Performance Air Filter for Audi A4/A5/Q5 with 2.7L 3.0L 3.2L 4.2L TSI TSFI Engines

Unleashing the EA837 & V6 TDI Powerplants: BMC High-Flow Performance Filter

Who It’s For: Engineered for Audi A4, A5, and Q5 owners running the high-displacement V6 and V8 platforms—including the legendary 3.0T EA837 supercharged engine and the torque-heavy 3.0 TDI—who demand better throttle response and engine efficiency.

The Symptom: The factory induction system on the B8 and 8R chassis is inherently bottlenecked by a thick, disposable paper element designed for cost-saving, not velocity. These OEM filters utilize a 10-micron filtration density that, while safe, creates a significant pressure drop across the airbox. For the Audi driver, this manifests as a “heavy” throttle feel and a noticeable lag when the supercharger or turbocharger attempts to spool, as the engine is forced to work harder just to pull air through the restrictive paper fibers.

The Engineering Fix: The BMC High-Flow Filter utilizes a multi-layered cotton gauze saturated with low-viscosity oil, allowing for a filtration threshold of 7 microns without the airflow resistance of paper. By utilizing a “Full Moulding” system, the filter features a seamless, single-piece construction that eliminates welded joints, which are common failure points in lesser aftermarket filters. This ensures a perfect airtight seal within the OEM airbox, forcing all incoming air through the high-flow media to increase oxygen density and sharpen the engine’s volumetric efficiency.

Why Mechanics Choose This Kit

• Optimized Fluid Dynamics: Provides a significantly higher CFM (Cubic Feet per Minute) rating compared to stock, allowing the 3.0 TFSI and TDI engines to breathe deeply during high-load scenarios.
• Proprietary Full-Moulding Technology: The signature red rubber housing is extremely durable and designed to withstand the high under-hood temperatures of the 4.2L FSI V8 without warping or losing its seal.
• Race-Proven Filtration: Unlike dry filters that can let fine particulates through, the epoxy-coated alloy mesh and oiled cotton capture impurities as small as 7 microns while maintaining maximum air velocity.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• Audi A4 (8K, B8) 2.7 TDI (163 HP) 2007-2012 [CAMB, CGKB]
• Audi A4 (8K, B8) 2.7 TDI (190 HP) 2007-2012 [CAMA, CGKA]
• Audi A4 (8K, B8) 3.0 TDI (180 HP) 2012-UP [CDUC, CKUB]
• Audi A4 (8K, B8) 3.0 TDI (204 HP) 2012-UP [CLAB]
• Audi A4 (8K, B8) 3.0 TDI (211 HP) 2008-2012 [CCWB]
• Audi A4 (8K, B8) 3.0 TDI (240 HP) 2007-2012 [CAPA, CCLA, CCWA]
• Audi A4 (8K, B8) 3.0 TFSI (272 HP) 2009-UP [CMUA]
• Audi A4 (8K, B8) 3.0 TFSI S4 (333 HP) 2008-UP [CAKA, CGWC, CGXC, CTUB]
• Audi A4 (8K, B8) 3.2 FSI (265 HP) 2007-2012 [CALA]
• Audi A5 + CABRIOLET (8T, 8F) 2.7 TDI (163 HP) 2007-UP [CAMB, CGKB]
• Audi A5 + CABRIOLET (8T, 8F) 2.7 TDI (190 HP) 2007-UP [CAMA, CGKA]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TDI (204 HP) 2011-UP [CLAB]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TDI (211 HP) 2008-UP [CCWB]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TDI (240 HP) 2007-UP [CAPA, CCWA]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TDI (245 HP) 2011-UP [CDUC, CKVC]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TFSI (272 HP) 2011-UP [CMUA]
• Audi A5 + CABRIOLET (8T, 8F) 3.0 TFSI S5 (333 HP) 2009-UP [CCBA, CAKA, CGWC, CGXC, CTUB]
• Audi A5 + CABRIOLET (8T, 8F) 3.2 FSI (265 HP) 2007-UP [CALA]
• Audi A5 + CABRIOLET (8T, 8F) 4.2 FSI S5 (354 HP) 2007-UP [CAUA]
• Audi Q5 (8R) 3.0 TDI QUATTRO (211 HP) 2008-UP [CCWB]
• Audi Q5 (8R) 3.0 TDI QUATTRO (239 HP) 2013-UP [CPNB]
• Audi Q5 (8R) 3.0 TDI QUATTRO (240 HP) 2008-UP [CCWA]
• Audi Q5 (8R) 3.0 TDI QUATTRO (245 HP) 2012-UP [CDUD]
• Audi Q5 (8R) 3.0 TDI QUATTRO SQ5 (313 HP) 2012-UP [CGQB]
• Audi Q5 (8R) 3.0 TFSI QUATTRO (272 HP) 2012-UP [CTUC, CTVA]
• Audi Q5 (8R) 3.0 TFSI QUATTRO SQ5 (353 HP) 2013-UP [CTUD, CTXA]
• Audi Q5 (8R) 3.2 FSI QUATTRO (270 HP) 2008-UP [CALB]

Interchange Part Numbers:

FB533/08-01, CAMB, CGKB, CAMA, CGKA, CDUC, CKUB, CLAB, CCWB, CAPA, CCLA, CCWA, CMUA, CAKA, CGWC, CGXC, CTUB, CALA, CKVC, CCBA, CAUA, CPNB, CDUD, CGQB, CTUC, CTVA, CTUD, CTXA, CALB

The Performance Promise

Buy with confidence. This BMC air filter is washable and reusable, designed to last the life of your Audi. Stop replacing paper filters and start feeding your engine the air density it deserves. Backed by real automotive experts and fast shipping.