Performance Air Filter for BMW 1 Series (2011-2015)

High-Velocity Air Filtration for the BMW F20 & F21 Chassis

Who It’s For: Engineered for BMW 1 Series owners running the N13, N20, N47, and B47 powerplants who are tired of the stock sluggishness caused by restrictive factory paper elements.

The Symptom: The factory air intake on the BMW F20 and F21 is designed to prioritize cabin silence and long service intervals over pure engine efficiency. The stock paper filter is dense, leading to a significant pressure drop across the intake tract. This restriction forces your turbocharger to work harder to pull air through, resulting in increased intake temperatures and a noticeable lag in throttle response when you’re trying to power out of a corner or merge onto the highway.

The Engineering Fix: This BMC performance filter replaces that restrictive paper with a multi-layered cotton gauze system, soaked in low-viscosity oil and reinforced by an epoxy-coated alloy mesh. By utilizing a "Full Moulding" production system, the filter is created from a single mold with no welded joints, eliminating potential weak points. The result is a filtration surface capable of capturing impurities as small as 7 microns—significantly better than the 10-micron standard of OEM filters—while vastly increasing the air velocity into the combustion chamber.

Why Mechanics Choose This Kit

• Enhanced Volumetric Efficiency: By reducing the intake restriction, your engine can achieve a higher air-to-fuel density, which directly translates to improved torque delivery across the mid-range of the powerband.
• Superior Filtration Chemistry: The multi-layered cotton gauze isn’t just about flow; the low-viscosity oil coating creates a "tack" that traps micro-particulates without blocking the airflow path.
• Lifetime Durability: Unlike disposable paper filters that end up in a landfill, this unit is fully regenerable. It can be washed and re-oiled using a BMC service kit, maintaining its performance for the life of the vehicle.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• BMW 1 (F20, F21) 114 D (95 HP) 2012 >
• BMW 1 (F20, F21) 114 D (95 HP) 2015 >
• BMW 1 (F20, F21) 114 I (102 HP) 2012 >
• BMW 1 (F20, F21) 116 D (116 HP) 2011 >
• BMW 1 (F20, F21) 116 D (116 HP) 2015 >
• BMW 1 (F20, F21) 116 I (109 HP) 2015 >
• BMW 1 (F20, F21) 116 I (136 HP) 2011 >
• BMW 1 (F20, F21) 118 D (143 HP) 2011 >
• BMW 1 (F20, F21) 118 D (150 HP) 2015 >
• BMW 1 (F20, F21) 118 I (136 HP) 2015 >
• BMW 1 (F20, F21) 118 I (170 HP) 2011 >
• BMW 1 (F20, F21) 120 D (163 HP) 2011 >
• BMW 1 (F20, F21) 120 D (184 HP) 2011 >
• BMW 1 (F20, F21) 120 D (190 HP) 2015 >
• BMW 1 (F20, F21) 120 I (177 HP) 2015 >
• BMW 1 (F20, F21) 125 D (211 HP) 2012 >
• BMW 1 (F20, F21) 125 D (218 HP) 2012 >
• BMW 1 (F20, F21) 125 D (224 HP) 2015 >
• BMW 1 (F20, F21) 125 I (218 HP) 2012 >

Interchange Part Numbers:

FB702/20, FB70220

The Performance Promise

Buy with confidence. We understand the intricacies of the BMW intake system. This is a direct-fit component that requires no modification to your airbox. Backed by real automotive experts and fast shipping.