10 (BXA Engine)

Who It’s For: Engineered for Audi A6/S6 (4F/C6) owners running the high-revving 5.2L V10 BXA powerplant who want to optimize the engine’s volumetric efficiency without compromising filtration quality.

The Symptom: The 5.2L FSI V10 is an atmospheric masterpiece, but it requires a massive volume of air to reach its 435 HP potential. Factory paper filters are designed with a "depth-loading" philosophy, which means as they trap dirt, they create an increasingly restrictive barrier that kills throttle response and robs the BXA engine of its top-end breath.

When you’re pushing a heavy luxury sedan like the C6 S6, any restriction in the intake tract feels like a delay in power delivery, especially during spirited pulls where the V10 needs to breathe most.

The Engineering Fix: This BMC performance filter replaces the restrictive factory paper element with a multi-layered cotton gauze media. By utilizing low-viscosity oil and an epoxy-coated alloy mesh, we change the fluid dynamics of the intake. Instead of the air struggling through dense paper fibers, it flows through a high-flow medium that captures impurities as small as 7 microns—significantly tighter than the 10-micron limit of the OEM filter.

The "Full Moulding" construction ensures the filter frame is a single piece with no welded joints, preventing air leaks and ensuring a perfect seal within the factory airbox.

Why Mechanics Choose This Kit

• Enhanced Air Density: By reducing the pressure drop across the filter media, the BXA engine can pull in air more efficiently, resulting in sharper throttle snap and improved torque throughout the rev range.
• Superior Filtration: Unlike many "performance" filters that sacrifice engine safety for flow, this system filters down to 7 microns, offering better protection for the V10’s internal components than the stock paper unit.
• Lifetime Durability: Constructed with a durable rubber housing and washable cotton gauze, this filter is designed to outlast the vehicle. It is fully regenerable using a standard BMC cleaning kit.

Technical Specifications

Compatibility & OEM Reference

Fits the following vehicles (BMC fitment data):

• Audi A6 (4F/C6) 5.2 V10 S6 FSI V10 [Full Kit] (435 HP) | 2006-2010

BMC marks these applications as [Full Kit]. The package contains 2 filters.

OEM Cross Reference (BMC): VW GROUP 07L133843B, 07L133843E

The Performance Promise

Buy with confidence. This is a precision-engineered component designed to meet the rigorous demands of Audi’s V10 platform. Backed by real automotive experts and fast shipping.

Common Questions

Which Audi does it fit?
BMC lists the C6 (4F) S6 5.2 V10 FSI (435 HP), 2006-2010.

Is it a direct fit?
Yes. It replaces the factory element (2 filters per kit) in the stock airbox with no modifications.

Can I clean and reuse it?
Yes. Wash and re-oil it with a BMC regeneration kit.

How fine is the filtration?
The multi-layer oiled cotton traps particles down to 7 microns.

What will I notice after installing it?
Sharper throttle response and a stronger intake sound.