Performance Air Filter For Volkswagen Fox with 1.2L/ 1.4L /TDI Engines

Unleash Volumetric Efficiency: BMC High-Flow Intake for VW Fox 1.2L & 1.4 TDI

Who It’s For: Engineered for Volkswagen Fox owners running the 1.2L 3-cylinder and 1.4L TDI powerplants (Chassis 5Z1/5Z3) who are tired of the stock sluggishness and restrictive factory filtration.

The Symptom: The factory intake system on the VW Fox is designed for maximum noise suppression and low manufacturing costs, not airflow. It utilizes a thick, pleated paper filter that creates significant pressure drops across the intake tract. For small-displacement engines like the 1.2L gasoline or the 3-cylinder 1.4 TDI, this restriction is felt as a "heavy" throttle and a lack of urgency when merging onto motorways. The engine essentially has to work harder just to breathe, wasting energy that should be going to the front wheels.

The Engineering Fix: This BMC Performance Filter replaces the disposable paper element with a multi-layered cotton gauze media soaked in low-viscosity oil. By smoothing out the airflow path and increasing the effective surface area, we significantly reduce turbulence. The BMC "Full Moulding" process creates a single-piece filter frame without welded joints, eliminating the risk of breakage or air bypassing the filter. With a filtration rating of 7 microns (compared to the OEM 10 microns), you are getting cleaner air and more of it, allowing for better oxygen density during the combustion cycle.

Why Mechanics Choose This Kit

• Optimized Airflow: Maximizes the limited output of the 1.2L and 1.4 TDI platforms by reducing pumping losses.
• Industrial-Grade Filtration: Captures impurities as small as 7 microns while maintaining higher CFM (Cubic Feet per Minute) than stock.
• Lifetime Construction: The epoxy-coated alloy mesh protects against fuel fumes and oxidation, while the washable cotton gauze means you never buy another filter.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• FOX (5Z1) 1.2 | 55 HP | Year: 05 > | Engine Code: 5Z1, 5Z3
• FOX (5Z1) 1.2 | 60 HP | Year: 10 > | Engine Code: 5Z1, 5Z3
• FOX (5Z1) 1.4 TDI | 70 HP | Year: 05 > | Engine Code: 5Z1, 5Z3

Interchange Part Numbers:

FB311/01, 5Z1, 5Z3, B00DZF7Z6S

The Performance Promise

Buy with confidence. This BMC air filter is pre-oiled and ready for immediate installation into your factory airbox. It is fully regenerable using a BMC cleaning kit, making it the last filter your Volkswagen will ever need. Backed by real automotive experts and fast shipping.