Performance Air Filter for Audi A8 D3 (4E) (2002-2010)

Precision Airflow Induction: High-Performance Filtration for the Audi D3 Platform

Who It’s For: Engineered for Audi A8 (4E) owners running the prestigious D3 chassis powerplants—from the efficient 2.8 FSI to the monumental 6.0 W12—who demand sharper throttle response and superior engine protection.

The Symptom: The factory intake system on the Audi A8 is designed with one primary goal: silence. To achieve this, Audi utilizes thick, restrictive paper filters that create a significant pressure drop within the airbox. For a heavy executive sedan like the A8, this results in a sluggish “heavy” feeling during initial acceleration and a noticeable delay in power delivery when overtaking.

Your engine is essentially trying to breathe through a straw, forcing the intake stroke to work harder just to overcome the resistance of the OEM filter media.

The Engineering Fix: This BMC High-Performance Air Filter replaces the restrictive factory paper with a multi-layered cotton gauze medium, soaked in low-viscosity oil and reinforced by an epoxy-coated alloy mesh. By utilizing the physics of surface tension and multi-layer impingement, this system allows for a significantly higher volume of air to reach the combustion chamber while actually improving filtration.

While the OEM filter struggles to stop particles smaller than 10 microns, this BMC unit captures impurities as small as 7 microns, ensuring your cylinder walls and valves stay protected from micro-abrasives.

Why Mechanics Choose This Kit

• Enhanced Volumetric Efficiency: By reducing the intake restriction, we allow the engine to pull in air with less effort, directly improving torque delivery on the 4.2L V8 and sharpening turbo spool-up on the TDI variants.
• Full Moulding Technology: Unlike cheaper filters that use glued segments, BMC uses a single-mould system. This eliminates welded joints, preventing the structural failures and air-leaks that can plague high-mileage Audi engines.
• Lifetime Durability: This is the last filter your D3 will ever need. It is fully washable and regenerable using a standard BMC cleaning kit, maintaining its flow characteristics for the life of the vehicle.

Technical Specifications

Compatibility & OEM Reference

Fits the following vehicles (BMC fitment data):

• Audi A8 (4E) 3.0 (218 HP) | 2003-2010
• Audi A8 (4E) 3.0 (220 HP) | 2003-2010
• Audi A8 (4E) 2.8 FSI (210 HP) | 2007-2010
• Audi A8 (4E) 3.0 TDI (211 HP) | 2003-2010
• Audi A8 (4E) 3.0 TDI (233 HP) | 2003-2010
• Audi A8 (4E) 3.2 FSI (260 HP) | 2005-2010
• Audi A8 (4E) 3.7 (280 HP) | 2002-2007
• Audi A8 (4E) 4.0 TDI [2 Filters Required] (275 HP) | 2003-2010
• Audi A8 (4E) 4.2 (335 HP) | 2002-2010
• Audi A8 (4E) 4.2 FSI (350 HP) | 2006-2010
• Audi A8 (4E) 4.2 TDI [2 Filters Required] (320 HP) | 2005-2010
• Audi A8 (4E) 4.2 TDI [2 Filters Required] (326 HP) | 2005-2010
• Audi A8 (4E) [American Market] 6.0 W12 (450 HP) | 2005-2008

Models marked [2 Filters Required] use two FB353/06 filters.

OEM Cross Reference (BMC): VW GROUP 4E0129620C, 4E0129620

The Performance Promise

Buy with confidence. This is the same filtration technology used by top-tier Formula 1 teams, adapted specifically for the luxury and performance requirements of your Audi A8. Experience the difference in fluid dynamics. Backed by real automotive experts and fast shipping.

Common Questions

Which A8 engines does it fit?
BMC lists the A8 D3 (4E) from the 2.8 FSI to the 6.0 W12, 2002-2010. The 4.0 and 4.2 TDI use 2 filters.

Is it a direct fit?
Yes. It replaces the factory element 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.