Performance Air Filter for Audi A4/A5/Q5 with 1.8L 2.0L TDI TSFI Engines

Unlock the EA888 & TDI Breathing Potential: BMC High-Flow Performance Filter

Who It’s For: Engineered for Audi A4, A5, and Q5 owners running the 1.8L and 2.0L TFSI (EA888) or TDI (EA189/EA288) powerplants who are tired of the stock sluggishness and restrictive factory filtration.

The Symptom: The factory intake system on the B8 and 8R chassis is designed primarily for noise suppression and long-term service intervals at the expense of peak volumetric efficiency. The standard thick paper filter creates a massive pressure drop across the intake tract, essentially choking the turbocharger’s ability to pull in fresh oxygen. This results in a delayed throttle response, known as "turbo lag," and a flat power curve in the upper RPM ranges where the engine is literally gasping for air through dense, restrictive fibers.

The Engineering Fix: This BMC Performance Filter utilizes a multi-layered cotton gauze soaked in low-viscosity oil to capture impurities while significantly increasing air velocity. By utilizing a "Full Moulding" system, the filter is produced from a single mould with no welded joints, ensuring structural integrity and a perfect seal against the airbox walls. The physics are simple: by reducing the filtration barrier from the OEM 10 microns down to a more efficient 7 microns and smoothing the airflow path, we increase air density in the combustion chamber, allowing your Audi to reach target boost pressures faster and with less thermal stress.

Why Mechanics Choose This Kit

• Optimized Fluid Dynamics: The epoxy-coated alloy mesh and cotton design straighten the airflow, reducing the turbulence often found in pleated paper filters.
• Superior Filtration: Unlike cheap aftermarket "dry" filters, the BMC oiled cotton captures particles as small as 7 microns without sacrificing the CFM (Cubic Feet per Minute) required for tuned engines.
• Race-Proven Durability: BMC is the official supplier for multiple Formula 1 teams; this "Full Moulding" process prevents the rubber from cracking or warping under the high-heat conditions of a turbocharged Audi engine bay.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• Audi A4 (8K, B8) 1.8 TFSI (120 HP) 2008+ [CABA, CDHA]
• Audi A4 (8K, B8) 1.8 TFSI (160 HP) 2007-2012 [CABB, CDHB]
• Audi A4 (8K, B8) 1.8 TFSI (170 HP) 2012+ [CJEB]
• Audi A4 (8K, B8) 2.0 TDI (120 HP) 2008+ [CAGC, CJCC]
• Audi A4 (8K, B8) 2.0 TDI (136 HP) 2009+ [CAGB, CJCB]
• Audi A4 (8K, B8) 2.0 TDI (143 HP) 2007+ [CAGA, CAGB, CJCA, CMFA]
• Audi A4 (8K, B8) 2.0 TDI (150 HP) 2013+ [CJCD, CMFB]
• Audi A4 (8K, B8) 2.0 TDI (163 HP) 2012+ [CGLD, CAHB]
• Audi A4 (8K, B8) 2.0 TDI (170 HP) 2008-2012 [CAHA]
• Audi A4 (8K, B8) 2.0 TDI (177 HP) 2012+ [CGLC]
• Audi A4 (8K, B8) 2.0 TFSI (180 HP) 2008+ [CAEA, CDNB, CFKA]
• Audi A4 (8K, B8) 2.0 TFSI (211 HP) 2008+ [CAEB, CDNC, CPMA]
• Audi A4 (8K, B8) 2.0 TFSI (220 HP) 2013+ [CAED, CPMB]
• Audi A4 (8K, B8) 2.0 TFSI (224 HP) 2013+ [CNCD]
• Audi A5 + CABRIOLET (8T, 8F) 1.8 TFSI (144 HP) 2011+ [CJED]
• Audi A5 + CABRIOLET (8T, 8F) 1.8 TFSI (160 HP) 2009+ [CDHB]
• Audi A5 + CABRIOLET (8T, 8F) 1.8 TFSI (170 HP) 2007+ [CABD, CJEB]
• Audi A5 + CABRIOLET (8T, 8F) 1.8 TFSI (177 HP) 2015+ [CJEE]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (136 HP) 2009+ [CAGB, CJCB]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (143 HP) 2009+ [CAGA, CJCA]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (150 HP) 2013+ [CJCD, CMFB]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (163 HP) 2008+ [CAHB, CGLD]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (170 HP) 2008+ [CAHA]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TDI (177 HP) 2011+ [CGLC]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TFSI (180 HP) 2008+ [CAEA, CAEB, CDNB]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TFSI (211 HP) 2008+ [CDNC, CAEB]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TFSI (220 HP) 2013+ [CAED, CPMB]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TFSI (225 HP) 2013+ [CNCD]
• Audi A5 + CABRIOLET (8T, 8F) 2.0 TFSI (230 HP) 2015+ [CNCE]
• Audi Q5 (8R) 2.0 TDI QUATTRO (136 HP) 2009+ [CAGB, CJCB]
• Audi Q5 (8R) 2.0 TDI QUATTRO (143 HP) 2009+ [CAGA, CJCA]
• Audi Q5 (8R) 2.0 TDI QUATTRO (150 HP) 2013+ [CJCD]
• Audi Q5 (8R) 2.0 TDI QUATTRO (163 HP) 2008+ [CAHB, CGLA, CGLD]
• Audi Q5 (8R) 2.0 TDI QUATTRO (170 HP) 2008+ [CAHA, CGLB, CMGA]
• Audi Q5 (8R) 2.0 TDI QUATTRO (177 HP) 2012+ [CGLC, CMGB]
• Audi Q5 (8R) 2.0 TFSI (230 HP) 2015+ [CNCE]
• Audi Q5 (8R) 2.0 TFSI HYBRID QUATTRO (211 HP) 2008+ [CDNC, CHJA]
• Audi Q5 (8R) 2.0 TFSI QUATTRO (180 HP) 2009+ [CDNA, CNCB]
• Audi Q5 (8R) 2.0 TFSI QUATTRO (220 HP) 2013+ [CPMB]
• Audi Q5 (8R) 2.0 TFSI QUATTRO (225 HP) 2012+ [CNCD]

Interchange Part Numbers:

FB545/20, CABA, CDHA, CABB, CDHB, CJEB, CAGC, CJCC, CAGB, CJCB, CAGA, CJCA, CMFA, CJCD, CMFB, CGLD, CAHB, CAHA, CGLC, CAEA, CDNB, CFKA, CAEB, CDNC, CPMA, CAED, CPMB, CNCD, CJED, CJEE, CNCE, CGLA, CGLB, CMGA, CMGB, CHJA, CDNA, CNCB

The Performance Promise

Buy with confidence. This is a washable, lifetime filter. Stop throwing away paper filters and give your Audi the airflow it was engineered to handle. Backed by real automotive experts and fast shipping.