Performance Air Filter for BMW 1 Series/2 Series/3 Series/4 Series

High-Velocity Air Filtration for the BMW N55 Performance Platform

Who It’s For: Engineered for BMW owners running the N55 3.0L TwinPower Turbo and B38 Hybrid powerplants who are tired of the stock intake’s restrictive breathing habits. Whether you’re in an F30 335i or the F87 M2, your engine needs more oxygen density to perform at its peak.

The Symptom: The factory air filter in your BMW is a thick, corrugated paper element designed by accountants for service intervals, not for airflow. This paper creates a significant pressure drop across the intake tract, forcing your turbocharger to work harder to pull air through a dense wall of cellulose. On the N55 platform, this results in a slightly delayed boost threshold and a stifled top-end where the engine feels like it’s gasping for air during high-RPM pulls.

The Engineering Fix: This BMC performance filter replaces that restrictive paper with a multi-layered cotton gauze media soaked in low-viscosity oil. By utilizing an epoxy-coated alloy mesh and a "Full Moulding" production process, we eliminate the welded joints found in inferior filters that can fail under high-vacuum conditions. The result is a significant reduction in air resistance, allowing for a faster spool-up and a filtration efficiency that captures particles as small as 7 microns, ensuring your turbo compressor wheel stays pristine while breathing easier.

Why Mechanics Choose This Kit

• Optimized Fluid Dynamics: The cotton gauze construction allows for a much higher CFM (Cubic Feet per Minute) compared to OEM paper, directly improving throttle snap and mid-range torque.
• Structural Integrity: Unlike cheaper filters, BMC uses a single-mould system that prevents breakage and ensures a perfect, airtight seal against the factory airbox walls.
• Renewable Technology: This isn’t a disposable part. It is fully washable and regenerable using a BMC service kit, making it the last air filter your BMW will ever need.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 2012+ BMW 1 Series (F20, F21) M135i (320 HP)
• 2015+ BMW 1 Series (F20, F21) M135i (326 HP)
• 2014+ BMW 2 Series (F22, F23) M235i (326 HP)
• 2016+ BMW 2 Series (F87) M2 (370 HP)
• 2011+ BMW 3 Series (F30, F31) 335i (306 HP)
• 2012+ BMW 3 Series (F30) ActiveHybrid 3 (340 HP)
• 2013+ BMW 3 Series GT (F34) 335i Gran Turismo (306 HP)
• 2013+ BMW 4 Series (F32, F33, F36) 435i (306 HP)
• 2014+ BMW i8 (I12, I15) (362 HP)
• 2018+ BMW i8 (I12, I15) (374 HP)

Interchange Part Numbers:

FB740/20, FB74020, 13717602643

The Performance Promise

Buy with confidence. This BMC filter is a direct drop-in replacement that requires no ECU re-mapping to function, though it provides the necessary airflow overhead for Stage 1 and Stage 2 tunes. Backed by real automotive experts and fast shipping.